fsbw20260401_def14a.htm

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934


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FS BANCORP, INC.
(Name of Registrant as Specified In Its Charter)


(Name of Person(s) Filing Proxy Statement, if other than the Registrant)


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April 6, 2026

Dear Shareholder:

You are cordially invited to attend the annual meeting of shareholders of FS Bancorp, Inc. to be held at the 1st Security Bank Administrative Office, located at 6920 220^th Street SW, Mountlake Terrace, Washington, on Thursday, May 21, 2026 at 2:00 p.m., Pacific Daylight Time.

The notice of annual meeting of shareholders and proxy statement appearing on the following pages describe the formal business to be transacted at the meeting. During the meeting, we will also report on our operations. Directors and officers of FS Bancorp, Inc., as well as a representative of Baker Tilly US, LLP, our independent registered public accounting firm, will be present to respond to appropriate questions of shareholders.

It is important that your shares are represented at the meeting, whether or not you attend in person and regardless of the number of shares you own. To make sure your shares are represented, we urge you to vote via the Internet or by telephone, or by requesting, completing and mailing a proxy card. If you attend the meeting, you may vote in person even if you have previously voted.

We look forward to seeing you at the meeting.

	Sincerely,

	/s/ Joseph C. Adams

	Joseph C. Adams
	Chief Executive Officer

FS BANCORP, INC.

6920 220TH STREET SW

MOUNTLAKE TERRACE, WASHINGTON 98043

(425) 771‑5299

NOTICE OF ANNUAL MEETING OF SHAREHOLDERS

TO BE HELD ON MAY 21, 2026

Notice is hereby given that the annual meeting of shareholders of FS Bancorp, Inc. will be held at the 1st Security Bank Administrative Office, located at 6920 220^th Street SW, Mountlake Terrace, Washington, on Thursday, May 21, 2026, at 2:00 p.m., Pacific Daylight Time, for the following purposes:

Proposal 1. Election of two directors to each serve for a three-year term.

Proposal 2. Advisory (non-binding) approval of the compensation of our named executive officers as disclosed in this proxy statement.

Proposal 3. Adoption of the FS Bancorp, Inc. 2026 Equity Incentive Plan.

Proposal 4. Ratification of the Audit Committee’s appointment of Baker Tilly US, LLP as our independent registered public accounting firm for 2026.

We will also consider and act upon such other business as may properly come before the meeting, or any adjournment or postponement thereof. As of the date of this notice, we are not aware of any other business to come before the annual meeting.

Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting of Shareholders to Be Held on May 21, 2026. Our proxy statement and 2025 Annual Report to Shareholders are available at http://investorrelations.fsbwa.com/CorporateProfile. Directions to attend the annual meeting, where you may vote in person, can be found at http://investorrelations.fsbwa.com/sec-filings/annual-reports. Please also refer to the instructions on the Important Notice Regarding the Availability of Proxy Materials you received in the mail if you would like to receive a paper or emailed copy of the proxy materials.

The Board of Directors has fixed the close of business on March 20, 2026 as the record date for the annual meeting. This means that shareholders of record at the close of business on that date are entitled to receive notice of and to vote at the meeting and any adjournment thereof. To ensure that your shares are represented at the meeting, please take the time to vote your proxy, which is solicited by the Board of Directors. You may vote via the Internet or by telephone, or by requesting, signing, dating and mailing a proxy card. The proxy will not be used if you attend and vote at the annual meeting in person. Regardless of the number of shares you own, your vote is very important. Please act today.

	BY ORDER OF THE BOARD OF DIRECTORS

	/s/ Matthew D. Mullet

	MATTHEW D. MULLET
	SECRETARY

Mountlake Terrace, Washington
April 6, 2026

IMPORTANT: The prompt return of proxies will save us the expense of further requests for proxies to ensure a quorum. You may vote via the Internet or by telephone. Alternatively, if you request a paper copy of the proxy materials, a pre-addressed envelope will be provided for your convenience. No postage is necessary if mailed in the United States.

PROXY STATEMENT

FS BANCORP, INC.

6920 220TH STREET SW

MOUNTLAKE TERRACE, WASHINGTON 98043

(425) 771‑5299

ANNUAL MEETING OF SHAREHOLDERS

MAY 21, 2026

The Board of Directors of FS Bancorp, Inc. is using this proxy statement to solicit proxies from our shareholders for use at our annual meeting of shareholders. We first provided access to this proxy statement and the form of proxy to our shareholders on or about April 6, 2026.

The information provided in this proxy statement relates to FS Bancorp, Inc. and its wholly-owned subsidiary, 1st Security Bank of Washington. FS Bancorp, Inc. may also be referred to as “FS Bancorp” and 1st Security Bank of Washington may also be referred to as “1st Security Bank” or the “Bank.” References to “we,” “us” and “our” refer to FS Bancorp and, as the context requires, 1st Security Bank.

INFORMATION ABOUT THE ANNUAL MEETING

Time and Place of the Annual Meeting

Our annual meeting will be held as follows:

Date:

Thursday, May 21, 2026

Time:

2:00 p.m., Pacific Daylight Time

Place:

1st Security Bank Administrative Office

6920 220^th Street SW, Mountlake Terrace, Washington 98043

Matters to Be Considered at the Annual Meeting

At the meeting, you will be asked to consider and vote upon the following proposals:

Proposal 1.

Election of two directors to each serve for a three-year term.

Proposal 2.

Advisory (non-binding) approval of the compensation of our named executive officers as disclosed in this proxy statement.

Proposal 3.

Adoption of the FS Bancorp, Inc. 2026 Equity Incentive Plan.

Proposal 4.

Ratification of the Audit Committee’s appointment of Baker Tilly US, LLP as our independent registered public accounting firm for 2026.

We also will transact any other business that may properly come before the annual meeting. As of the date of this proxy statement, we are not aware of any other business to be presented for consideration at the annual meeting other than the matters described in this proxy statement.

Important Notice Regarding the Availability of Proxy Materials

We provided access to our proxy materials beginning on April 6, 2026. On that day, we mailed the Important Notice Regarding the Availability of Proxy Materials to our shareholders. The Securities and Exchange Commission

(“SEC”) allows us to deliver proxy materials to shareholders over the Internet. We believe that this offers a convenient way for shareholders to review our information. It also reduces printing expenses and lessens the environmental impact of mailing paper copies of the annual meeting materials. If you would like a paper copy of the proxy materials, please follow the instructions in the Important Notice Regarding the Availability of Proxy Materials.

Who is Entitled to Vote?

We have fixed the close of business on March 20, 2026 as the record date for shareholders entitled to notice of and to vote at our annual meeting. Only holders of record of FS Bancorp’s common stock on that date are entitled to notice of and to vote at the annual meeting. You are entitled to one vote for each share of FS Bancorp common stock you own, unless you own more than 10% of FS Bancorp’s outstanding shares. As provided in our Articles of Incorporation, record holders of common stock who beneficially own in excess of 10% of FS Bancorp’s outstanding shares are not entitled to any vote in respect of the shares held in excess of the 10% limit unless our Board of Directors has granted permission in advance. On March 20, 2026, there were 7,501,542 shares of FS Bancorp common stock outstanding and entitled to vote at the annual meeting.

How Do I Vote at the Annual Meeting?

Proxies are solicited to provide all shareholders on the voting record date an opportunity to vote on matters scheduled for the annual meeting and described in these materials. This question provides voting instructions for shareholders of record. You are a shareholder of record if your shares of FS Bancorp common stock are held in your name. If you are a beneficial owner of FS Bancorp common stock held by a broker, bank or other nominee (i.e., in “street name”), please see the instructions below under “What if My Shares Are Held in Street Name?”

Shares of FS Bancorp common stock can only be voted if the shareholder is present in person or by proxy at the annual meeting. To ensure your representation at the annual meeting, we recommend you vote by proxy even if you plan to attend the annual meeting. You can always change your vote at the meeting if you are a shareholder of record.

Voting instructions are included on the Important Notice Regarding the Availability of Proxy Materials and the proxy card. Shares of FS Bancorp common stock represented by properly executed proxies will be voted by the individuals named on the form of proxy in accordance with the shareholder’s instructions. Where properly executed proxies are returned to us with no specific instruction as how to vote at the annual meeting, the persons named in the proxy will vote the shares FOR the election of each of our director nominees, FOR advisory approval of the compensation of our named executive officers as disclosed in this proxy statement, FOR adoption of the 2026 Equity Incentive Plan, and FOR ratification of the appointment of Baker Tilly US, LLP as our independent registered public accounting firm. If any other matters are properly presented at the annual meeting for action, the persons named in the proxy and acting thereunder will have the discretion to vote on these matters in accordance with their best judgment. We do not currently expect that any other matters will be properly presented for action at the annual meeting.

You may receive more than one proxy depending on how your shares are held. For example, you may hold some of your shares individually, some jointly with your spouse and some in trust for your children. In this case, you will receive three separate proxies to vote.

What if My Shares Are Held in Street Name?

If you are the beneficial owner of shares held in “street name” by a broker, bank or other nominee (“nominee”), the nominee, as the record holder of the shares, is required to vote the shares in accordance with your instructions. If your common stock is held in street name, you will receive instructions from the nominee that you must follow in order to have your shares voted. The nominee may allow you to deliver your voting instructions via telephone or the Internet. Please see the instruction form that accompanies this proxy statement. If you do not give instructions to the nominee, the nominee may nevertheless vote the shares with respect to discretionary items, but will not be permitted to vote your shares with respect to non-discretionary items, pursuant to current industry practice. In the case of non-discretionary items, shares not voted will be treated as “broker non-votes.” The proposals to elect directors and adopt the 2026 Equity

Incentive Plan and the advisory vote to approve executive compensation are considered non-discretionary items; therefore, you must provide instructions to the nominee in order to have your shares voted with respect to these proposals.

If your shares are held in street name, you will need proof of ownership to be admitted to the annual meeting. A recent brokerage statement or letter from the record holder of your shares are examples of proof of ownership. If you want to vote your shares of common stock held in street name in person at the annual meeting, you will have to get a written proxy in your name from the broker, bank or other nominee who holds your shares.

How Will My Shares of Common Stock Held in Employee Plans Plan Be Voted?

We maintain the FS Bancorp, Inc. Nonqualified 2022 Stock Purchase Plan (“ESPP”) and the 1st Security Bank of Washington 401(k) Plan (“401(k) Plan”). Employees of FS Bancorp and 1st Security Bank participate in these plans. Participants may instruct the plan administrator for the ESPP and the trustee of the 401(k) Plan, as applicable, how to vote the shares of FS Bancorp common stock held in the participant’s account by completing the vote authorization form. If the participant properly executes a vote authorization form, the plan administrator or trustee will vote the participant’s shares in accordance with the participant’s instructions. If an ESPP participant returns the vote authorization form without voting, the participant’s shares will not be voted. If a 401(k) Plan participant returns the vote authorization form without voting, the participant’s shares will be voted by the trustee in the same proportion as shares for which the trustee has received voting instructions. In order to give the plan administrator or trustee sufficient time to vote, all vote authorization must be received by the transfer agent on or before May 18, 2026.

How Many Shares Must Be Present to Hold the Meeting?

