Initial Statement of Beneficial Ownership (Form 3)

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF 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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(Print or Type Responses)

1. Name and Address of Reporting Person * Wichman Gordon Douglas 2. Date of Event Requiring Statement (Month/Day/Year) 01/01/2026 3. Issuer Name and Ticker or Trading Symbol AAON, INC. [AAON] (Last) (First) (Middle) 2425 S YUKON AVE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Executive Vice President 5. If Amendment, Date Original Filed (Month/Day/Year) (Street) TULSA, OK 74107 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 Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock, par value $.004 10,319 D Common Stock, par value $.004 4,371 I 401(k) Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	03/11/2020	03/11/2029	Common Stock	24,250	$27.58	D
Stock Option (Right to Buy)	03/11/2021	03/11/2030	Common Stock	15,780	$29.48	D
Stock Option (Right to Buy)	03/11/2022	03/11/2031	Common Stock	6,106	$48.91	D
Stock Option (Right to Buy)	03/15/2023	03/15/2032	Common Stock	5,670	$36.13	D
Stock Option (Right to Buy)	03/06/2024	03/06/2033	Common Stock	4,261	$62.04	D
Stock Option (Right to Buy)	03/11/2025	03/11/2034	Common Stock	3,126	$79.73	D
Stock Option (Right to Buy)	03/11/2026	03/11/2035	Common Stock	1,935	$82.39	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Wichman Gordon Douglas 2425 S YUKON AVE TULSA, OK 74107			Executive Vice President

Signatures

Gordon D. Wichman		03/05/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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).
Remarks: This Form 3 is being filed late due to an administrative error resulting from the reporting person having previously filed a Form 3 in connection with his prior status as a Section 16 reporting person of the registrant. Form 4 filings for the reporting person have been made on a timely basis since he returned to Section 16 reporting person status.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.