Form 4 Filing for R. Jay Gerken

This filing details two non-derivative transactions by R. Jay Gerken, a director at ASSOCIATED BANC-CORP, on March 16, 2026. Gerken acquired 44 shares of Common Stock at $24.59 per share, increasing his total holdings to 44,838 shares. Additionally, he acquired 340 shares of Common Stock, also at $24.59 per share, resulting in a post-transaction total of 45,178 shares. Footnote F1 indicates these are dividend equivalent units that vest and are payable in shares. Footnote F2 clarifies that these vested dividend equivalents were received on restricted stock units and are payable in common stock after Gerken ceases to be a director.