[Form 4] AAON, INC. Insider Trading Activity

AAON, INC. director and Chief Executive Officer Matthew Joseph Tobolski reported receiving an award of 8,961 shares of common stock at no cost on March 11, 2026.

Rhea-AI Filing Summary

AAON, INC. director and Chief Executive Officer Matthew Joseph Tobolski reported receiving an award of 8,961 shares of common stock at no cost on March 11, 2026. The award was granted under the company’s 2024 Long Term Incentive Plan and vests ratably on each of the first three anniversaries of the grant date.

Following this grant, Tobolski directly holds 18,339 shares of AAON common stock. He also holds several stock option awards giving rights to buy common shares, including options over 7,215 shares at an exercise price of $73.87 expiring in 2034, and further grants with exercise prices of $82.39, $105.95, and $91.51 expiring between 2035 and 2036.

In addition to his direct holdings, indirect ownership positions are reported, including common stock held by his spouse as trustee of a trust for family members, as trustee of other trusts, and shares held in a 401(k) Plan. The filing shows no open‑market purchases or sales; the primary new activity is the equity award acquisition.

Insider Trade Summary

Grant/Award: 8,961 shares

Grant/Award 8 txns

Insider Tobolski Matthew Joseph

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $.004	8,961	$0.00	$0.00
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	--	--	--
holding	Common Stock, par value $.004	--	--	--
holding	Common Stock, par value $.004	--	--	--

Holdings After Transaction: Common Stock, par value $.004 — 18,339 shares (Direct); Stock Option (Right to Buy) — 121,878 contracts (Direct); Common Stock, par value $.004 — 122,371 shares (Indirect, By spouse, as trustee of trust for benefit of family members); Common Stock, par value $.004 — 200,904 shares (Indirect, Trustee of Trusts); Common Stock, par value $.004 — 2,638 shares (Indirect, 401(k) Plan)

Footnotes (1)

1. F1. This stock award is granted under the Issuer's 2024 Long Term Incentive Plan and is exercisable or vests ratably on each of the first three anniversaries of the date of the grant.

FAQ

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What did AAON (AAON) CEO Matthew Tobolski report in this Form 4?

AAON CEO Matthew Tobolski reported receiving an award of 8,961 shares of common stock on March 11, 2026. The shares were granted at no cost as part of equity compensation, increasing his directly held AAON common stock to 18,339 shares after the transaction.

How many AAON (AAON) shares did the CEO acquire in this award?

The CEO acquired 8,961 shares of AAON common stock through a stock award on March 11, 2026. The award was recorded at a price of $0.00 per share as compensation, reflecting a grant rather than an open‑market purchase for cash consideration.

How does this AAON (AAON) grant affect the CEO’s direct share holdings?

After the 8,961-share award, Matthew Tobolski directly holds 18,339 AAON common shares. This figure reflects his direct ownership position following the reported grant, separate from any indirect holdings through trusts or retirement plans noted in the same Form 4.

What stock options for AAON (AAON) does the CEO hold according to this filing?

The filing shows several AAON stock option positions, including rights to buy 7,215 shares at $73.87 expiring in 2034. Additional option awards cover 10,995 shares at $82.39, 11,964 shares at $105.95, and 91,704 shares at $91.51 with expirations in 2035 and 2036.

How does the AAON (AAON) CEO’s equity award vest over time?

The stock award granted to the CEO under AAON’s 2024 Long Term Incentive Plan vests ratably over three years. According to the footnote, the shares vest on each of the first three anniversaries of the March 11, 2026 grant date, subject to the plan’s terms.

What indirect AAON (AAON) holdings are reported for the CEO?

Indirect AAON holdings include common stock held by his spouse as trustee of a trust for family members, stock where he serves as trustee of other trusts, and 2,638 shares held in a 401(k) Plan. These positions are reported separately from his direct 18,339-share ownership.

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Accepted by SEC EDGAR 04/10/2026 - 01:40 PM Learn about SEC filing dates

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 OKLAHOMA 74107

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	Chief Executive Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/11/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	03/11/2026		A		8,961(1)	A	$0	18,339	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
Stock Option (Right to Buy)	$91.51							03/11/2027	03/11/2036	Common Stock	91,704(1)		91,704	D

Explanation of Responses:

1. This stock award is granted under the Issuer's 2024 Long Term Incentive Plan and is exercisable or vests ratably on each of the first three anniversaries of the date of the grant.

Remarks:

Form was filed late due to administrative delay.

	Matthew J. Tobolski	04/10/2026
	** 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.
* Form 4: SEC 1474 (03-26)