A quorum must be present at the meeting for any business to be conducted. The presence at the meeting, in person or by proxy, of at least a majority of the shares of FS Bancorp common stock entitled to vote at the annual meeting as of the record date will constitute a quorum. Proxies received but marked as abstentions or broker non-votes will be included in the calculation of the number of shares considered to be present at the meeting.

What if a Quorum Is Not Present at the Meeting?

If a quorum is not present at the scheduled time of the meeting, a majority of the shareholders present or represented by proxy may adjourn the meeting until a quorum is present. The time and place of the adjourned meeting will be announced at the time the adjournment is taken, and no other notice will be given unless the adjourned meeting is set to be held 120 days or more after the original meeting. An adjournment will have no effect on the business that may be conducted at the meeting.

Vote Required to Approve Proposal 1: Election of Directors

Directors are elected by a plurality of the votes cast, in person or by proxy, at the annual meeting by holders of FS Bancorp common stock. Accordingly, the two nominees for election as directors who receive the highest number of votes actually cast will be elected. Pursuant to our Articles of Incorporation, shareholders are not permitted to cumulate their votes for the election of directors. Votes may be cast for or withheld from each nominee. Votes that are withheld will have no effect on the outcome of the election because the nominees receiving the greatest number of votes will be elected. Our Board of Directors unanimously recommends that you vote FOR the election of each of its director nominees.

Vote Required to Approve Proposal 2: Advisory Approval of Executive Compensation

Advisory (non-binding) approval of the compensation of our named executive officers, as disclosed in this proxy statement, requires the affirmative vote of a majority of the votes cast, in person or by proxy, at the annual meeting. Abstentions and broker non-votes will have no effect on the outcome of the proposal. Our Board of Directors unanimously recommends that you vote FOR approval of the compensation of our named executive officers.

Vote Required to Approve Proposal 3: Adoption of the 2026 Equity Incentive Plan

Adoption of the FS Bancorp, Inc. 2026 Equity Incentive Plan requires the affirmative vote of a majority of the votes cast, in person or by proxy, at the annual meeting. Any shareholder represented in person or by proxy at the meeting and entitled to vote on the subject matter may elect to abstain from voting on this proposal. If so, the abstention will not be counted as a vote cast on the proposal and, therefore, will have no effect on the outcome of the vote on the proposal. Provided there is a quorum of shareholders present in person or by proxy, shareholders not attending the meeting, in person or by proxy, will also have no effect on the outcome of this proposal. Broker non-votes do not constitute votes cast and will have no effect on the outcome of the proposal. Our Board of Directors unanimously recommends that you vote FOR adoption of the 2026 Equity Incentive Plan.

Vote Required to Approve Proposal 4: Ratification of the Appointment of the Independent Registered Public Accounting Firm

Ratification of the appointment of Baker Tilly US, LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2026 requires the affirmative vote of a majority of the votes cast, in person or by proxy, at the annual meeting. Abstentions will have no effect on the outcome of the proposal. Our Board of Directors unanimously recommends that you vote FOR the ratification of the appointment of the independent registered public accounting firm.

May I Revoke My Proxy?

You may revoke your proxy before it is voted by:

●

submitting a new proxy with a later date;

●

notifying the Secretary of FS Bancorp in writing before the annual meeting that you have revoked your proxy; or

●

voting in person at the annual meeting.

If you plan to attend the annual meeting and wish to vote in person, we will give you a ballot at the annual meeting. However, if your shares are held in street name, you must bring a validly executed proxy from the nominee indicating that you have the right to vote your shares.

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

The following tables set forth, as of March 20, 2026, the voting record date, information regarding share ownership of:

●

those persons or entities (or groups of affiliated person or entities) known by management to beneficially own more than five percent of FS Bancorp’s common stock other than directors and executive officers;

●

each director and director nominee of FS Bancorp;

●

each executive officer of FS Bancorp or any of its subsidiaries named in the Summary Compensation Table appearing under “Executive Compensation” below (known as “named executive officers”); and

●

all current directors and executive officers of FS Bancorp and its subsidiaries as a group.

As of the voting record date, there were 7,501,542 shares of FS Bancorp common stock outstanding.

Persons and groups who beneficially own in excess of five percent of FS Bancorp’s common stock are required to file with the SEC, and provide us a copy of, reports disclosing their ownership pursuant to the Securities Exchange Act of 1934, as amended (“Securities Exchange Act”). To our knowledge, no other person or entity, other than the ones set forth below, beneficially owned more than five percent of the outstanding shares of FS Bancorp’s common stock as of the close of business on the voting record date.

Beneficial Owners of More Than 5%	Number of shares beneficially owned			Percent of shares outstanding (%)
T. Rowe Price Investment Management, Inc.		1,021,796	(1)		13.6
BlackRock, Inc.		469,908	(2)		6.3
Dimensional Fund Advisors LP		402,018	(3)		5.4
The Vanguard Group		399,876	(4)		5.3
De Lisle Partners LLP		385,451	(5)		5.1

(1)

Based solely on a Schedule 13G/A dated November 14, 2024, regarding shares owned as of September 30, 2024. According to the filing, T. Rowe Price Investment Management, Inc. has sole voting and dispositive power over the shares reported. The address of T. Rowe Price Investment Management, Inc. is 100 East Pratt Street, Baltimore, Maryland 21202.

(2)

Based solely on a Schedule 13G dated January 29, 2024, regarding shares owned as of December 31, 2023. According to the filing, BlackRock, Inc. has sole voting power over 462,683 shares and sole dispositive power over 469,908 shares. The address of BlackRock, Inc. is 50 Hudson Yards, New York, New York 10001.

(3)

Based on a Schedule 13G dated October 31, 2024, regarding shares owned as of September 30, 2024. According to the filing, Dimensional Fund Advisors LP has sole voting power over 392,970 shares and sole dispositive power over 402,018 shares. The address of Dimensional Fund Advisors LP is 6300 Bee Cave Road, Building One, Austin, Texas 78746.

(4)

Based on a Schedule 13G dated July 29, 2025, regarding shares owned as of June 30, 2025. According to the filing, The Vanguard Group has shared voting power over 2,770 shares, sole dispositive power over 394,190 shares and shared dispositive power over 5,686 shares. The address of The Vanguard Group is 100 Vanguard Boulevard, Malvern, Pennsylvania19355.

(5)	Based on a Schedule 13G dated February 11, 2026, regarding shares owned as of December 31, 2025. According to the filing, De Lisle Partners LLP has sole voting and dispositive power over the shares reported. The address of De Lisle Partners LLP is 3 Firs Lane, Poole, BH14 8JG, United Kingdom.

Beneficial ownership is determined in accordance with the rules and regulations of the SEC. In accordance with Rule 13d‑3 of the Securities Exchange Act, a person is deemed to be the beneficial owner of any shares of common stock if he or she has voting and/or investment power with respect to those shares. Therefore, the table below includes shares owned by spouses, other immediate family members in trust, shares held in retirement accounts or funds for the benefit of the named individuals and other forms of ownership, over which shares the persons named in the table may possess voting and/or investment power. In addition, in computing the number of shares beneficially owned by a person and the percentage ownership of that person, shares of common stock subject to outstanding options that are currently exercisable or exercisable within 60 days after the voting record date are included in the number of shares beneficially owned by the person and are deemed outstanding for the purpose of calculating the person’s percentage ownership. These shares, however, are not deemed outstanding for the purpose of computing the percentage ownership of any other person.

Name	Shares (1)			Stock options (2)		Total number of shares beneficially owned		Percent of shares outstanding (%)
Directors
Joseph C. Adams*		117,592			49,060		166,652	2.2
Pamela M. Andrews		16,599			9,000		25,599	**
Marina Cofer-Wildsmith		6,433			6,000		12,433	**
Terri L. Degner		6,642			1,750		8,392	**
Michael J. Mansfield		88,902			8,720		97,622	1.3
Ted A. Leech		79,446	(3)		14,560		94,006	1.3
Joseph P. Zavaglia		16,737			14,560		31,297	**
Named Executive Officers
Matthew D. Mullet		146,321	(4)		26,899		173,220	2.3
Phillip D. Whittington		5,813			2,320		8,133	**
Donn C. Costa		90,238			61,610		151,848	2.0
Shana C. Allen		15,489			4,000		19,489	**
All Executive Officers and Directors as a Group (17 persons)		708,436			296,638		1,005,074	12.9

*	Mr. Adams is also a named executive officer of FS Bancorp.

**	Less than one percent of shares outstanding.

(1)	Includes shares of restricted stock, as to which holders have voting power but not investment power.

(2)	Consists of stock options exercisable within 60 days of the voting record date.

(3)	Includes 78,485 shares held jointly with his spouse.

(4)	Includes 22,124 shares held jointly with his spouse and 5,600 shares held solely by his spouse.

PROPOSAL 1 – ELECTION OF DIRECTORS

Our Board of Directors stays actively engaged with management and currently consists of seven members. For purposes of continuity, and given its efficient size and collaborative involvement with management, the Board is divided into three classes with staggered terms. Approximately one-third of the directors are elected annually to serve for a three-year period or until their respective successors are elected and qualified. The table below sets forth information regarding each director of FS Bancorp and each nominee for director. The Governance, Nominating and Culture Committee of the Board of Directors selects nominees for election as directors, subject to Board approval. Terri L. Degner and Michael J. Mansfield currently serve as FS Bancorp directors and have been nominated to each serve a three-year term.

Each nominee has consented to being named in this proxy statement and has agreed to serve if elected. If a nominee is unable to stand for election, the Board of Directors may either reduce the number of directors to be elected or select a substitute nominee. If a substitute nominee is selected, the proxy holders will vote your shares for the substitute nominee, unless you have withheld authority. At this time, we are not aware of any reason why a nominee might be unable to serve if elected.

The Board of Directors recommends a vote FOR the election of Terri L. Degner and Michael J. Mansfield.

Name	Age as of December 31, 2025		Year first elected or appointed director			Term to expire
Board Nominees
Terri L. Degner		63		2024			2029	(2)
Michael J. Mansfield		69		2008	(1)		2029	(2)
Directors Continuing in Office
Joseph C. Adams		66		2005	(1)		2027
Pamela M. Andrews		67		2021			2027
Joseph P. Zavaglia		77		2011	(1)		2027
Ted A. Leech		78		2005	(1)		2028
Marina Cofer-Wildsmith		58		2012	(1)		2028


(1) Includes prior service on the Board of Directors of 1st Security Bank.
(2) Assuming election or reelection.

Information Regarding Nominees for Election

Set forth below is the present principal occupation and other business experience during at least the last five years of each nominee for election, as well as a brief discussion of the particular experience, qualifications, attributes and skills that led the Board to conclude that the nominee should serve as a director of FS Bancorp.

Terri L. Degner has over 45 years of banking experience. She was the Executive Vice President, Chief Financial Officer and Treasurer of Anchor Bank from 2004 until its acquisition by 1st Security Bank in 2018. After the acquisition, she served as a consultant to 1st Security Bank from 2018 to 2023, assisting with post-acquisition transition matters. Ms. Degner graduated cum laude from St. Martins College in 1998 with her Bachelor of Arts degree in Accounting. In 2000, she graduated with honors from Pacific Coast Banking School at the University of Washington. Ms. Degner was appointed as a member of the Board of Trustees of St. Martins University in 2025. She served on the Board of Directors and as Treasurer of NeighborWorks of Grays Harbor, Washington from 2006 to 2025. She was a director at large for The Financial Managers Society, which provides education, networking and resources to finance professionals in the financial industry, from 2019 to 2025. Ms. Degner has been a member of the St. Martins University Accounting Advisory Board since 2025. Additionally, she was a member of the Executive Committee, Providence St. Peter Foundation Christmas Forest from 2011 to 2018. Ms. Degner adds important skills to the Board, including leadership, management and asset liability management, as well as financial expertise.

