AAON director sells 19,000 shares at $140.20

AAON, INC. director Gary D. Fields reported an open-market sale of 19,000 shares of common stock at $140.20 per share on May 29, 2026.

Rhea-AI Filing Summary

AAON, INC. director Gary D. Fields reported an open-market sale of 19,000 shares of common stock at $140.20 per share on May 29, 2026. After this sale, he directly holds 15,252 shares of AAON common stock.

In addition to these direct holdings, Fields reports indirect ownership of 6,249 shares through a 401(k) Plan and 9,250 shares as custodian for the benefit of his grandchildren. He also holds stock options giving rights to acquire AAON common shares at exercise prices of $82.39, $79.73, and $62.03, covering 7,329, 22,338, and 31,968 underlying shares, respectively.

Insights

Equity compensation and insider-trading analyst

Director sells 19,000 AAON shares while retaining sizable equity exposure.

Director Gary D. Fields executed an open-market sale of 19,000 AAON common shares at $140.20 per share on May 29, 2026. Following the transaction, he continues to hold 15,252 shares directly, plus additional indirect holdings.

Filings also show indirect interests in 6,249 shares via a 401(k) Plan and 9,250 shares held as custodian for his grandchildren. These are long-term style vehicles, indicating part of his position is structured for retirement and family purposes rather than short-term trading.

Fields maintains option-based exposure through three Stock Options (Right to Buy) with exercise prices of $82.39, $79.73, and $62.03, expiring between 2033 and 2035 and tied to 7,329, 22,338, and 31,968 underlying shares. This combination of ongoing share ownership and long-dated options suggests the filing reflects portfolio adjustment rather than a full exit.

Insider Trade Summary

Net Seller: 19,000 shares

Net Sell 6 txns

Insider Fields Gary D

Role Director

Sold 19,000 shs ($2.66M)

Type	Security	Shares	Price	Value
Sale	Common Stock, par value $.004	19,000	$140.20	$2.66M
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	--	--	--

Holdings After Transaction: Common Stock, par value $.004 — 15,252 shares (Direct); Stock Option (Right to Buy) — 61,635 contracts (Direct); Common Stock, par value $.004 — 9,250 shares (Indirect, Custodian for the benefit of his grandchildren); Common Stock, par value $.004 — 6,249 shares (Indirect, 401(k) Plan)

Footnotes (1)

1. F1. All shares granted/purchased/converted/sold, as applicable, at an exact price. A breakdown is not applicable.

Key Figures

Shares sold: 19,000 shares Sale price: $140.20 per share Direct holdings after sale: 15,252 shares +5 more

8 metrics

Shares sold 19,000 shares Open-market sale of AAON common stock on May 29, 2026

Sale price $140.20 per share Price for 19,000 AAON shares sold, code S

Direct holdings after sale 15,252 shares AAON common stock directly owned by Fields post-transaction

Indirect 401(k) holdings 6,249 shares AAON common stock in 401(k) Plan

Custodial holdings 9,250 shares AAON shares held as custodian for grandchildren

Option strike price 1 $82.39 Stock Option (Right to Buy) for 7,329 underlying shares, expiring March 11, 2035

Option strike price 2 $79.73 Stock Option (Right to Buy) for 22,338 underlying shares, expiring March 11, 2034

Option strike price 3 $62.03 Stock Option (Right to Buy) for 31,968 underlying shares, expiring March 6, 2033

Key Terms

open-market sale, Stock Option (Right to Buy, 401(k) Plan, custodian for the benefit of his grandchildren, +1 more

5 terms

open-market sale financial

"transaction_action: "open-market sale" for 19,000 common shares"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Stock Option (Right to Buy financial

"security_title: "Stock Option (Right to Buy)" with underlying Common Stock"

401(k) Plan financial

"nature_of_ownership: "401(k) Plan" for indirect holdings of common stock"

A 401(k) plan is a workplace retirement account that lets employees set aside part of their pay into a tax-advantaged savings pot, often with employers adding matching contributions — like a workplace piggy bank for future income. It matters to investors because the amount people save and how employers fund these plans influence consumer spending, corporate payroll costs and the flow of money into financial markets, which can affect stock prices and company valuations.

custodian for the benefit of his grandchildren financial

"nature_of_ownership: "Custodian for the benefit of his grandchildren""

exercise price financial

"conversion_or_exercise_price fields such as "82.3900" and "62.0300""

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did AAON (AAON) director Gary D. Fields report in this Form 4?

Gary D. Fields reported selling 19,000 AAON common shares at $140.20 each. The Form 4 also shows that after this open-market sale, he continues to hold 15,252 shares directly, plus additional indirect holdings and several stock option grants with long-dated expiration terms.

How many AAON (AAON) shares does Gary D. Fields hold after the reported sale?

After the transaction, Fields directly holds 15,252 AAON common shares. The filing further shows indirect ownership of 6,249 shares through a 401(k) Plan and 9,250 shares held as custodian for his grandchildren, alongside significant option-based rights to acquire additional shares.

At what price were the AAON (AAON) shares sold in Gary D. Fields’s Form 4 filing?

The reported 19,000 AAON shares were sold at $140.20 per share. This price reflects an open-market or private transaction sale code S, indicating a standard disposition of common stock rather than an option exercise or tax-withholding event in this particular Form 4 filing.

What stock options does Gary D. Fields report holding for AAON (AAON)?

Fields reports three AAON stock option positions with different exercise prices. They allow purchase of 7,329, 22,338, and 31,968 underlying common shares at $82.39, $79.73, and $62.03, respectively, with expirations ranging from March 2033 through March 2035, indicating long-term incentive alignment.

Does the AAON (AAON) Form 4 show only a sale, or also option exercises?

The Form 4 shows an open-market sale of 19,000 common shares coded S. Other entries are classified as holdings, including existing stock options and indirect accounts, with no derivative exercise transactions reported in the filing’s transaction summary for this specific date.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/01/2026 - 06:33 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^*

Fields Gary D

(Last) (First) (Middle)

2425 S. YUKON

(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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/29/2026

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	05/29/2026		S		19,000	D	$140.2(1)	15,252	D
Common Stock, par value $.004								9,250	I	Custodian for the benefit of his grandchildren
Common Stock, par value $.004								6,249	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)	$62.03							03/06/2024	03/06/2033	Common Stock	31,968		31,968	D
Stock Option (Right to Buy)	$79.73							03/11/2025	03/11/2034	Common Stock	22,338		22,338	D
Stock Option (Right to Buy)	$82.39							03/11/2026	03/11/2035	Common Stock	7,329		7,329	D

Explanation of Responses:

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

Remarks:

	Gary D. Fields	06/01/2026
	** 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)