[Form 4] AAON, INC. Insider Trading Activity

Rhea-AI Filing Summary

AAON, INC. Chief Administration Officer Casey Kidwell reported an exercise-and-sell transaction in company stock. Kidwell exercised stock options for a total of 5,225 shares of common stock at exercise prices of $36.13, $35.41, and $62.04 per share, then sold the same 5,225 shares in open-market transactions at $90.00 per share. An additional 180 shares were disposed of to cover tax obligations. Following these transactions, Kidwell holds 12,482 shares of common stock directly and 2,208 shares indirectly through a 401(k) plan, along with remaining stock options covering 3,126 shares at an exercise price of $79.73 and 3,207 shares at $82.39.

Insider Trade Summary

Net Seller: 5,225 shares ($470,250)

Net Sell 14 txns

Insider Kidwell Casey

Role Chief Administration Officer

Sold 5,225 shs ($470K)

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy)	1,554	$36.13	$56K
Exercise	Stock Option (Right to Buy)	831	$35.41	$29K
Exercise	Stock Option (Right to Buy)	2,840	$62.04	$176K
Exercise	Common Stock, par value $.004	1,554	$36.13	$56K
Sale	Common Stock, par value $.004	1,554	$90.00	$140K
Exercise	Common Stock, par value $.004	831	$35.41	$29K
Sale	Common Stock, par value $.004	831	$90.00	$75K
Exercise	Common Stock, par value $.004	2,840	$62.04	$176K
Sale	Common Stock, par value $.004	2,840	$90.00	$256K
Tax Withholding	Common Stock, par value $.004	89	$91.51	$8K
Tax Withholding	Common Stock, par value $.004	91	$91.51	$8K
holding	Stock Option (Right to Buy)	--	--	--
holding	Stock Option (Right to Buy)	--	--	--
holding	Common Stock, par value $.004	--	--	--

Holdings After Transaction: Stock Option (Right to Buy) — 0 shares (Direct); Common Stock, par value $.004 — 14,216 shares (Direct); Common Stock, par value $.004 — 2,208 shares (Indirect, 401(k) Plan)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Kidwell Casey

(Last) (First) (Middle)

2425 S YUKON AVE

(Street)

TULSA OK 74107

(City) (State) (Zip)

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
X	Officer (give title below)		Other (specify below)
	Chief Administration Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/12/2026

4. If Amendment, Date of 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

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	03/12/2026		M		1,554	A	$36.13(1)	14,216	D
Common Stock, par value $.004	03/12/2026		S		1,554	D	$90(1)	12,662	D
Common Stock, par value $.004	03/12/2026		M		831	A	$35.41(1)	13,493	D
Common Stock, par value $.004	03/12/2026		S		831	D	$90(1)	12,662	D
Common Stock, par value $.004	03/12/2026		M		2,840	A	$62.04(1)	15,502	D
Common Stock, par value $.004	03/12/2026		S		2,840	D	$90(1)	12,662	D
Common Stock, par value $.004	03/12/2026		F		89	D	$91.51(1)	12,573	D
Common Stock, par value $.004	03/12/2026		F		91	D	$91.51(1)	12,482	D
Common Stock, par value $.004								2,208	I	401(k) Plan

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 Securities Underlying Derivative Security (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: 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)	$36.13	03/12/2026		M			1,554	03/15/2023	03/15/2032	Common Stock	1,554	$36.13	0	D
Stock Option (Right to Buy)	$35.41	03/12/2026		M			831	05/30/2023	05/30/2032	Common Stock	831	$35.41	0	D
Stock Option (Right to Buy)	$62.04	03/12/2026		M			2,840	03/06/2024	03/06/2033	Common Stock	2,840	$62.04	0	D
Stock Option (Right to Buy)	$79.73							03/11/2025	03/11/2034	Common Stock	3,126		3,126	D
Stock Option (Right to Buy)	$82.39							03/11/2026	03/11/2035	Common Stock	3,207		3,207	D

Explanation of Responses:

1. All shares granted/purchased/converted/sold, as applicable, at an exact price. A breakdown is not applicable.

Remarks:

	Casey R. Kidwell	03/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.