Michael J. Mansfield spent 16 years with Deloitte LLP before joining Moss Adams LLP in 1995, where he was a partner for more than 10 years. During his time with Moss Adams, Mr. Mansfield chaired the Business Owner Succession Services Practice in the Seattle office and he served as a member of the firm’s Tax Committee. He provided taxation, business, and financial accounting services to a variety of clients in the financial services, construction, manufacturing and distribution, and service industries. In January 2008, Mr. Mansfield left Moss Adams to start Family Fortunes, LLC, a consulting company aimed at assisting individuals and business owners develop and execute strategic plans, with the goals of enhancing value proposition and creating a legacy vision for families and business owners. Mr. Mansfield is also a minority owner/part-time Chief Financial Officer for two construction companies (Pacific Pile & Marine, L.P. and R Miller, Inc.) and a minority owner in seven other privately-owned businesses, in addition to serving on the advisory board of four other private companies. In 2023 Mr. Mansfield was recognized as a “Director of the Year” by the Puget Sound Business Journal for his contribution on multiple boards. Mr. Mansfield’s decades of experience as a public accountant, together with his experience of being part of the management/advisory team of several small- to medium-sized businesses, has provided him with strong leadership, financial and administrative insights that are valuable to FS Bancorp.

Information Regarding Incumbent Directors

Set forth below is the present principal occupation and other business experience during at least the last five years of each director continuing in office, as well as a brief discussion of the particular experience, qualifications, attributes and skills that led the Board to conclude that the director should serve on FS Bancorp’s Board of Directors.

Joseph C. Adams is a director and has been the Chief Executive Officer of FS Bancorp since its formation in September 2011. He served as President and Chief Executive Officer of 1st Security Bank of Washington from July 2004 through August 2025, having joined the Bank in April 2003 as its Chief Financial Officer. Mr. Adams served as Supervisory Committee Chairperson from 1993 to 1999 when the Bank was Washington’s Credit Union. Mr. Adams is a lawyer, previously having worked for Deloitte as a tax consultant, K&L Gates as a lawyer and then at Univar USA as a lawyer and Director of Regulatory Affairs. As the Director of Regulatory Affairs for Univar USA, the largest chemical distribution company in the United States, Mr. Adams used his environmental law expertise to ensure Univar stayed in compliance with all relevant local, state and federal environmental laws, rules and regulations. He is a member of the Washington State Bar Association and was a Board member of the Community Bankers of Washington. Mr. Adams graduated with Distinction from the University of Hawaii with a Bachelor of Business Administration in Finance. He also graduated cum laude with a Juris Doctor from the University of Puget Sound School of Law. In addition, Mr. Adams graduated with honors from the Pacific Coast Banking School in 2007, a master’s level program held at the University of Washington. Mr. Adams’s legal and accounting backgrounds, as well as his lengthy service as Chief Executive Officer of 1st Security Bank of Washington, bring a special knowledge of the financial, economic and regulatory challenges faced by the Bank, which makes him well-suited to educating the Board on these matters.

Pamela M. Andrews was an active trial attorney in Seattle for over 35 years, practicing in the areas of professional liability, medical malpractice, nursing home/assisted living, mental healthcare and complex civil litigation. She is a member of both the Washington and Wisconsin Bar Associations. She also served as the President of her law firm, Andrews Skinner, P.S., for the last 16 years of her practice. Ms. Andrews was selected as a Fellow of the International Society of Barristers; a Senior Fellow of Litigation Counsel of America; a founding and continuous member of the Bar Register of Preeminent Women Lawyers for the last ten years of her practice and enjoyed a Martindale Hubbell AV rating for 30 years. Ms. Andrews graduated summa cum laude from the University of Wisconsin-Oshkosh and received her Juris Doctor from the University of Wisconsin-Madison. She has been active in community animal welfare groups and associations in the Puget Sound and Pacific Northwest region. Ms. Andrews adds important skills to the Board, including legal, litigation, insurance, human resources, small business experience and operations management.

Joseph P. Zavaglia has been the owner and operator since February 2008 of Zavaglia Consulting, L.L.C., which provides retail banking and small business advisory services to community banks. He also runs From the

Heart of Italy, an Italian cooking school. Mr. Zavaglia started his career in 1975 and over a period of 50 years has worked in numerous areas of banking, including commercial lending, retail and small business banking, human resources, investments, incentive compensation and executive administration with both large national institutions and community banks. Upon retiring from his last executive banking position, he served as a board member for nine years and was an employee of Pacific Coast Banking School. Mr. Zavaglia then worked with the Washington Bankers Association in co-creating four developmental programs which are now being offered throughout the United States. Mr. Zavaglia received his undergraduate degree in Business Management from Seattle University, and his Masters Degree in Education from Western Washington University. He is also a graduate of Pacific Coast Banking School and formerly held Series 6, 63 and 26 securities licenses and his state insurance license for life and disability. Giving back to the communities he serves has been his passion. Mr. Zavaglia served as Chair of the Board of Regents at Seattle University for three years and as a board member for nine additional years, State Board Chair of the March of Dimes for 15 years, Chair of the Italian Studies Board at the University of Washington and Chair of the Dean’s Advisory Board for Woodring College of Education at Western Washington University for four years. In 2007, he was inducted into the Athletic Hall of Fame at Seattle University. In 2012, he received the Distinguished Alumnus award from the Woodring College of Education, and in 2015, was awarded the University Service Award from Seattle University. Mr. Zavaglia brings strong leadership, management, human resource, and interpersonal skills to our Board.

Ted A. Leech, Board Chair of FS Bancorp and 1st Security Bank, is retired from Univar Corporation. From January 2003 to February 2005, Mr. Leech was Vice President of Business Development where he conducted feasibility studies and investigated potential investments in China, Hong Kong, Singapore, Australia, Malaysia, Indonesia and Brazil. Prior to that, Mr. Leech was Senior Vice President of Administration for Univar USA where he was responsible for accounting, payables/receivables, information systems, treasury, legal, human resources and internal audit. he currently serves as treasurer and board member of a food distribution non-profit. Additionally, Mr. Leech served in the U.S. Marine Corps and is a Vietnam veteran. As a result of his professional experiences, Mr. Leech brings strong leadership, management, finance, accounting and human resource skills to our board. Mr. Leech’s expertise also qualifies him as a financial expert, which was the basis of his selection as Chairperson of the Audit Committee.

Marina Cofer-Wildsmith has spent 30 years working in nonprofit management and business development. Her background includes serving as Executive Director of Bainbridge Youth Services from 2012 to 2017, business consulting from 2009 to 2012, and Chief Executive Officer of the American Lung Association of Washington and the Northwest from 2003 to 2007. Other American Lung Association positions held from 1990 to 2003 included program development, marketing and communications. Her key career achievements include leading the Washington Smoke Free Restaurants and Bars Initiative, developing with the U.S. Environmental Protection Agency the air quality forecasting model and advocating for other essential air pollution reduction and public health legislation. Ms. Cofer-Wildsmith is very active in the community. Currently, she serves as an Assistant District Governor for Rotary International District 5020 and is a past President of the Rotary Club of Bainbridge Island. Other board service has included Public-at-Large Director for the Puget Sound Clean Air Agency from 2005 to 2013. She has her Bachelor of Science degree in Biology from the College of William and Mary, Williamsburg, Virginia and her Master’s degree in Educational Processes from Maryville University, St. Louis, Missouri. Leadership recognition includes awards from the Chamber of Commerce, Rotary, Environmental Protection Agency, Conservation Federation and Governor Gregoire. As a result of her professional experiences and active community involvement, Ms. Cofer-Wildsmith brings strong leadership, management, organization and interpersonal skills to our organization.

Director Qualifications and Experience

The following table identifies the experience, qualifications, attributes, and skills that the Governance, Nominating and Culture Committee considered in making its decision to nominate directors to our Board. The fact that a particular attribute was not considered does not mean that the director lacks such an attribute.

	Adams	Andrews	Cofer-Wildsmith	Degner	Leech	Mansfield	Zavaglia
Experience, Qualification, Skill or Attribute
Professional standing in chosen field	✓	✓	✓	✓	✓	✓	✓
Expertise in financial services or related industry	✓			✓		✓	✓
Certified public accountant or financial expert	✓			✓	✓	✓	✓
Attorney	✓	✓
Civic and community involvement	✓	✓	✓	✓	✓	✓	✓
Leadership and team building skills	✓	✓	✓	✓	✓	✓	✓
Diversity by race, ethnicity or gender	✓	✓	✓	✓	✓
Specific skills/knowledge:
Finance	✓		✓	✓	✓	✓	✓
Technology
Securities	✓			✓			✓
Marketing	✓		✓		✓		✓
Public affairs	✓		✓
Human resources	✓	✓	✓	✓	✓		✓
Environmental, social and governance	✓		✓				✓

Board Independence

Our common stock is listed on the Nasdaq Global Select Market. In accordance with Nasdaq requirements, at least a majority of our directors must be independent directors. The Board has determined that six of our seven directors (85.7%) are independent, as defined by Nasdaq. Directors Andrews, Cofer-Wildsmith, Degner, Leech, Mansfield and Zavaglia are all independent. Only Joseph C. Adams, who is our Chief Executive Officer, is not independent.

Diversity

As part of its director nominee evaluation process, the Board considers diverse viewpoints, backgrounds and experiences, as well as gender, age, race and ethnicity, in the selection of directors to enhance the Board’s diversity. All Board members must also fit the culture of FS Bancorp and 1st Security Bank, including living up to our Core Values and embodying our “Smart, Driven, Kind” commitment.

MEETINGS AND COMMITTEES OF THE BOARD OF DIRECTORS

AND CORPORATE GOVERNANCE MATTER

Board of Directors

The Boards of Directors of FS Bancorp and 1st Security Bank conduct their business through board and committee meetings. During the year ended December 31, 2025, the Boards of Directors of FS Bancorp and 1st Security Bank each held eight meetings. No director of FS Bancorp or the Bank attended fewer than 85% of the total meetings of the boards and committees on which that person served during this period.

Committees and Committee Charters

The Board of Directors of FS Bancorp has standing Audit, Compensation, and Governance, Nominating and Culture Committees. The Board has adopted written charters for each of these committees, copies of which are available on our website at www.FSBWA.com under “Investor Relations.” The directors’ current memberships on the committees are reflected below. Joseph C. Adams, our Chief Executive Officer, is not a member of any of these committees as they are comprised solely of independent directors.

	Audit Committee	Compensation Committee	Governance, Nominating and Culture Committee
Pamela M. Andrews	✓		Chair
Marina Cofer-Wildsmith	✓	✓	✓
Terri L. Degner	✓
Ted A. Leech	Chair	✓
Michael J. Mansfield	✓	Chair
Joseph P. Zavaglia		✓	✓

Audit Committee. The Audit Committee meets at least quarterly and its primary responsibilities are to (1) meet with both the internal and external auditors on behalf of the Board of Directors to review and discuss their findings, and to make recommendations to the Board regarding the selection of the external auditors and (2) work closely with our compliance officer to monitor compliance with all applicable laws and regulations. The Audit Committee met eight times during the year ended December 31, 2025. Please refer to the section entitled, “Audit Committee Matters” for additional information.

