AAON CEO Matthew Tobolski Receives 8,961 Restricted Stock Units on March 11, 2026

This Form 4 filing reports that Matthew J. Tobolski, Chief Executive Officer and Director of AAON, Inc., received 8,961 restricted stock units on March 11, 2026, as part of the company's 2024 Long Term Incentive Plan. The award vests ratably over three years and was granted at $0 cost. Following this transaction, Tobolski directly holds 18,339 common shares. Additionally, he holds significant indirect ownership through various trusts and retirement accounts totaling approximately 325,913 shares. The filing also discloses four stock option grants with exercise prices ranging from $73.87 to $105.95 and expiration dates extending to 2036. The form was filed late due to administrative delay.