AAON, INC. — Director's Dealing 2026

Feb 3, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AAON, INC. (AAON)
CIK: 0000824142
Period of Report: 2026-01-30

Reporting Person: Wichman Gordon Douglas (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-30	Common Stock, par value $.004	M	1478	$95.64	Acquired	10232	Direct
2026-01-30	Common Stock, par value $.004	F	439	$95.64	Disposed	9793	Direct
2026-01-30	Common Stock, par value $.004	M	726	$95.64	Acquired	10519	Direct
2026-01-30	Common Stock, par value $.004	F	200	$95.64	Disposed	10319	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $.004	4119	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$27.58	2029-03-11	Common Stock (24250)	24250	Direct
Stock Option (Right to Buy)	$29.48	2030-03-11	Common Stock (15780)	15780	Direct
Stock Option (Right to Buy)	$48.91	2031-03-11	Common Stock (6106)	6106	Direct
Stock Option (Right to Buy)	$36.13	2032-03-15	Common Stock (5670)	5670	Direct
Stock Option (Right to Buy)	$62.04	2033-03-06	Common Stock (4261)	4261	Direct
Stock Option (Right to Buy)	$79.73	2034-03-11	Common Stock (3126)	3126	Direct
Stock Option (Right to Buy)	$82.39	2035-03-11	Common Stock (1935)	1935	Direct

Footnotes

F1: On January 21, 2026, the Compensation Committee determined the performance restricted stock units, granted in 2023 vested at 83.2 percent of the performance target, based on the issuer's achievement of the relevant performance conditions. The shares received were net of taxes withheld to cover the reporting person's tax liability. Cash was paid in lieu of fractional shares, if any.

F2: All shares granted/purchased/converted/sold, as applicable, at an exact price. A breakdown is not applicable.