Each member of the Audit Committee is independent in accordance with the requirements for companies listed on The Nasdaq Stock Market LLC (“Nasdaq”). In addition, the Board of Directors has determined that Mr. Leech, Mr. Mansfield and Ms. Degner meet the definition of audit committee financial expert, as defined by the SEC.

Compensation Committee. The Compensation Committee is responsible for the recommendation to the Board of Directors of the Chief Executive Officer’s annual compensation package, as well as Board compensation, Chief Executive Officer evaluation, the review and approval of executive incentive packages and perquisite programs, and overseeing and administering our qualified, tax-exempt benefit plans. Each member of the Committee is independent, in accordance with the requirements for companies listed on Nasdaq. This Committee met 10 times during the year ended December 31, 2025.

Governance, Nominating and Culture Committee. The Governance, Nominating and Culture Committee is responsible for (1) reviewing issues and developments related to corporate governance issues, (2) identifying individuals qualified to serve as directors, consistent with Board-approved criteria, (3) recommending to the Board nominees for election or appointment to the Board of Directors and (4) overseeing core value and culture consistency activities and practices for FS Bancorp. The Committee oversees Board education, Board composition

and constituent engagement. Each member of the Committee is “independent,” in accordance with the requirements for companies listed on Nasdaq. This Committee met seven times during the year ended December 31, 2025.

Only those nominations made by the Governance, Nominating and Culture Committee or properly presented by shareholders will be voted upon at the annual meeting. In its deliberations for selecting candidates for nomination as director, the Committee considers numerous criteria, including:

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the candidate’s knowledge of the banking business, their involvement in community, business and civic affairs, and their commitment to the Bank’s core values and culture;

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skill sets and varied perspectives that may not be represented in the existing Board;

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diversity in background, heritage and business experience; and

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whether the candidate would provide for adequate representation of 1st Security Bank’s market area.

Any nominee for director made by the Committee must be highly qualified regarding some or all these attributes.

In searching for qualified director candidates to fill vacancies on the Board, the Committee solicits its current Board of Directors for names of potentially qualified candidates. Additionally, the Committee may request that members of the Board of Directors pursue their own business contacts for the names of potentially qualified candidates. The Committee would then consider the potential pool of director candidates, select the candidate it believes best meets the then-current needs of the Board, and conduct a thorough investigation of the proposed candidate’s background to ensure there is no past history that would cause the candidate not to be qualified to serve as one of our directors. Although the Committee charter does not specifically provide for the consideration of shareholder nominees for directors, the Committee will consider director candidates recommended by a shareholder that are submitted in accordance with our Articles of Incorporation. Because our Articles of Incorporation provide a process for shareholder nominations, the Committee did not believe it was necessary to provide for shareholder nominations of directors in its charter. If a shareholder submits a proposed nominee, the Committee would consider the proposed nominee, along with any other proposed nominees recommended by members of our Board of Directors, in the same manner in which the Committee would evaluate its nominees for director. For a description of the proper procedure for shareholder nominations, see “Shareholder Proposals” in this proxy statement.

Corporate Governance

Governance Highlights. The Governance, Nominating and Culture Committee continually seeks to enhance its commitment to strong corporate governance. Its goal is to help ensure the right people, right culture, right issues, right informational process and the right follow through. Highlights of FS Bancorp’s corporate governance include the following:

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independent Board Chair;

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six of seven directors are independent;

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Board committees are comprised entirely of independent directors;

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independent directors meet in regular executive sessions throughout the year;

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regular Board and committee self-evaluations;

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policies restricting pledging and hedging;

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annual training on ethics, Board responsibilities and emerging issues;

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director and executive officer stock ownership policy;

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alignment of director and shareholder interests;

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use of clawback provisions in executive pay;

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necessary skills to oversee risks and opportunities;

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staggered terms to assure stability and provide board refresh when needed; and

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business ethics.

Our corporate governance policy addresses the duties and responsibilities of all directors, as well as the composition, responsibilities and operation of the Board and its committees. The policy also addresses succession planning, executive Board sessions, the Board’s interaction with management and third parties, and regular Board performance evaluations. These initiatives are intended to comply with the provisions contained in the Sarbanes-Oxley Act of 2002, the rules and regulations of the SEC adopted thereunder, and Nasdaq rules. We continually evaluate our corporate governance principles and at a minimum, annually review our policies to stay current with regulatory changes, community issues and cultural developments with the overall goal of improving both FS Bancorp’s and the Board’s overall performance.

Leadership Structure. FS Bancorp has separated the roles of Board Chair and Chief Executive Officer. The Board Chair, who is an independent director, leads the Board and presides at all Board meetings. The Board believes it is important to have an independent director in a Board leadership position and has had an independent Board Chair since FS Bancorp’s incorporation in 2011. Having an independent Board Chair enables non-management directors to raise issues and concerns for Board consideration without immediately involving management. The Board Chair also serves as a liaison between the Board and senior management.

Executive Sessions. Board meetings are held regularly throughout the year. At the conclusion of Audit Committee meetings and Board meetings, the independent directors hold executive sessions.

Shareholder Communication. We are committed to open and ongoing dialog with our shareholders and we regularly seek feedback on a variety of issues, including business strategy, governance, executive compensation and any other topics shareholders wish to discuss. To this end, each year we engage with our shareholders in a variety of ways to obtain their feedback. In 2025, this engagement process included five in-person investor conferences, quarterly earnings calls and communication between our investor relations team and members of our senior management team and shareholders, as well as additional detail in our proxy to provide more insight for shareholders. At the investor conferences, senior management had one-on-one meetings with investors and asked questions similar to the following:

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Do you have anything specific you want me to share with our Board of Directors?

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Do you have any preferences related to capital distributions?

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Do you have any additional information requests that you would like to see in our quarterly press releases?

The feedback remained consistent with prior years, with shareholders most commonly recommending stock repurchases and increasing the cash dividend and discussions on growth opportunities/acquisitions. Shareholders also asked questions related to credit quality metrics and trends in the banking industry. FS Bancorp’s financial performance has supported ongoing share repurchases and dividends paid to shareholders. Subject to market and financial conditions, our preference is to first manage capital to support organic and growth through acquisitions; however, in periods where our stock price is lower and excess capital allocated, share repurchases reflect a positive return to shareholders.

The Board of Directors welcomes communication from our shareholders. Shareholders may mail communications to the Board of Directors, FS Bancorp, Inc., 6920 220^th Street SW, Mountlake Terrace, Washington 98043 or may email Matthew Mullet, President and Chief Executive Officer of 1st Security Bank, at mattm@fsbwa.com. Shareholders should indicate clearly the director or director(s) to whom the communication is being sent so that each communication may be forwarded appropriately.

Board Involvement in Risk Management Process. As part of its overall responsibility to oversee the management, business, and strategy of FS Bancorp, one of the primary responsibilities of our Board of Directors is to oversee the amounts and types of risk taken by management in executing the corporate strategy, and to monitor our risk experience against the policies and procedures set to control those risks. The Board’s risk oversight function is carried out through its approval of various policies and procedures, such as our lending and investment policies, ratification or approval of investments and loans exceeding specified thresholds, and regular review of risk elements

such as interest rate risk exposure, liquidity, and problem assets. The Board also has direct access to all quarterly Manager Certifications. Some oversight functions are delegated to committees of the Board, with these committees regularly reporting to the full Board the results of their oversight activities. For example, the Audit Committee is responsible for oversight of the independent registered public accounting firm and meets directly with the firm at various times during the year. Additionally, the Audit Committee reviews and discusses the content of press releases; reviews and discusses the quarterly and annual 10-Qs and 10-Ks; and establishes procedures for the receipt, retention and treatment of complaints received regarding accounting, internal accounting controls or auditing matters. Our management systems are designed to create a culture of safety, as well as emergency preparedness, and are reviewed on a regular basis to ensure our readiness.

Board Oversight of Information Security and Cybersecurity. As a financial institution, information security presents a significant operational and reputational risk. Accordingly, we take the protection of customer and business information very seriously. Our information security program is managed by the Chief Information Officer (“CIO”), who oversees a dedicated team. The team is responsible for leading enterprise-wide information security strategy, policy, standards, architecture, and processes. The information/cyber security program is designed to protect the confidentiality, integrity, and availability of business and customer information. As part of this program, the CIO reports directly to the Audit Committee of the Board of Directors at least quarterly, and attends all Audit Committee meetings. Reports to the Audit Committee include information security and cybersecurity assessment results, business continuity, disaster recovery, incident response planning and testing, patch management program status, vendor management program status, and independent audit results. Reports also include updates on the status of projects to strengthen our information security systems and inform the Audit Committee of emerging cybersecurity threats. All information security-related policies are reviewed and approved annually by the Audit Committee. Our program is regularly evaluated by external cybersecurity experts, with evaluation results delivered directly to senior management and the Audit Committee.

We promote a culture of continuous learning that has resulted in a highly experienced information security team that holds advanced certifications and master’s degrees in cybersecurity. We encourage our team members to participate in local, regional and national associations to stay informed on all emerging issues. In addition to our own experienced information security team, we also partner with industry experts for managed security services such as threat intelligence gathering, firewall management, intrusion detection system monitoring, intrusion prevention services, and security information and event management monitoring to ensure protection around the clock. Highlights of the information and cybersecurity program include the following:

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strong third-party vendor oversight;

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advanced cybersecurity education for employees;

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deployment of defense-in-depth strategy with multiple layers of controls to provide information protection;

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engagement of third-party audit firms to conduct independent security assessments that include vulnerability assessments and penetration tests;

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conduct new and ongoing security awareness training (as well as intermittent testing) for all teammates across the organization; and

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follow all Federal Deposit Insurance Corporation, SEC, Nasdaq and State requirements for handling information security incidents.

Succession Planning. The Board believes that one of its primary responsibilities is to oversee the development and retention of senior talent and to ensure that an appropriate succession plan is in place not only for our Chief Executive Officer, but also for other members of senior management. The Board, Compensation Committee, Governance, Nominating and Culture Committee and the Chief Executive Officer regularly review senior management talent, receive reports on management development efforts and trainings and have access to all internal succession plans. The Board also welcomes consideration of candidates who represent the communities we serve. We have an ongoing relationship with independent consultants to assist us in ensuring we have a robust, workable plan for succession.

Code of Business Conduct and Ethics and Whistleblower Policy. The Board of Directors has adopted the Code of Business Conduct and Ethics, which is designed to deter wrongdoing and to promote honest and ethical conduct in every respect. The Code addresses conflicts of interest, the treatment of confidential information, general employee conduct and compliance with applicable laws, rules and regulations. The Code is applicable to each of our directors, officers, including the principal executive officer and senior financial officers, and employees and requires individuals to maintain the highest standards of professional conduct. A copy of the Code is available on our website at www.FSBWA.com. We provide annual training for all Board members and Bank staff on the Code of Business Conduct and Ethics, and monitor compliance with the Code on a regular basis. We comply with the Code in all of our business dealings, and immediately address any issues. We also expect our third-party vendors to comply with the Code of Business Conduct and Ethics as well.

