THOMPSON REBECCA (Chief Accounting Officer) sold 7.6% of their position (2.29K shares) of AAON, INC. on the open market

Open‑market sale worth $229.0K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

THOMPSON REBECCA

Filed: 4/22/2026ACC: 0001565768-26-000009

InsiderTHOMPSON REBECCACIK 1565768

→

IssuerAAON, INC.CIK 824142

Officer· Chief Accounting Officer

Since Jul 2018

-2.29K

Net shares

Net seller

$229.0K

Total sold

Open market trades

0B · 1S

Total transactions

2.29K acquired · 4.57K disposed

Non-Derivative Transactions2

Common Stock, par value $.004

Direct

M · Option Exercise

+2.29K

Price / share

$29.48

Trade value

$67.42K

% of position

8.3%

4/21/2026

27.68K→29.97K

Common Stock, par value $.004

Direct

S · Sale

−2.29K

Price / share

$100.11

Trade value

$228.95K

% of position

7.6%

4/21/2026

29.97K→27.68K

Total

Net shares

+0.00

Net value

-$161.53K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock, par value $.004 Direct	4/21/2026	M · Option Exercise	+2.29K	$29.48	$67.42K	8.3%	27.68K	29.97K
Common Stock, par value $.004 Direct	4/21/2026	S · Sale	−2.29K	$100.11	$228.95K	7.6%	29.97K	27.68K
Total			+0.00		-$161.53K

Derivative Transactions1

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

2.29K shares

−2.29K

Strike price

29.48

Held after

39.28K

Exercisable

—

4/21/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Common Stock2.29K shares	4/21/2026	M · Option Exercise	−2.29K	29.48	—	39.28K

Non-Derivative Holdings (Post-Transaction)1

Common Stock, par value $.004

Indirect

Shares owned4.23K

Total

4.23K indirect4.23K

Security Title	Shares Owned	Ownership Type
Common Stock, par value $.004	4.23K	Indirect
Total	4.23K	4.23K indirect

Derivative Holdings (Post-Transaction)7

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

15.76K

Shares owned

15.76K

Exercise price

91.51

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

8.82K

Shares owned

8.82K

Exercise price

36.13

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

6.39K

Shares owned

6.39K

Exercise price

62.04

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

5.04K

Shares owned

5.04K

Exercise price

82.39

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

91.50K

Shares owned

91.50K

Exercise price

27.58

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

4.60K

Shares owned

4.60K

Exercise price

79.73

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

13.48K

Shares owned

13.48K

Exercise price

48.91

Expiration

—

Exercise window

—

Total

Underlying

145.60K

Owned

145.60K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option (Right to Buy) Direct	Common Stock	91.51	—	—	15.76K	15.76K
Stock Option (Right to Buy) Direct	Common Stock	36.13	—	—	8.82K	8.82K
Stock Option (Right to Buy) Direct	Common Stock	62.04	—	—	6.39K	6.39K
Stock Option (Right to Buy) Direct	Common Stock	82.39	—	—	5.04K	5.04K
Stock Option (Right to Buy) Direct	Common Stock	27.58	—	—	91.50K	91.50K
Stock Option (Right to Buy) Direct	Common Stock	79.73	—	—	4.60K	4.60K
Stock Option (Right to Buy) Direct	Common Stock	48.91	—	—	13.48K	13.48K
Total					145.60K	145.60K