STOCK TITAN

AAON (AAON) Chief Accounting Officer sells 4,230 shares from 401(k) plan

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

AAON, INC. Chief Accounting Officer Rebecca Thompson reported an open-market sale of 4,230 shares of common stock at $143.42 per share on June 2, 2026, from an indirect 401(k) Plan holding, leaving that account with no shares.

She continues to directly hold 27,681 common shares and multiple stock options on AAON stock, including options over 91,500 underlying shares at an exercise price of $27.58 expiring in 2031, along with additional grants at higher exercise prices with expirations through 2036.

Positive

  • None.

Negative

  • None.
Insider Thompson Rebecca
Role Chief Accounting Officer
Sold 4,230 shs ($607K)
Type Security Shares Price Value
Sale Common Stock, par value $.004 4,230 $143.42 $607K
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 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 — 0 shares (Indirect, 401(k) Plan); Stock Option (Right to Buy) — 91,500 shares (Direct, null); Common Stock, par value $.004 — 27,681 shares (Direct, null)
Footnotes (1)
  1. [object Object]
Shares sold 4,230 shares Open-market sale on June 2, 2026
Sale price $143.42 per share Price for 4,230 AAON common shares sold
Direct common shares held 27,681 shares Direct AAON holdings following transactions
Largest option grant 91,500 underlying shares at $27.58 Stock Option (Right to Buy), expiration March 11, 2029
High-strike option 15,762 underlying shares at $91.51 Stock Option (Right to Buy), expiration March 11, 2036
Stock Option (Right to Buy) financial
"security_title: Stock Option (Right to Buy)"
open-market sale financial
"transaction_action: open-market sale"
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.
401(k) Plan financial
"nature_of_ownership: 401(k) Plan"
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.
exercise price financial
"conversion_or_exercise_price: 27.5800"
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.
expiration date financial
"expiration_date: 2029-03-11T00:00:00.000Z"
The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.
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SEC Form 4
FORM 4UNITED 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*
Thompson Rebecca

(Last)(First)(Middle)
2425 S 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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Accounting Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/02/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock, par value $.00427,681D
Common Stock, par value $.00406/02/2026S4,230D$143.42(1)0I401(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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)$27.5803/11/202003/11/2029Common Stock91,50091,500D
Stock Option (Right to Buy)$48.9103/11/202203/11/2031Common Stock13,48213,482D
Stock Option (Right to Buy)$36.1303/15/202303/15/2032Common Stock8,8208,820D
Stock Option (Right to Buy)$62.0403/06/202403/06/2033Common Stock6,3946,394D
Stock Option (Right to Buy)$79.7303/11/202503/11/2034Common Stock4,6024,602D
Stock Option (Right to Buy)$82.3903/11/202603/11/2035Common Stock5,0405,040D
Stock Option (Right to Buy)$91.5103/11/202703/11/2036Common Stock15,76215,762D
Explanation of Responses:
1. All shares granted/purchased/converted/sold, as applicable, at an exact price. A breakdown is not applicable.
Remarks:
Filed late due to administrative delay.
Rebecca Thompson06/05/2026
** Signature of Reporting PersonDate
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)

FAQ

What insider transaction did AAON (AAON) disclose for Rebecca Thompson?

AAON disclosed that Chief Accounting Officer Rebecca Thompson reported an open-market sale of 4,230 shares of common stock on June 2, 2026. The transaction was executed through an indirect 401(k) Plan holding and left that retirement plan account with no remaining AAON shares.

How many AAON shares did Rebecca Thompson sell and at what price?

Rebecca Thompson sold 4,230 AAON common shares at a price of $143.42 per share. The transaction was reported as an open-market sale from a 401(k) Plan account, and following the sale that specific indirect account held zero AAON shares.

What AAON shareholdings does Rebecca Thompson report after this Form 4?

After the reported sale, Rebecca Thompson directly holds 27,681 AAON common shares. In addition, she reports several stock option awards on AAON common stock, giving her rights to acquire more shares in the future at preset exercise prices before their stated expiration dates.

What AAON stock options does Rebecca Thompson currently hold?

Rebecca Thompson holds several AAON stock options, including grants with exercise prices of $27.58, $36.13, $48.91, $62.04, $79.73, $82.39, and $91.51 per share. These options cover specified underlying common shares and expire between 2029 and 2036, if not exercised earlier.

Was the AAON transaction by Rebecca Thompson a buy or a sell?

The Form 4 shows a sale transaction. It reports a sell (“S” code) of 4,230 AAON common shares classified as an open-market or private sale, executed from an indirect 401(k) Plan holding, with no remaining shares in that specific retirement plan account afterward.

Did Rebecca Thompson exercise any AAON stock options in this Form 4 filing?

No option exercises are reported in this Form 4. The filing lists multiple stock option positions as holdings, with their exercise prices and expiration dates, but the transaction summary shows no derivative exercises and instead reflects only the single 4,230-share open-market sale of common stock.