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Insider Trading Arrangements
 3 Months Ended
Sep. 30, 2025
shares
Trading Arrangements, by Individual  
Non-Rule 10b5-1 Arrangement Adopted false
Rule 10b5-1 Arrangement Terminated false
Non-Rule 10b5-1 Arrangement Terminated false
Michael David Cassens [Member]  
Trading Arrangements, by Individual  
Material Terms of Trading Arrangement
On August 15, 2025, Michael David Cassens, a member of Busey’s Board of Directors, adopted a Rule 10b5‑1 trading arrangement that is intended to satisfy the affirmative defense conditions of Rule 10b5‑1(c) of the Exchange Act (the “Cassens Trading Plan”). The Cassens Trading Plan provides for the sale of up to 31,702 shares of Busey common stock in several transactions pursuant to one or more market or limit orders. The plan will cease upon the earlier of August 15, 2027, or the sale of all shares subject to the Cassens Trading Plan.
Name Michael David Cassens
Title member of Busey’s Board of Directors
Rule 10b5-1 Arrangement Adopted true
Adoption Date August 15, 2025
Expiration Date August 15, 2027
Arrangement Duration 730 days
Aggregate Available 31,702