AAON (AAON) CAO reports small tax-withholding share disposition in Form 4

Rhea-AI Filing Summary

AAON, INC. Chief Administration Officer Casey Kidwell reported a routine tax-related share disposition. On March 6, 2026, 120 shares of common stock were withheld at $88.33 per share to cover tax obligations, leaving 12,662 shares held directly.

Kidwell also has 2,191 AAON shares held indirectly through a 401(k) plan and multiple stock options to purchase common stock with exercise prices ranging from $36.13 to $82.39, expiring between 2032 and 2035.

Insider Trade Summary

7 transactions reported

Mixed 7 txns

Insider Kidwell Casey

Role Chief Administration Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock, par value $.004	120	$88.33	$11K
holding	Stock Option (Right to Buy)	--	--	--
holding	Stock Option (Right to Buy)	--	--	--
holding	Stock Option (Right to Buy)	--	--	--
holding	Stock Option (Right to Buy)	--	--	--
holding	Stock Option (Right to Buy)	--	--	--
holding	Common Stock, par value $.004	--	--	--

Holdings After Transaction: Common Stock, par value $.004 — 12,662 shares (Direct); Stock Option (Right to Buy) — 1,554 shares (Direct); Common Stock, par value $.004 — 2,191 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)
03/06/2026

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	03/06/2026		F		120	D	$88.33(1)	12,662	D
Common Stock, par value $.004								2,191	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							03/15/2023	03/15/2032	Common Stock	1,554		1,554	D
Stock Option (Right to Buy)	$35.41							05/30/2023	05/30/2032	Common Stock	831		831	D
Stock Option (Right to Buy)	$62.04							03/06/2024	03/06/2033	Common Stock	2,840		2,840	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	03/10/2026
	** 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.

FAQ

What insider transaction did AAON (AAON) report for Casey Kidwell?

AAON reported that Chief Administration Officer Casey Kidwell had 120 common shares withheld on March 6, 2026 to cover tax obligations. The shares were valued at $88.33 each and reflect a tax-withholding disposition, not an open-market sale or purchase.

How many AAON (AAON) shares does Casey Kidwell hold after this Form 4?

After the March 6, 2026 tax-withholding transaction, Casey Kidwell directly holds 12,662 AAON common shares. In addition, 2,191 common shares are held indirectly through a 401(k) plan, providing both direct and retirement-plan exposure to AAON stock.

Was the AAON (AAON) Form 4 transaction a market sale by Casey Kidwell?

No, the Form 4 shows a tax-withholding disposition, not a market sale. 120 shares were delivered at $88.33 per share to satisfy tax obligations, a common administrative mechanism when equity awards vest or are settled in company stock.

What AAON (AAON) stock options does Casey Kidwell hold according to this filing?

The filing lists several stock options to buy AAON common stock with exercise prices of $36.13, $35.41, $62.04, $79.73, and $82.39. These options expire between 2032 and 2035 and together represent a meaningful potential future equity stake.

How large is the AAON (AAON) tax-withholding share disposition for Casey Kidwell?

The tax-withholding disposition involved 120 AAON common shares at $88.33 each. Compared with Kidwell’s 12,662 directly held shares and additional 2,191 shares in a 401(k) plan, the withheld amount is relatively small and appears routine.