X0508 4 2026-02-10 0000007789 ASSOCIATED BANC-CORP ASB 0001791042 Ahern Patrick Edward C/O ASSOCIATED BANC CORP 433 MAIN STREET GREEN BAY WI 54301 1 Executive Vice President 0 Common Stock $0.01 Par Value 2026-02-10 4 S 0 3538 29.01 D 39401 D Common Stock $0.01 Par Value 2026-02-10 4 M 0 11193 26.00 A 50594 D Common Stock $0.01 Par Value 2026-02-10 4 S 0 11193 29.04 D 39401 D Common Stock $0.01 Par Value 5505.21 I 401(k) plan Non-qualified Stock Option (Right to Buy) 26.00 2026-02-10 4 M 0 11193 0 D 2027-02-27 Common Stock $0.01 Par Value 11193 0 D Option vests in four equal annual installments beginning on 2/8/2018. /s/Lynn M. Floeter, attorney-in-fact for Patrick Edward Ahern 2026-02-11