acnb-20260227

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

______________

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

______________

Date of Report (Date of earliest event reported): February 27, 2026

ACNB Corporation

(Exact name of Registrant as specified in its charter)

Pennsylvania

1-35015

23-2233457

(State or other

jurisdiction of

incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)


16 Lincoln Square, Gettysburg, PA						17325
(Address of principal executive offices)						(Zip Code)


			717.334.3161
(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the Registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the Registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the Registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Securities registered pursuant to Section 12(b) of the Act:


Title Of Each Class	Trading Symbol(s)	Name Of Each Exchange On Which Registered
Common Stock, $2.50 par value per share	ACNB	The NASDAQ Stock Market, LLC

CURRENT REPORT ON FORM 8-K

ITEM 8.01 Other Events

On February 27, 2026, ACNB Corporation (the “Company”) notified holders that the Company will redeem on March 31, 2026 (the “Redemption Date”) all of the Company’s outstanding 4.00% Fixed-to-Floating Rate Subordinated Notes due March 31, 2031, having an aggregate principal amount of $15,000,000 (the “Notes”), in accordance with the terms of the Notes. The total redemption price will be 100% of the aggregate principal amount of the Notes, plus interest accrued and unpaid to the Redemption Date. The Company intends to fund the redemption payment with excess cash on hand and which may include funds raised through the potential issuance of new fixed-to-floating subordinated notes in an equal aggregate principal amount to replace the Notes.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Current Report on Form 8-K to be signed on its behalf by the undersigned, thereunto duly authorized.


		ACNB CORPORATION (Registrant)

Dated:	March 2, 2026	/s/ Kevin J. Hayes
		Kevin J. Hayes
		Senior Vice President/
		General Counsel, Secretary & Chief Governance Officer