SEC Insider Transactions from Finkelstein Mark A.

Last updated: 2026-03-14 11:27 UTC | Total transactions: 6

Finkelstein Mark A has filed 6 insider transactions across 1 company since February 2023.

Most recent transaction: a grant/award of 3382 shares of COLUMBIA BANKING SYSTEM, INC. ($COLB) on May 15, 2025.

Activity breakdown: 1 open-market purchase and 0 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
May 15, 2025 COLUMBIA BANKING SYSTEM, INC. $COLB Finkelstein Mark A Director A Common Stock 3382 $0.00 31,605.0000 210,112,000 11.98% 0.00%
May 10, 2024 COLUMBIA BANKING SYSTEM, INC. $COLB Finkelstein Mark A Director A Common Stock 4183 $0.00 28,223.0000 209,370,000 17.40% 0.00%
Jan. 30, 2024 COLUMBIA BANKING SYSTEM, INC. $COLB Finkelstein Mark A Director P Common Stock 3592 $20.87 23,908.0000 208,585,000 17.68% 0.00%
May 18, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Finkelstein Mark A Director A Common Stock 4028 $0.00 20,316.0000 208,200,000 24.73% 0.00%
March 2, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Finkelstein Mark A Director A Common Stock 648 $0.00 16,288.0000 208,200,000 4.14% 0.00%
Feb. 21, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Finkelstein Mark A Director A Common 1738 $0.00 15,640.0000 129,320,962 12.50% 0.00%