We have a Whistleblower Policy that protects individuals who confidentially and anonymously bring to the attention of the Board Audit Committee any concerns related to matters covered by the Bank’s Code of Conduct and Ethics, violations of any provision of federal securities law and/or laws relating to fraud against shareholders, and any legal issues or accounting or audit matters. The Whistleblower Policy is available to all employees on 1st Security Bank’s intranet. We also use EthicsPoint, a third-party website and hotline complaint service, and provide information as to the availability of that service. The EthicsPoint service is available on our website at www.FSBWA.com. It allows any person, including employees and clients, to report potential violations of our Code of Business Conduct and Ethics, as well as to ask for guidance on policies and procedures. Reports can be submitted anonymously. Every EthicsPoint report is automatically routed to the Bank’s Senior Vice President, Chief Compliance Officer and/or the Chief Risk Officer. Both positions report directly to the Audit Committee of the Board of Directors. Within 30 days of receipt of any reported information, the designated individual(s) will complete a preliminary investigation or pass the issue onto a member of the executive team. Upon completion of the preliminary investigation, the designated individual(s) will forward the issue to the Board Audit Committee for their review.

Policies Governing Trading in FS Bancorp Securities. The Board of Directors has adopted an insider trading policy and procedures governing trading in the securities of FS Bancorp by its directors, officers and employees. The policy and procedures are reasonably designed to promote compliance with insider trading laws, rules and regulations and applicable listing standards. Our Anti-Hedging and Anti-Pledging Policy and Insider Trading Policy prohibit hedging, derivatives, or any other speculative transactions involving FS Bancorp’s stock by all directors, officers, and employees. In addition, we prohibit our officers, directors, and employees from purchasing or selling our securities while in possession of material, non-public information, or otherwise using such information for their personal benefit and maintain a quarterly black-out window where applicable individuals may not trade, other than in connection with a Rule 10b5‑1 plan adopted in compliance with the policy. These individuals are also restricted from pledging FS Bancorp common stock to secure a loan or holding FS Bancorp’s securities in a margin account, except in exceptional circumstances and as approved in advance by a majority of the disinterested Board of Directors. As of the date of this proxy statement, no exceptions are noted. In addition to the policy and procedures, FS Bancorp also seeks to comply with all applicable securities laws when transacting in its own securities. The foregoing summary does not purport to be complete and is qualified in its entirety by our insider trading policy, a copy of which is available as Exhibit 19 to FS Bancorp’s Annual Report on Form 10-K for the year ended December 31, 2025.

Annual Meeting Attendance by Directors. All directors are shareholders of FS Bancorp. In 2025, Director Zavaglia attended the annual meeting of shareholders.

Corporate Responsibility

Workplace Culture. Our Vision Statement captures our culture: “To Build a Truly Great Place to Work and Bank.” The order of the words “work” and “bank” are intentional. We believe if you build a great place to work, it will by its nature become a great place to bank. Our Mission Statement is to “Live Our Core Values and ‘WOW’ Each Other and Our Customers Every Day.” There is extensive public company data available that shows companies with intentionally great work environments outperform companies with average corporate cultures. Our

commitment to building a great workplace culture began in 2009. Not surprisingly, our financial performance has improved dramatically since we made that culture-focused commitment. The recognition, locally as well as nationally, that we have received over the years validate our decision to have a “people centric” culture that strives to hire and promote “Smart, Driven, Kind” teammates. Additionally, our workforce encourages and supports all forms of diversity including race, age, ethnicity, and gender. We are proud to have a truly great place to work and bank and are honored to receive peer recognition for our work including:

National Awards

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American Banker’s Best Banks to Work For (2017‑21, 2023-25)

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BankDirector 2025 The Best U.S. Banks: Less Than $5 Billion; ranked #22 (2024-25)

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Top 50 Best-Performing US Community Banks of 2024 with $3B-$10B in assets

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BankDirector 2022 Best Community Bank in the U.S.

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BankDirector 2022 Best Leadership team in the U.S.

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5‑star bank rating by BauerFinancial

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listed by Hovde Group as one of the High Performing Small Cap Bank

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investment grade rated by Kroll at BBB for senior debt and BBB- for subordinated debt

State Awards

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2025 Puget Sound Business Journal’s Best Workplaces – 9^th consecutive year; ranked #19 in Large category (over 250 employees)

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Puget Sound Business Journal’s Top Corporate Philanthropists, medium companies (2019‑25)

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Poulsbo Bank Branch Best Bank 2025 (Best of Business Rate);

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Poulsbo Bank Branch Chamber of Commerce Business of the Year (Large Business) 2022

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Port Townsend Bank Branch Best of 2025, Port Townsend Leader’s Readers’ Choice Awards #1 for Best Bank, Best Banker, and Best Mortgage in Jefferson County.

Our Core Values. We hold ourselves accountable to our Core Values:

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Relationship Driven – we strive to “WOW” (surprise, excite and delight) each other and our customers

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Ethical – fair, honest, act with integrity

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Lead by Example – maintain a positive attitude, show respect for others, have some fun

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Accountable – we take our responsibilities seriously and we meet our commitments with urgency

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Team Player – dependable, enthusiastic contributor to team success and to greater good of the Bank

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Embrace Dreams – we encourage each other to reach for our dreams

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Community Oriented – we actively support our communities and the Bank’s Community Reinvestment Act initiatives

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Open and Honest Communication – always professional, responsive and timely

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Diversity – we celebrate diversity and support equality for all

We conduct our business with respect for all people and the communities we serve. We are committed to our Core Values, which promote fair treatment for all people. We respect and support human rights and are committed to avoiding complicity in any human rights abuse. Accordingly, we consider potential social and environmental impacts when making business decisions and when managing our resources and infrastructure. Copies of our Core Values, Business Philosophy, Vision and Mission Statements are available on our website at www.FSBWA.com.

We are proactive in meeting the needs of our employees as well as those of the communities we serve. Our commitment to being a responsible and civic-minded community bank is demonstrated in our actions. The Board has a Governance, Nominating and Culture Committee that meets regularly and partners with the Bank to promote sustainability opportunities on all levels, including environmentally and socially.

We are committed to ongoing education to support compliance to achieve meaningful quantifiable environmental, social, and governance goals including:

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providing 9,500 hours of community volunteer service;

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providing a minimum “Livable Wage with benefits” of $20/hour for all employees;

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providing all employees 16 hours of paid volunteer time;

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providing financial and volunteer support for men at the Stafford Creek Corrections Center that are currently enrolled in the Business Administration program at Grays Harbor College, which assists soon to be released inmates prepare for life after incarceration;

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holding regularly scheduled all-staff calls dedicated to keeping our teammates informed on all significant issues related to the Bank;

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providing financial support of Community Reinvestment Act activities; and

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providing the Board of Directors with monthly education about industry developments, emerging topics and areas of concern, including environmental issues, social issues, emerging industry trends and Board-identified topics for deeper immersion.

We listen to our employees and survey their overall well-being, including work-place satisfaction and work-life balance. Our efforts to enhance employee satisfaction include:

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absorbing the significant increases in healthcare coverage since 2014 without passing on these annual increases caused by rising healthcare costs;

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implementing a stock purchase plan for our employees, directors, and consultants (206 participants);

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automatically enrolling employees into the 401k plan (99.8% participation rate);

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providing an education grant program of up to $5,000 per year so employees may pursue their educational dreams;

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maintaining an Employee Satisfaction Task Force that allows employee concerns to be heard and addressed by management;

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providing wellness and fitness challenge programs;

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providing assistance to employees who are facing hardships; and

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continuously evaluating the benefits offered to our employees, including mental health care, mindfulness and meditation programs, to ensure the benefits meet employees’ needs.

We appreciate the communities we serve and are committed to conducting business in a manner that is as environmentally responsible as practicable. We share in the responsibility of minimizing environmental impacts that we create, which includes better understanding and management of our environmental impacts and risks and ultimately decreasing our enterprise-wide carbon emission footprint. Our efforts in this regard include:

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complying with all environmental laws and regulations;

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electing to provide this proxy statement and the annual report electronically to reduce material waste and improve our environmental impact;

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encouraging minimizing the consumption of energy, water, paper and other resources in our day-to-day operations in order to reduce greenhouse gas emissions, increase energy efficiency, reduce waste, and efficiently use natural resources;

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facilitating workplace recycling;

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providing paperless Board materials by posting to a secure portal;

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committing to a hybrid work environment, resulting in reduced fuel consumption;

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reducing vehicle mile travels and emissions to reduce our carbon footprint;

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holding virtual Board meetings since 2020, reducing fuel consumption and emissions;

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working with Indirect dealers who are overwhelmingly in industries that improve the environment such as solar, multiple pane windows, siding or roofing;

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reviewing all potential loans with possible environmental challenges by a former Environmental Protection Agency biologist to ensure loans will not trigger environmental liability for 1st Security Bank and to ensure our prospective customers are not buying something hazardous to their health (ground water, soil or vapor-related health concerns);

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working with our various public utility districts on energy efficiency initiatives;

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obtaining a Green certification for our Montesano branch;

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housing our critical technology infrastructure at the Sabey Datacenter, which has multiple sustainability initiatives, including:

o LEED Gold Certification

o Energy Star Certification

o Green Lease Leaders

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replacing our HVAC units with units that contain environmentally safe refrigerant and have 20% increased energy efficiency;

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replacing fluorescent bulbs with LEDs, which use 75% less energy and last nine years longer than fluorescent bulbs, decreasing landfill waste;

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installing light and movement sensors in several locations to conserve energy when the space is unoccupied;

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participating in available recycling efforts;

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adding filtered water coolers to all of our locations, reducing the use of disposal of plastic water bottles;

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hiring more facility personnel to reduce fuel costs and emissions due to travel;

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sponsoring Shred-IT events for many of the communities we serve;

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going paperless where possible and training staff to help customers go paperless;

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encouraging customers to make paperless deposits via mobile deposit;

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purchasing recycled paper;

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educating employees on environmental issues and the environmental effects of their activities; and

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encouraging employees to participate and be invested in the Bank’s efforts (i.e. bike riding, working from home).

Our power provider purchases 80% of its power from the federal Bonneville Power Administration, the majority of which is generated by renewable hydroelectric projects. As we continue to improve our understanding of our enterprise-wide environmental impact, we will coordinate with partners and vendors to continue to improve our energy use, and waste and water management.

Transactions with Related Persons

1st Security Bank has followed a policy of granting loans to officers and directors, which fully complies with all applicable federal regulations. Loans to directors and executive officers are made in the ordinary course of business and on the same terms and conditions as those of comparable transactions with all customers prevailing at the time, other than those made under the Bank’s employee loan program, which is described below. Loans to directors and officers are made in accordance with our underwriting guidelines, and do not involve more than the normal risk of collectability or present other unfavorable features. These loans are reviewed by the Chief Credit Administration Officer and Chief Credit Operations Officer and are acted on by 1st Security Bank’s Board of Directors.

The employee loan program applies to a mortgage loan to purchase or refinance a home. Standard loan terms and underwriting qualifications apply, as do the following benefits: (1) a credit of 1% of the base loan amount will be given to offset our standard loan origination fee; (2) an owner-occupied transaction will also be given an additional credit of $1,395 to offset the processing fee; and (3) the wire transfer fee will be waived. The table below

provides information regarding our directors and executive officers who had indebtedness and principal payable thereon pursuant to the employee loan program that exceeded $120,000 during the year ended December 31, 2025.

