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: Kidwell Casey (Chief Administration Officer)

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	12793	Direct
2026-01-30	Common Stock, par value $.004	F	505	$95.64	Disposed	12288	Direct
2026-01-30	Common Stock, par value $.004	M	726	$95.64	Acquired	13014	Direct
2026-01-30	Common Stock, par value $.004	F	232	$95.64	Disposed	12782	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $.004	2076	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$36.13	2032-03-15	Common Stock (1554)	1554	Direct
Stock Option (Right to Buy)	$35.41	2032-05-30	Common Stock (831)	831	Direct
Stock Option (Right to Buy)	$62.04	2033-03-06	Common Stock (2840)	2840	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 (3207)	3207	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.