AAON (AAON) CEO logs small tax-withholding share disposition, retains options

Rhea-AI Filing Summary

AAON, INC. CEO Matthew Joseph Tobolski reported a routine tax-related share disposition. On 2026-03-12, 413 shares of common stock were withheld at $91.51 per share to satisfy tax obligations, leaving him with 9,378 shares held directly. He also reports indirect ownership of additional common shares through family trusts and a 401(k) plan, and maintains unexercised stock options over 7,215 shares at $73.87, 10,995 shares at $82.39, and 11,964 shares at $105.95, with expirations between 2034 and 2035.

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^*

Tobolski Matthew Joseph

(Last) (First) (Middle)

2425 SOUTH 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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO

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		F		413	D	$91.51(1)	9,378	D
Common Stock, par value $.004								122,371	I	By spouse, as trustee of trust for benefit of family members
Common Stock, par value $.004								200,904	I	Trustee of Trusts
Common Stock, par value $.004								2,638	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)	$73.87							01/01/2025	01/01/2034	Common Stock	7,215		7,215	D
Stock Option (Right to Buy)	$82.39							03/11/2026	03/11/2035	Common Stock	10,995		10,995	D
Stock Option (Right to Buy)	$105.95							05/13/2026	05/13/2035	Common Stock	11,964		11,964	D

Explanation of Responses:

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

Remarks:

	Matthew J. Tobolski	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.

FAQ

What insider transaction did AAON (AAON) CEO Matthew Tobolski report?

AAON CEO Matthew Tobolski reported a tax-related share disposition. On 12 March 2026, 413 common shares were withheld at $91.51 per share to cover tax obligations, a mechanistic event rather than an open-market sale.

How many AAON shares does CEO Matthew Tobolski hold directly after this Form 4?

After the tax-withholding transaction, Matthew Tobolski holds 9,378 AAON common shares directly. This reflects his remaining direct ownership position following the 413-share withholding to satisfy tax liabilities on 12 March 2026.

What indirect AAON share holdings are associated with Matthew Tobolski?

The filing shows indirect AAON holdings through trusts and a 401(k) plan. These include 122,371 common shares held by his spouse as trustee, 200,904 common shares held as trustee of trusts, and 2,638 common shares in a 401(k) plan.

What AAON stock options does CEO Matthew Tobolski currently hold?

Matthew Tobolski holds unexercised AAON stock options over 7,215 shares at $73.87, 10,995 shares at $82.39, and 11,964 shares at $105.95, with expiration dates ranging from 2034 to 2035, all providing future rights to buy common stock.

Was the AAON CEO’s Form 4 transaction an open-market sale of shares?

No, the Form 4 describes a tax-withholding disposition, not an open-market sale. 413 AAON common shares were withheld at $91.51 per share to cover tax obligations, a standard administrative mechanism tied to equity compensation.