Form 4 Filing for AAON, INC.

Norman H. Asbjornson, a director and 10% owner of AAON, INC., reported a transaction on September 1, 2026. This transaction involved the disposal of 100,000 shares of common stock, with a reported price of $0 per share. The disposal was made from the shareholder's revocable trust to a charitable organization, as indicated by footnote F1. Following this transaction, the total number of shares owned by Mr. Asbjornson directly or indirectly amounts to 1,148,2401. The filing also details Asbjornson's holdings in various stock options with different exercise prices and expiration dates, as well as his direct and indirect ownership of AAON common stock through a private foundation and a 401(k) plan.