Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Wakefield Stephen E 2. Issuer Name and Ticker or Trading Symbol AAON, INC. [AAON] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) __X__ Other (specify below) Principal Engineering Advisor (Last) (First) (Middle) 2425 SOUTH YUKON 3. Date of Earliest Transaction (Month/Day/Year) 01/30/2026 (Street) TULSA, OK 74107 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock, par value $.004 01/30/2026 M 1,552(1) A $95.64(2) 14,282 D Common Stock, par value $.004 01/30/2026 F 531(1) D $95.64(2) 13,751 D Common Stock, par value $.004 01/30/2026 M 762(1) A $95.64(2) 14,513 D Common Stock, par value $.004 01/30/2026 F 239(1) D $95.64(2) 14,274 D Common Stock, par value $.004 15,246 I 401(k) Plan

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option (Right to Buy)

$29.48

03/11/2021

03/11/2030

Common Stock

12,696

12,696

D

Stock Option (Right to Buy)

$36.13

03/15/2023

03/15/2032

Common Stock

2,646

2,646

D

Stock Option (Right to Buy)

$62.04

03/06/2024

03/06/2033

Common Stock

2,984

2,984

D

Stock Option (Right to Buy)

$79.73

03/11/2025

03/11/2034

Common Stock

3,798

3,798

D

Stock Option (Right to Buy)

$82.39

03/11/2026

03/11/2035

Common Stock

3,894

3,894

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Wakefield Stephen E 2425 SOUTH YUKON TULSA, OK 74107				Principal Engineering Advisor

Signatures

Stephen E Wakefield		02/02/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	On January 21, 2026, the Compensation Committee determined the performance restricted stock units, granted in 2023 vested at 83.2 percent of the performance target, based on the issuer's achievement of the relevant performance conditions. The shares received were net of taxes withheld to cover the reporting person's tax liability. Cash was paid in lieu of fractional shares, if any.
(2)	All shares granted/purchased/converted/sold, as applicable, at an exact price. A breakdown is not applicable.

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