| Filed On | Filing |
|---|---|
| 27 Oct 2026 |
8-K: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
This letter memorializes our understanding regarding your retirement with Columbia Bank (the “Bank”) and your service with Columbia Banking System, Inc. (“CBSI” and together with the Bank, the “Company”). |
| 22 Oct 2026 |
8-K: Results of Operations and Financial Condition; Regulation FD Disclosure
"Our third quarter performance demonstrates the benefits of consistent execution and active balance sheet management," said Clint Stein, Chairman, CEO & President. "By remaining focused on relationship-driven growth, prudent loan and dep... |
| 30 Sep 2026 |
8-K: Regulation FD Disclosure
TACOMA, Wash., Sept. 30, 2026 – Columbia Banking System, Inc. (“Columbia” Nasdaq: COLB), parent company of Columbia Bank, today announced it will release third quarter 2026 financial results on Thursday, October 22, 2026, after market cl... |
| 15 Sep 2026 |
Form 4: Machuca Luis, Director
Granted 594 Deferred Compensation Phantom Stock ($18.1K) |
| 08 Sep 2026 |
Form 4: Gardner Steven R, Director
Received 2,577 shares as a grant or award |
| 04 Sep 2026 |
Form 4: Lagomarsino Simone, Director
Received 2,670 shares as a grant or award |
| 02 Sep 2026 |
Form 3: Lagomarsino Simone, Director
Holds 32,931 shares of Common Stock |
| 18 Aug 2026 |
Form 4: Giem Judi, EVP CHRO
Received 2,393 shares by exercise or conversion ($78.2K) · Gave up 643 shares to cover exercise price or tax ($21K) |
| 14 Aug 2026 | 8-K: Other Events |
| 13 Aug 2026 | SCHEDULE 13G/A |
| 04 Aug 2026 | 10-Q |
| 30 Jul 2026 | 8-K: Departure/Election of Directors or Officers; Compensation; Regulation FD Disclosure |
| 23 Jul 2026 | 8-K: Results of Operations and Financial Condition; Regulation FD Disclosure |
| 02 Jul 2026 |
Form 4: Deer Aaron James, EVP Chief Strategy/Innov Offcr
Bought 886 shares ($22.5K) |
| 01 Jul 2026 | 8-K: Regulation FD Disclosure |
| 25 Jun 2026 | 11-K |
| 16 Jun 2026 |
Form 4: Machuca Luis, Director
Granted 563 Deferred Compensation Phantom Stock ($17.9K) |
| 16 Jun 2026 | 11-K/A |
| 10 Jun 2026 |
Form 4: Moore Devine David, EVP Chief Marketing Officer
Sold 3,872 shares ($115K) |
| 08 Jun 2026 | 144 |
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