Form 4 Filing for AAON, INC.

Gordon Douglas Wichman, Executive Vice President of AAON, INC., acquired 924 shares of Common Stock on March 11, 2026, with a reported transaction price of $0.0. This acquisition was made under the Issuer's 2024 Long Term Incentive Plan and vests ratably over three years. Following this transaction, Mr. Wichman directly owns 10,997 shares of Common Stock. Additionally, he holds 4,526 shares indirectly through a 401(k) Plan. The filing also details various stock options previously granted to Mr. Wichman, with exercise prices ranging from $27.58 to $91.51 and expiration dates spanning from 2029 to 2036. The form was filed late due to administrative delay.