SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 4)

Palladyne AI Corp.

(Name of Issuer)

Common Stock, $0.0001 par value per share

(Title of Class of Securities)

80359A106

(CUSIP Number)

WILLIAM KERBER
3917 NE 104TH,
OKLAHOMA CITY, OK, 73131
405-373-6600

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

05/13/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13D

CUSIP Number(s):

80359A106

Name of reporting person

KERBER WILLIAM XAVIER III

Check the appropriate box if a member of a Group (See Instructions)

(a)

(b)

SEC use only

Source of funds (See Instructions)

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

Checkbox not checked

Citizenship or place of organization

OKLAHOMA

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 1,916,314.00
8	Shared Voting Power 450,000.00
9	Sole Dispositive Power 1,916,314.00
10	Shared Dispositive Power 450,000.00

Aggregate amount beneficially owned by each reporting person

2,366,314.00

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in Row (11)

5.0 %

Type of Reporting Person (See Instructions)

SCHEDULE 13D

Item 1.

Security and Issuer

(a)

Title of Class of Securities:

Common Stock, $0.0001 par value per share

(b)

Name of Issuer:

Palladyne AI Corp.

(c)

Address of Issuer's Principal Executive Offices:

650 SOUTH 500 WEST, 650 SOUTH 500 WEST, SALT LAKE CITY, UTAH , 84101.

Item 2.

Identity and Background

(a)

William Xavier Kerber III

(b)

3917 NE 104th ST Oklahoma City, OK. 73131

(c)

CEO Human Mode LLC 3917 NE 104th ST Oklahoma City, OK. 73131

(d)

During the past 5 years, Mr. Kerber has not been convicted in any criminal proceeding (excluding traffic violations or similar misdemeanors).

(e)

During the past 5 years, Mr. Kerber has not been a party to any civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding such person was or is subject to a judgement, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

(f)

United States

Item 3.

Source and Amount of Funds or Other Consideration

Personal Funds

Item 4.

Purpose of Transaction

Mr. Kerber purchased the Issuer's Common stock as an individual for the purposes of investment. Since the filing of the last amendment dated June 13, 2025 Mr. Kerber has made the following changes to his holdings of the Issuer's Common Stock: * Purchases of an additional 10,000 shares owned directly by Mr. Kerber * A gift of 250,000 shares to the Chi K. Kerber 2026 Irrevocable Trust. Mr. Kerber holds a role as an investment advisor to this trust and maintains shared voting and dispositive power of the Issuer's Common Stock held within it.

Item 5.

Interest in Securities of the Issuer

(a)

As of the date of this Amendment No. 4 Mr. Kerber beneficially owns an aggregate of 2,366,314 shares or 5.0% of the Issuer's Common Stock. The beneficial ownership percentages used in this Schedule are calculated based on the 47,244,225 shares of Common Stock disclosed in the Issuer's 10-Q filing dated May 5, 2026. This beneficial ownership consists of: * 1,916,314 shares of Common Stock held directly by Mr. Kerber * 450,000 shares of Common Stock held indirectly through the Vincent Kerber Irrevocable Trust, Katheryn Kerber Irrevocable Trust and Chi Kerber Irrevocable trust, where he serves as an advisor (as disclosed in this amendment and in a prior amendment dated January 02, 2025).

(b)

As of the date of this Amendment No. 4 Mr. Kerber has voting and dispositive power of 2,366,314 shares or 5.0% of the Issuer's Common Stock. The beneficial ownership percentages used in this Schedule are calculated based on the 47,244,225 shares of Common Stock disclosed in the Issuer's 10-Q filing dated May 5, 2026. * Sole voting and dispositive power of 1,916,314 shares of Common Stock held directly by Mr. Kerber. * Shared voting and dispositive power of 450,000 shares of Common Stock through his advisory role to the Katheryn Kerber, Vincent Kerber and Chi Kerber Irrevocable trusts.

(c)

Date Transaction Shares Price Recipient 5/5/2026 Gift 200,000 $6.14 Chi Kerber Irrevocable Trust 5/8/2026 Gift 50,000 $6.11 Chi Kerber Irrevocable Trust 5/13/2026 Purchase 10,000 $6.76

(d)

The trustees of the three trusts listed in section 5(a) have the power to direct the receipt of dividends from or the proceeds from the sale of the Issuer's Common Stock held within those trusts. These three trusts hold less than 5% of the issuer's Common Stock.

Item 6.

Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer

As of the date of this Amendment, Mr. Kerber is not involved in any contracts, arrangements, understandings or relationships related to any securities of the Issuer.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

KERBER WILLIAM XAVIER III

Signature:	WILLIAM XAVIER KERBER III
Name/Title:	WILLIAM XAVIER KERBER III
Date:	05/14/2026

Amendment: SEC Form SCHEDULE 13D/A filed by Palladyne AI Corp.