Name	Type of loan	Amount involved in the transaction ($)(1)		Amount outstanding at end of period ($)		Principal paid during the period ($)		Interest paid during the period ($)		Interest rate (%)(2)
Donn C. Costa	First mortgage		144,617		120,214		24,403		9,150		6.25
Robert Nesbitt	First mortgage		245,826		236,862		8,964		17,696		7.00
Matthew D. Mullet	First mortgage		532,000		528,878		3,422		21,557		6.50
Matthew D. Mullet	First mortgage		420,000		416,333		3,667		24,048		6.875

(1)	Consists of the largest amount of principal outstanding during the year.

(2)	Prevailing rate at time loan was made was 3.25%, with a .25% reduction for automatic payment.

We recognize that transactions between us and any of our directors or executive officers can present potential or actual conflicts of interest and create the appearance that the decisions to participate in any such transactions may be based on considerations other than our best interests. Therefore, as a general matter and in accordance with our Code of Business Conduct and Ethics, it is our preference to avoid such transactions. Nevertheless, we recognize that there are situations where such transactions may be in, or may not be inconsistent with, our best interests. Accordingly, the Code requires the Board of Directors or a committee of the Board to review and, if appropriate, to approve or ratify any such transaction. If a Board member is a participant in the transaction, then that member is required to abstain from the discussion, approval or ratification process. After its review, the Board or appropriate committee will only approve or ratify those transactions that are in, or are not inconsistent with, our best interests, as determined in good faith.

DIRECTORS’ COMPENSATION

The following table shows the compensation paid to our directors for the year ended December 31, 2025, with the exception of Joseph C. Adams, who is our Chief Executive Officer and whose compensation is included in the section entitled “Executive Compensation.”

Name	Fees earned or paid in cash ($)		Stock awards ($)(1)(2)		Option awards ($)(1)(3)		All other compensation ($)(4)		Total ($)
Pamela M. Andrews		130,020		30,105		19,620		11,611		191,356
Marina Cofer-Wildsmith		87,600		30,105		19,620		8,351		145,677
Terri L. Degner		99,300		30,105		19,620		2,664		151,690
Ted A. Leech		92,500		30,105		19,620		13,698		155,923
Michael J. Mansfield		77,100		30,105		19,620		9,062		135,888
Joseph P. Zavaglia		90,300		30,105		19,620		4,593		144,618

(1)

Represents the aggregate grant date fair value of awards, computed in accordance with Financial Accounting Standards Board Accounting Standards Codification Topic 718, “Compensation – Stock Compensation” (“FASB ASC Topic 718”). For a discussion of valuation assumptions, see Note 18 of the Notes to Consolidated Financial Statements in FS Bancorp’s Annual Report on Form 10‑K for the year ended December 31, 2025.

(2)

Consists of an award of 750 shares of restricted stock on August 15, 2025, which vests on August 15, 2026. The directors had the following number of shares of restricted stock outstanding on December 31, 2025: Ms. Andrews,750; Ms. Cofer-Wildsmith, 750; Ms. Degner, 1,625; Mr. Leech, 750; Mr. Mansfield, 750; and Mr. Zavaglia, 750.

(3)

Consists of an award of options to purchase 1,500 shares made on August 15, 2025, which vests on August 15, 2026. The directors had the following number of stock options outstanding on December 31, 2025: Ms. Andrews, 10,500; Ms. Cofer-Wildsmith, 7,500; Ms. Degner, 5,000; Mr. Leech, 16,060; Mr. Mansfield, 10,220; and Mr. Zavaglia, 16,060.

(4)	Consists of tax equivalent value of life insurance premiums, dividends on restricted stock, and the match from the 2022 Non-qualified Stock Purchase Plan.

Each director of FS Bancorp is also a director of 1st Security Bank. The directors received no additional compensation for attendance at any meeting of FS Bancorp’s Board of Directors during the year ended December 31, 2025. The directors are compensated for their service on 1st Security Bank’s Board of Directors. In 2025, non-employee directors of 1st Security Bank received a retainer of $4,166.67 per month, except for the Board Chair, who received $5,350 per month, for service on the Board. Directors also receive the following additional fees: for the committee chairs, an annual retainer of $4,300; Board meeting attendance fees of $900 for each meeting attended; and a committee meeting attendance fee of $600. 1st Security Bank’s Compensation Committee recommends to the Board of Directors the amount of fees paid for service on the Board. Directors are provided or reimbursed for travel and lodging and other customary out-of-pocket expenses incurred in attending Board and committee meetings, industry conferences and continuing education seminars.

Stock Ownership Requirements. Stock ownership guidelines are a key vehicle for aligning the interests of officers and directors with those of our shareholders. Non-employee directors are required to maintain share ownership in FS Bancorp equal to at least two times their annual cash retainer, excluding committee fees. Directors who are also employees are governed by the guidelines applicable to officers, which are discussed below. Once the minimum ownership requirement is met, directors must maintain the required ownership amounts and compliance will be calculated annually. Each director is required to retain 50% of net after tax shares acquired upon the exercise of stock options or vesting of restricted stock until the stock ownership requirement is met. Exceptions may apply for donations of stock and for sales or divisions of property in the case of divorce, disability or death, or other limited circumstances.

Directors have three years from their appointment to the Board of Directors to comply with the applicable stock ownership requirement. All six non-employee directors have fulfilled the stock ownership requirement.

COMPENSATION DISCUSSION AND ANALYSIS

This compensation discussion and analysis explains 1st Security Bank’s executive compensation program for the named executive officers listed below. It also describes the Compensation Committee’s process for making pay decisions, as well as its rationale for specific decisions related to the fiscal year ended December 31, 2025.

Name	Title
Joseph C. Adams	Chief Executive Officer
Matthew D. Mullet	President
Phillip D. Whittington	Chief Financial Officer
Donn C. Costa	Executive Vice President, Chief Home Lending Officer
Shana C. Allen	Executive Vice President, Chief Information Officer

Compensation Philosophy and Objectives

Our senior executives are integral to executing our strategic plan, driving performance that rewards all of our stakeholders, fostering our culture and achieving other 1st Security Bank objectives. Our executive compensation program is designed to support these objectives and is built on the following principles:

●

Competitive with our peers. Target compensation should be competitive with that being offered to individuals in comparable roles at other companies with which we compete for talent to ensure that we employ the best people to lead our success.

●

Performance-based on collective results. The amount of executive pay must make sense in the context of overall Bank financial performance as compared to goals set by the Board, industry averages and relevant peer groups.

●

Individual performance and contribution to the Bank. Our program must provide sufficient flexibility to allow for the recognition of individual differences in performance.

●

Alignment with shareholder interests. Executives should be compensated through pay elements (base salaries and short- and long-term equity incentives) designed to enhance shareholder value by making the Bank, which is our primary operating subsidiary, a driving force towards providing shareholders with a suitable rate of return on their investment.

●

Proper balance of risk to reward. Decisions about compensation should be guided by best-practice governance standards and rigorous processes that encourage prudent decision-making.

●

Commitment to culture. Our program must recognize the importance of building culture and teamwork as a significant long-term goal of the Bank.

Elements of Pay: Total Direct Compensation

Our compensation philosophy is supported by the following principal elements of pay:

Pay element	How it is paid	Purpose
Base salary	Cash (fixed)	Provide a competitive base salary rate relative to similar positions in the market and enable the Bank to attract and retain critical executive talent.
Annual incentives	Cash (variable)	Reward executives for delivering on annual strategic objectives that drive our business strategy and contribute to the creation of shareholder value.
Long-term incentives	Equity (variable)	Provide incentives for executives to execute on longer-term goals that drive the creation of shareholder value and support the Bank’s retention strategy.

Say-on-Pay, Shareholder Engagement and Board Responsiveness

Each year, we carefully consider the results of our shareholder say-on-pay vote from the preceding year. Nearly 93% of the votes cast on the say-on-pay vote at the 2025 annual meeting of shareholders supported our executive compensation decisions. We also consider the feedback we receive from our shareholders during regular investor meetings, at which we encourage an open dialogue and actively probe for questions, concerns and perspectives on our strategy and performance, governance, executive compensation and other important business matters. The shareholders with whom we have had discussions on compensation have been supportive of our plan, which has a high correlation between performance and pay. We remain committed to keeping an open dialogue with our shareholders to help ensure that we have a regular pulse on investor perspectives and, as we continue to grow, we will continue to enhance our outreach efforts related to shareholder questions.

Best Compensation Practices and Policies

We believe the following practices and policies promote sound compensation governance, and are in the best interests of our shareholders and executives:

What We Do		What We Do Not Do
✔	Pay for performance	✘	No tax gross-ups
✔	Engage independent compensation consultant	✘	No significant perquisites for executives
✔	Review compensation programs for risk	✘	No supplemental executive retirement plan
✔	Annual say-on-pay vote	✘	No repricing of stock options
✔	Maintain stock ownership guidelines for executives and non-employee directors	✘	No equity grants below 100% of fair market value without shareholder approval
✔	Double trigger required for accelerated vesting of equity awards under the 2018 Equity Incentive Plan and the proposed 2026 Equity Incentive Plan	✘	No dividends paid on unvested restricted stock
✔	Restrict executive officers and directors from engaging in hedging and pledging transactions with respect to FS Bancorp stock
✔	Annual shareholder communication

The Decision-Making Process

The Role of the Compensation Committee. The Compensation Committee, which is comprised of independent directors, oversees the executive compensation program for our named executive officers. The Committee works very closely with an independent compensation consultant and management to examine the effectiveness of our executive compensation program throughout the year. The Committee makes all final

compensation and equity award decisions regarding our named executive officers, except for the Chief Executive Officer, whose compensation is determined by the independent members of the Board of Directors, based upon recommendations of the Compensation Committee. The Chief Executive Officer is not present during voting or deliberations on his compensation.

The Role of Management. Members of our management team attend regular meetings where executive compensation, corporate and individual performance, and competitive compensation levels and practices are discussed and evaluated. Only the Compensation Committee members are allowed to vote on decisions regarding named executive officer compensation. The recommendations of the Compensation Committee are reviewed with the full Board before finalization. The Chief Executive Officer reviews his recommendations pertaining to all executives’ pay with the Compensation Committee, which provides transparency and oversight. Decisions on non-named executive officer pay are made by the Chief Executive Officer.

The Role of the Independent Consultant. The Compensation Committee engages an independent compensation consultant to provide expertise on competitive pay practices, program design, and an objective assessment of any inherent risks of any programs. Pursuant to authority granted to it under its charter, the Compensation Committee has hired Pearl Meyer & Partners, LLC (“Pearl Meyer”) as its independent consultant. Pearl Meyer is retained by, and reports directly to, the Compensation Committee, and provided no other services to FS Bancorp in 2025. Based on standards promulgated by the SEC and Nasdaq to assess compensation advisor independence, as well as the analysis conducted by Pearl Meyer in its independence review, the Compensation Committee has concluded that Pearl Meyer is an independent and conflict-free advisor to the Committee.

