InsidersTradesSigma
Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
1
Disclosed sells
0
T+90 hit rate
20%
T+90 mean return
-1.4%
Across 5 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the complete record of transactions filed by Finkelstein Mark A, Director. Insider active across 2 companies, notably Columbia Banking System, INC.. Cumulatively, 9 reports have been published. Split: 1 buy · 0 sell. Total volume traded: €69k. Activity tracked since 26 May 2021. The latest transaction was filed on 15 May 2025 (Attribution). Regulator: SEC (Form 4). The full history is openly available.
Declarations9 total
3,382 shares0Common StockSEC:0000887343-25-000194:0
4,183 shares0Common StockSEC:0000887343-24-000205:0
3,592 shares@ US$20.87100.0% of flowCommon StockSEC:0000887343-24-000032:0
Ideal exit: 26 Oct 2024 (T+270)
4,028 shares0Common StockSEC:0000887343-23-000242:0
648 shares0Common StockSEC:0000887343-23-000136:0
1,738 shares0CommonSEC:0000887343-23-000044:0
1,669 shares0CommonSEC:0000887343-21-000128:0
1,669 shares0CommonSEC:0000887343-21-000128
21,406 sharesCommon StockSEC:0001537873-16-000005:0
9 of 9 declarations
About Finkelstein Mark A
Mark A. Finkelstein is a Board Member at COLUMBIA BANKING SYSTEM, INC. He brings valuable expertise in the banking sector, contributing to the strategy and governance of the company. His role includes evaluating operational performance and guiding growth initiatives. He is committed to supporting innovation and improving banking services.
