SEC Insider Transactions from Stein Clint.

Last updated: 2026-03-18 13:02 UTC | Total transactions: 52

Stein Clint has filed 52 insider transactions across 1 company since February 2023.

Most recent transaction: a option exercise of 18171 shares of COLUMBIA BANKING SYSTEM, INC. ($COLB) on March 13, 2026.

Activity breakdown: 3 open-market purchases 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
March 13, 2026 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint Chair, CEO, President M Restricted Stock Unit 18171 $0.00 166,984.0000 299,147,000 9.81% 0.01%
March 13, 2026 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint Chair, CEO, President M Common Stock 18171 $26.23 158,735.0000 299,147,000 12.93% 0.01%
March 13, 2026 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint Chair, CEO, President F Common Stock 7151 $26.23 151,584.0000 299,147,000 4.50% 0.00%
March 1, 2026 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint Chair, President, CEO F Common Stock 9789 $28.45 140,564.0000 299,147,000 6.51% 0.00%
Feb. 18, 2026 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint Chair, President, CEO A Restricted Stock Unit 56017 $31.24 185,155.0000 299,147,000 43.38% 0.02%
Feb. 15, 2026 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint Chair, President, CEO F Common Stock 3922 $31.49 150,353.0000 299,147,000 2.54% 0.00%
Feb. 2, 2026 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint Chair, President, CEO A Common Stock 28927 $29.69 152,323.0000 299,147,000 23.44% 0.01%
Feb. 2, 2026 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint Chair, President, CEO F Common Stock 11383 $29.69 140,940.0000 299,147,000 7.47% 0.00%
Feb. 2, 2026 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint Chair, President, CEO A Common Stock 21988 $29.69 162,928.0000 299,147,000 15.60% 0.01%
Feb. 2, 2026 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint Chair, President, CEO F Common Stock 8653 $29.69 154,275.0000 299,147,000 5.31% 0.00%
Jan. 20, 2026 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint Chair, President, CEO F Common Stock 5635 $28.35 123,396.0000 299,147,000 4.37% 0.00%
Jan. 20, 2026 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint Chair, President, CEO F Common Stock 7615 $28.35 131,758.0000 299,147,000 5.46% 0.00%
Jan. 20, 2026 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint Chair, President, CEO D Common Stock 3588 $0.00 139,373.0000 299,147,000 2.51% 0.00%
Jan. 20, 2026 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint Chair, President, CEO D Common Stock 2727 $0.00 129,031.0000 299,147,000 2.07% 0.00%
Feb. 28, 2025 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO F Common Stock 9789 $26.73 142,961.0000 209,536,323 6.41% 0.00%
Feb. 25, 2025 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Performance Restricted Stock Unit 40883 $26.60 193,706.0000 209,536,323 26.75% 0.02%
Feb. 25, 2025 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Restricted Stock Unit 54511 $26.60 129,138.0000 209,536,323 73.04% 0.03%
Feb. 25, 2025 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Performance Restricted Stock Unit 40883 $26.60 152,823.0000 209,536,323 36.52% 0.02%
Feb. 14, 2025 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Common Stock 4759 $27.41 158,545.0000 209,536,323 3.09% 0.00%
Feb. 14, 2025 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO F Common Stock 1873 $27.41 156,672.0000 209,536,323 1.18% 0.00%
Feb. 14, 2025 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO F Common Stock 3922 $27.41 152,750.0000 209,536,323 2.50% 0.00%
Jan. 1, 2025 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO F Common Stock 6063 $27.01 160,151.0000 209,536,323 3.65% 0.00%
Jan. 1, 2025 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO F Common Stock 6365 $27.01 153,786.0000 209,536,323 3.97% 0.00%
March 1, 2024 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Restricted Stock Unit 74627 $17.87 74,627.0000 208,585,000 9999.99% 0.04%
March 1, 2024 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Performance Restricted Stock Unit 55970 $17.87 111,940.0000 208,585,000 100.00% 0.03%
March 1, 2024 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Performance Restricted Stock Unit 55970 $17.87 55,970.0000 208,585,000 9999.99% 0.03%
Feb. 15, 2024 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO F Common Stock 1873 $19.01 170,137.0000 208,585,000 1.09% 0.00%
Feb. 15, 2024 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO F Common Stock 3923 $19.01 166,214.0000 208,585,000 2.31% 0.00%
Feb. 15, 2024 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Common Stock 4759 $19.01 172,010.0000 208,585,000 2.85% 0.00%
Feb. 15, 2024 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO F Common Stock 1018 $19.01 167,251.0000 208,585,000 0.60% 0.00%
Feb. 15, 2024 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Common Stock 2585 $19.01 168,269.0000 208,585,000 1.56% 0.00%
Jan. 30, 2024 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO P Common Stock 1510 $20.96 157,694.0000 208,585,000 0.97% 0.00%
Jan. 30, 2024 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO P Common Stock 100 $20.96 165,684.0000 208,585,000 0.06% 0.00%
Jan. 30, 2024 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO P Common Stock 7890 $20.96 165,584.0000 208,585,000 5.00% 0.00%
Jan. 1, 2024 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO F Common Stock 3451 $26.68 159,277.0000 208,585,000 2.12% 0.00%
Jan. 1, 2024 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO F Common Stock 3093 $26.68 156,184.0000 208,585,000 1.94% 0.00%
March 27, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President and CEO F Common Stock 899 $20.81 162,728.0000 208,200,000 0.55% 0.00%
March 14, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President and CEO A Common Stock 17046 $0.00 163,627.0000 208,200,000 11.63% 0.01%
Feb. 28, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Common Stock 14440 $0.00 146,581.0000 129,320,962 10.93% 0.01%
Feb. 28, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Common Stock 7860 $0.00 108,108.0000 129,320,962 7.84% 0.01%
Feb. 28, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Common Stock 7860 $0.00 115,968.0000 129,320,962 7.27% 0.01%
Feb. 28, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Common Stock 16173 $0.00 132,141.0000 129,320,962 13.95% 0.01%
Feb. 21, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO F Common Stock 4066 $30.77 47,762.0000 129,320,962 7.85% 0.00%
Feb. 21, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Common Stock 10332 $0.00 51,828.0000 129,320,962 24.90% 0.01%
Feb. 21, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Common Stock 22424 $0.00 100,085.0000 129,320,962 28.87% 0.02%
Feb. 21, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Common Stock 29899 $0.00 77,661.0000 129,320,962 62.60% 0.02%
Feb. 15, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO F Common Stock 1982 $32.05 41,496.0000 129,320,962 4.56% 0.00%
Feb. 15, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Common Stock 2585 $32.05 39,735.0000 129,320,962 6.96% 0.00%
Feb. 15, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO F Common Stock 1018 $32.05 38,717.0000 129,320,962 2.56% 0.00%
Feb. 15, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO F Common Stock 1234 $32.05 37,150.0000 129,320,962 3.21% 0.00%
Feb. 15, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Common Stock 3134 $32.05 38,384.0000 129,320,962 8.89% 0.00%
Feb. 15, 2023 COLUMBIA BANKING SYSTEM, INC. $COLB Stein Clint President, CEO A Common Stock 4761 $32.05 43,478.0000 129,320,962 12.30% 0.00%