The Role of Peer Group Companies. The Compensation Committee strives to establish a competitive level of total compensation for each named executive officer as compared with executive officers in similar positions at peer companies. To support its decisions, the Compensation Committee periodically reviews compensation data from public filings of a selected peer group, consisting of financial institutions with total assets ranging from 0.75 to 2.5 times those of FS Bancorp. Additionally, the Compensation Committee considers industry compensation surveys reflecting financial institutions of similar size and banking business operations. The Compensation Committee determined that the peer group established for purposes of setting pay for 2024 remained appropriate for purposes of setting pay for 2025.

Alerus Financial Corporation	Home Bancorp, Inc.
Bank of Marin Bancorp	HomeTrust Bancshares, Inc.
BayCom Corp	Independent Bank Corporation
Camden National Corporation	Mercantile Bank Corporation
CapStar Financial Holdings, Inc.*	Meridian Corporation
Coastal Financial Corporation	Northrim BanCorp, Inc.
First Northwest Bancorp	Sierra Bancorp
Five Star Bancorp	Timberland Bancorp, Inc.
HarborOne Bancorp, Inc.	Waterstone Financial, Inc.

*Acquired in 2024.

Market data is not the sole determinant in setting pay levels for our executive officers. The Compensation Committee also considers corporate and individual performance and the nature of an individual’s role within FS Bancorp, as well as the individual’s experience and contributions to their current role when making its compensation-related decisions.

2025 Executive Compensation Program

Base Salary. Our objective is to provide base salaries that are competitive within the financial services industry and reasonable as compared to our peers. We also consider each executive’s abilities, experience and tenure and our overall ability to pay. The Board recognizes that in order to attract and retain highly qualified executives, we have to compete with larger institutions with a greater ability to pay and that to acquire such candidates, we must

sometimes offer base salaries higher than survey ranges for peer banks. The Compensation Committee is charged with final oversight of base pay offered to senior executive candidates and will consider all of the factors described above before approving any out-of-market salary offer.

The Compensation Committee’s standard practice is to review the base salaries of our most highly compensated employees every two years. Not all of the executives have the same performance review period. As a result, two of our five named executive officers did not receive a salary review and a base salary increase in 2025.

Officer	2025 base salary ($)		2024 base salary ($)		Percentage increase
Joseph C. Adams		590,000		590,000		--
Matthew D. Mullet		425,000		425,000		--
Phillip D. Whittington		225,000		135,000		66.7	%
Donn C. Costa		374,220		346,500		8.0	%
Shana Allen		264,600		245,000		8.0	%

Mr. Whittington was promoted to Chief Financial Officer in May 2025 and his promotion resulted in a base salary increase of 66.7%. Mr. Costa and Ms. Allen each received an 8.0% base salary increase on January 1, 2025, as they had not received an increase for two years.

Annual Incentive Compensation. The 2025 annual cash incentives provided our named executive officers the opportunity to earn a performance-based award. Actual award payouts depend on the achievement of quantitative and qualitative performance objectives. Target award opportunities are expressed as a percentage of base salary, based on the named executive officer’s position and salary, as follows:

Officer	2025 base salary ($)		Target award opportunity (as a % of base salary)			Target award opportunity ($)
Joseph C. Adams		590,000		50	%		295,000
Matthew D. Mullet		425,000		50	%		212,500
Phillip D. Whittington		225,000		30	%		67,500
Donn Costa		374,220		50	%		187,110
Shana Allen		264,600		40	%		105,840

Annual cash incentives are intended to reward both incremental improvement and continued strong performance. Accordingly, when making final award decisions, the Compensation Committee takes a holistic view of performance results and considers the following key factors:

●

comparison to peers (relative financial performance);

●

financial performance compared to prior year and budget expectations;

●

general economic conditions and degree of difficulty in attaining target levels;

●

non-recurring events, whether positive or negative;

●

input from the Chief Executive Officer on the individual performance of the other named executive officers; and

●

an executive’s support and commitment to the Bank’s culture and to ensuring the Bank is in compliance with regulatory requirements and guidelines.

In addition to the compensation peer group described above, the Compensation Committee uses various other groups of competitors against which it tracks and assesses our relative performance to ensure a balanced perspective (i.e., regulatory, business/strategy mode, geographic, etc.). The financial and strategic goals are not individually weighted.

The Compensation Committee may use its business judgement to increase or decrease the recommended bonuses based on all available information, including performance to peers, individual performance and any other relevant factor. Awards may be paid only if the following conditions are met: (1) the most recent regulatory examination(s) must be satisfactory or better; (2) bonus expense cannot cause 1st Security Bank to fall below the well-capitalized level set by regulators; (3) payment of bonuses cannot cause the Bank to fall outside regulatory guidance on liquidity; (4) there must have been a matching contribution by FS Bancorp to the Bank’s 401(k) plan; and (5) dividends must have been declared and paid to shareholders during the plan year.

2025 Results and Award Payouts. For 2025, actual annual incentive award payouts were based on a combination of specific financial results and strategic achievements as assessed by the Compensation Committee.

Financial results for 2025 included the following:

●

Net interest income before provision expense of $130.4 million for 2025, compared to $123.1 million for 2024;

●

Net income of $33.3 million for 2025, compared to $35.0 million for 2024;

●

Net interest margin of 4.33% for 2025, compared to 4.30% for 2024;

●

Excluding brokered deposits, deposits increased $115.1 million, or 5.2%, from $2.20 billion at year-end 2024 to $2.31 billion at year-end 2025;

●

Continued focus on strong asset quality with only 0.59% of assets at the end of 2025 classified as nonperforming, an increase from 0.45% at year-end 2024;

●

Book value per share of $41.55 at year-end 2025, compared to $38.26 at year-end 2024;

●

Increased cash dividends paid to shareholders to $1.12 per share in 2025, excluding special dividend of $0.22 paid in August 2025, from $1.06 per share in 2024, a 5.7% annual increase;

●

Tangible book value growth of 10.1% in 2025, growing tangible book value to $39.65 from $36.02; and

●

Shareholder equity increased by $11.9 million to $307.7 million from $295.8 million and FS Bancorp maintained a strong common equity ratio of 9.62% in 2025, compared to 9.76% in 2024.

Book Value Per Share

Key strategic and human capital achievements for 2025 included the following:

●

ranked #19 in the Large category by Puget Sound Business Journal as Washington’s Best Workplaces;

●

ranked #22 in the BankDirector 2025 - The Best U.S. Banks: Less Than $5 Billion; and

●

donated over $341,500 to local food banks during our annual food drive in all the communities we serve.

The financial and strategic achievements highlighted above underscore the executive team’s strong performance in 2025. Although return on average assets and return on equity trended closer to peer average, performance remained consistent year over year. Management maintained solid margins, grew tangible book value and shareholder equity, and upheld a disciplined focus on asset quality, cost control, and long-term value creation. In light of these results and individual contributions, and as shown in the table below, the Compensation Committee approved annual incentive awards for the named executive officers ranging from 37.5% to 62.5% of base salary.

Officer	Target award opportunity (as a % of base salary)			Target award opportunity ($)		Actual award (as a % of base salary)			Actual award ($)
Joseph C. Adams		50	%		295,000		62.5	%		368,750
Matthew D. Mullet		50	%		212,500		62.5	%		265,625
Phillip D. Whittington		30	%		67,500		37.5	%		84,375
Donn C. Costa		50	%		187,110		62.5	%		233,888
Shana C. Allen		40	%		105,840		50.0	%		132,300

Long-Term Equity Incentive Plan

In 2018, our Board of Directors unanimously adopted, and shareholders approved, the FS Bancorp, Inc. 2018 Equity Incentive Plan. The purposes of the plan are: (1) to promote the long-term growth and profitability of FS Bancorp; (2) to attract and retain individuals of outstanding competence; and (3) to provide participants with incentives that are closely linked to the interests of all shareholders of FS Bancorp. Stock-based award grants align the interests of executives with those of shareholders. When FS Bancorp performs well, executives are rewarded along with other shareholders. We believe that stock-based awards are of great value in recruiting and retaining highly qualified personnel who are in great demand. Currently, there are only 52,560 shares available for future awards under the 2018 Equity Incentive Plan, consisting of 500 shares of restricted stock and 52,060 non-qualified stock options. Proposal 3 to this proxy statement asks shareholders to adopt the FS Bancorp 2026 Equity Incentive Plan, which would provide for the issuance of 315,000 shares of common stock. Upon approval of the 2026 Equity Incentive Plan, no further awards will be made under the 2018 Equity Incentive Plan. It is our expectation that we will continue to use awards to attract and retain the executives and employees who are critical to our continued success.

The table below shows the long-term equity incentive award values granted to each of the named executive officers on August 15, 2025.

Officer	Restricted stock ($)		Stock options ($)		Total grant date fair value ($)
Joseph C. Adams		152,050		285,182		437,232
Matthew D. Mullet		151,890		264,400		416,290
Phillip D. Whittington		80,280		52,880		133,160
Donn C. Costa		--		--		--
Shana C. Allen		80,280		79,320		159,600

Stock options provide meaningful incentives for management to execute on the longer-term financial and strategic growth goals that drive shareholder value creation because they only provide value to the named executive officers if the price of FS Bancorp’s stock appreciates over time. Specifically, the value of the award depends on the price of FS Bancorp’s common stock in the future as compared to the exercise price of the options granted. There can be no assurance that any value will be realized. Stock options granted in 2025 vest in 25% increments, over a four-year period. These stock options are also contingent upon the continued employment of the named executive officer through each vesting date. Termination of employment for any reasons other than death, disability or a change in control results in the forfeiture of any unvested options.

Restricted stock awards are intended to provide the named executive officers with the economic equivalent of a direct ownership interest in FS Bancorp during the vesting period and provide us with significant retention security regardless of post-grant share price volatility. Restricted stock awards granted in 2025 vest in 25% increments, over a four-year period. Termination of employment for any reasons other than death, disability or a change in control results in the forfeiture of any unvested shares. More information about equity awards made during 2025 is set forth in the Grants of Plan-Based Awards and Outstanding Equity Awards tables that follow.

Other Benefits

401(k) Plan. 1st Security Bank offers a qualified, tax-exempt savings plan to our employees with a cash or deferred feature qualifying under Section 401(k) of the Internal Revenue Code. Generally, all employees, as of the first day of the month following the commencement of employment, who have attained age 18, are eligible to make 401(k) contributions. We offer education regarding participation, in the form of general presentations and individual meetings, to all employees on an annual basis. During 2025, participants were permitted to make salary reduction contributions to the 401(k) Plan of up to 90% of their annual salary, up to a maximum of $23,500. In addition, participants who have attained age 50 may defer an additional $7,500 annually as a 401(k) “catch-up” contribution. All contributions made by participants are either before-tax contributions or after-tax “Roth 401(k) contributions,” as elected by the participant. We have the ability to match 401(k) contributions. During 2025, we matched 100% of participant contributions up to 3% of the participant’s annual salary and 50% of participant contributions on the next 2% of the participant’s annual salary. We may also make a discretionary profit-sharing contribution under the 401(k) Plan, though no such contribution was made in 2025. All participant 401(k) contributions and earnings, as well as all matching and profit-sharing contributions and earnings, are fully and immediately vested.

ESPP. In May 2022, we adopted the FS Bancorp, Inc. Nonqualified 2022 Stock Purchase Plan (“ESPP”), which was approved by shareholders at the annual meeting of shareholders. The ESPP provides employees, directors and independent contractors of FS Bancorp, Inc. and designated subsidiaries (collectively, “service providers”) with an opportunity to purchase up to $28,000 worth of FS Bancorp common stock annually with FS Bancorp providing a 25% matching stock purchase (up to $7,000 annually). The ESPP offers a convenient means for employees and specified service providers who might not otherwise purchase and hold our common stock to do so, and for the matching stock purchase feature to provide a meaningful incentive to participate. We believe that our employees and specified service providers’ continuing economic interest, as shareholders, in our performance and success will contribute to our long-term success. As of December 31, 2025, we had 217 participants enrolled in the ESPP. 1st Security Bank provided $244,440.55 in matching contributions in 2025.

Perquisites. Our named executive officers do not receive any special perquisites such as golf memberships, etc.

Other Policies and Guidelines

Stock Ownership Requirements. Stock ownership guidelines are a key vehicle for aligning the interests of management with those of our shareholders. Executive officers must own FS Bancorp common stock, based on the value of FS Bancorp common stock as a multiple of base salary.

Position	Stock value as a multiple of base salary
Chief Executive Officer	3x
Executive officer (other than CEO)	1x

Shares counted toward the stock ownership requirement include those held directly or through a broker, shares held in the Employee Stock Ownership Plan, the 401(k) Plan, vested stock options and restricted stock with time-based vesting. Once the minimum ownership requirement is met, officers must maintain the required ownership amounts and compliance will be calculated annually. Each director and executive officer is required to retain 50% of net after tax shares acquired upon the exercise of stock options or vesting of restricted stock until the stock ownership requirement is met. Exceptions may apply for donations of stock and for sales or divisions of property in the case of divorce, disability or death, or other limited circumstances.

Executive officers have five years from their appointment to comply with the applicable stock ownership requirement. All of the named executive officers were in compliance with these guidelines as of December 31, 2025.

Clawback Policy. FS Bancorp, Inc. has maintained a clawback policy since 2012. The policy provides the Board with the authority to withhold and/or recoup bonuses based on the occurrence of one or more of the following:

●

Fraud as determined by internal or external audit or examination. The policy defines fraud as any intentional deception made for personal gain or to damage 1st Security Bank or another person.

●

A material error occurred in the financial statements requiring restatement.

●

A loss or other injury to FS Bancorp’s or 1st Security Bank’s reputation triggered by a participant taking one or more imprudent risks. Examples include making an out-of policy loan without proper approvals, investing in inferior grade securities to gain a higher return rate or approving significant loan production that ultimately requires the Bank to suffer substantial financial losses which should have been foreseen through proper due diligence. Note that the taking of the imprudent risk is in and of itself grounds to trigger the claw-back. Actual monetary loss is not a requirement under this policy.

●

Violation of FS Bancorp and 1st Security Bank’s Code of Ethics.

●

Violation of 1st Security Bank’s Core Values.

The policy was updated in 2023 to provide for the recovery of erroneously awarded incentive-based compensation pursuant to Section 10D of the Securities Exchange Act, Rule 10D-1 under Section 10D and Nasdaq Listing Rule 5608.

Practices Related to the Grant of Certain Equity Awards

FS Bancorp maintains a structured equity grant timing process designed to ensure compliance with applicable securities laws, corporate governance best practices, and the avoidance of material nonpublic information in granting equity awards. The Compensation Committee approves all equity grants, including stock options and restricted stock awards, on a predetermined schedule, with grant dates set in advance to occur outside of blackout periods and when FS Bancorp is not in possession of material nonpublic information.

Stock option exercise prices are set at the closing price of FS Bancorp’s common stock on the grant date, in accordance with FS Bancorp’s equity plan and applicable securities regulations. This process is designed to prevent any appearance of opportunistic grant timing and to ensure that equity awards are made in a manner that reflects long-term shareholder value creation. By adhering to a fixed grant schedule and robust governance framework, FS Bancorp reinforces its commitment to transparency, fairness, and regulatory compliance in equity compensation practices.

Impact of Tax and Accounting

We regularly consider the various tax and accounting implications of our compensation plans. When determining the amounts of long-term incentives and equity grants to executives and employees, the compensation costs associated with the grants are reviewed, as required by FASB ASC Topic 718.

Section 162(m) of the Internal Revenue Code generally prohibits any publicly held corporation from taking a federal income tax deduction for compensation paid over $1 million in any taxable year to the Chief Executive Officer and the other “covered employees” as defined in the rule. Under the tax laws in effect before 2018, compensation that qualified as “performance-based compensation” under Section 162(m) of the Code was deductible without regard to this limitation. Effective for tax years beginning after December 31, 2017, the Tax Cuts and Jobs Act of 2017 generally eliminated the performance-based exemption, subject to a special rule that grandfathers certain awards and agreements that were in effect on November 2, 2017. While considering tax deductibility as only one of several considerations in determining compensation, the Compensation Committee believes that the tax deduction limitation should not compromise its ability to structure compensation programs that

provide benefits to FS Bancorp that outweigh the potential benefit of a tax deduction and, therefore, may approve compensation that is not deductible for tax purposes.

Compensation Risk Review

It is our belief that a significant portion of an executive’s total compensation should be variable “at risk” compensation, meaning it is tied to the Bank’s financial performance. However, because performance-based incentives play a large role in our compensation program, we strive to ensure that incentives do not result in actions that may conflict with the long-term best interests of FS Bancorp, its shareholders and clients. Therefore, the Compensation Committee annually reviews all plans and policies (applicable to executives and employees below the executive level) for attributes that could cause excessive risk-taking. Each manager is trained to identify and address any potential self-serving, risk-taking behavior within their team. We believe our programs and policies do not encourage excessive risk-taking because: (1) the salary component of our program is a fixed amount; (2) a significant element of our executive officers’ compensation is delivered in the form of equity ownership, which aligns the interest of our executives with those of our shareholders; and (3) the annual cash-based incentive plan and long-term incentive plans are designed with risk-mitigating characteristics. The risk-mitigating characteristics of the incentive plans include (1) award payouts based on the attainment of various and continually evolving corporate financial objectives which diversify risks associated with a single indicator of performance, (2) equity-based incentives encourage a longer-term focus, (3) risk-mitigating policies such as insider trading and hedging prohibitions and clawbacks, and (4) review and approval of final awards by the Compensation Committee (and the independent members of the full Board in the case of the Chief Executive Officer), which is composed entirely of independent directors who have discretion under our plans to approve, modify, or eliminate any award earned.

Compensation Committee Report

The Compensation Committee has reviewed and discussed the Compensation Discussion and Analysis with management. Based on the review and discussions, the Compensation Committee has recommended to the Board of Directors that the Compensation Discussion and Analysis be included in this proxy statement.

The foregoing report is provided by the following directors, who constitute the Compensation Committee:

Compensation Committee:	Michael J. Mansfield (Chair)
	Marina Cofer-Wildsmith
	Ted A. Leech
	Joseph P. Zavaglia

EXECUTIVE COMPENSATION

Summary Compensation Table

The table below summarizes the total compensation paid to or earned by each of our named executive officers for the fiscal years ended December 31, 2025, 2024 and 2023.

Name and Principal Position	Year	Salary ($)		Bonus ($)(1)		Stock awards ($)(2)		Option awards ($)(2)		All other compensa- tion ($)(3)		Total ($)
Joseph C. Adams	2025		590,000		368,750		152,050		285,182		46,593		1,442,575
Chief Executive Officer	2024		550,375		516,000		293,860		160,860		42,127		1,563,222
	2023		525,000		460,000		199,745		148,590		40,033		1,373,368
Matthew D. Mullet	2025		425,000		265,625		151,890		264,400		36,958		1,143,873
President	2024		377,145		371,000		209,900		114,900		29,372		1,102,318
	2023		346,500		303,500		122,920		91,440		26,811		891,171
Phillip D. Whittington (4)	2025		148,513		84,375		80,280		52,880		11,409		377,457
Chief Financial Officer
Donn C. Costa	2025		364,980		233,888		--		--		26,843		625,711
Chief Home Lending Officer	2024		346,500		175,000		--		--		28,964		550,464
	2023		346,500		173,250		--		--		31,057		550,807
Shana C. Allen	2025		258,067		132,300		80,280		79,320		18,113		568,080
Chief Information Officer	2024		245,000		245,000		104,950		57,450		15,993		668,393
	2023		245,000		171,500		76,825		57,150		13,207		563,682

(1)	Consists of the annual incentive award and the performance award described above under “Compensation Discussion and Analysis – 2025 Executive Compensation Program – Annual Incentive Compensation” and “–Performance Award and Non-Competition Agreement.”

(2)	Represents the aggregate grant date fair value of awards, computed in accordance with FASB ASC Topic 718. For a discussion of valuation assumptions, see Note 18 of the Notes to Consolidated Financial Statements in FS Bancorp’s Annual Report on Form 10‑K for the year ended December 31, 2025.

(3)	For 2025, consists of the following:

	401(k) match ($)		ESPP contribution ($)		Life insurance premiums ($)		Dividends on restricted stock ($)
Joseph C. Adams		14,000		6,000		1,012		25,581
Matthew D. Mullet		14,000		6,950		804		15,204
Phillip D. Whittington		7,946		1,625		275		1,563
Donn C. Costa		14,000		7,000		1,023		4,820
Shana C. Allen		14,000		1,200		1,063		1,850

(4)	Not a named executive officer in 2024 or 2023.

Grants of Plan-Based Awards

The following table shows information regarding grants of plan-based awards made to our named executive officers for 2025.

Name	Grant date	All other stock awards: Number of shares of stock or units (#)(1)		All other option awards: Number of securities underlying options (#)(1)		Exercise or base price of option awards ($/Sh)		Grant date fair value of stock and option awards (2)
Joseph C. Adams	8/15/2025		3,788		21,572	$	40.14	$	437,232
Matthew D. Mullet	8/15/2025		3,784		20,000	$	40.14	$	416,290
Phillip D. Whittington	8/15/2025		2,000		4,000	$	40.14	$	133,160
Donn C. Costa	8/15/2025		--		--		--		--
Shana C. Allen	8/15/2025		2,000		6,000	$	40.14	$	159,600

(1)

Awards vest pro rata over a four-year period from the grant date, with the first 25% vesting one year after the grant date

(2)

Represents the aggregate grant date fair value of awards, computed in accordance with FASB ASC Topic 718. For a discussion of valuation assumptions, see Note 18 of the Notes to Consolidated Financial Statements in FS Bancorp’s Annual Report on Form 10‑K for the year ended December 31, 2025.

Outstanding Equity Awards

The following table shows information regarding outstanding equity awards as of December 31, 2025 for the named executive officers.

		Option awards (1)							Stock awards (2)
Name	Grant date	Number of securities underlying unexercised options (#) Exercisable		Number of securities underlying unexercised options (#) Unexercisable		Option exercise price ($)		Option expiration date	Number of shares or units of stock that have not vested (#)	Market value of shares or units of stock that have not vested ($)(2)
Joseph C. Adams	08/14/20		5,760		--		21.35	08/14/30
	08/13/21		19,200		4,800		35.46	08/13/31
	08/15/22		13,500		9,000		30.94	08/15/32
	08/15/23		7,800		11,700		30.73	08/15/33
	08/15/24		2,800		11,200		41.98	08/15/34
	08/15/25

SEC Form DEF 14A filed by FS Bancorp Inc.