CIK 0000887343 · Large accelerated filer
COLUMBIA BANKING SYSTEM, INC.
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- COLB
- Exchange
- Nasdaq
- Industry
- State Commercial Banks
- FY end
- Dec 31
- Incorporated
- WA
- Entity type
- operating
- EIN
- 911422237
- Phone
- 2533051900
- Business address
- 1301 A STREET, TACOMA, WA, 98402
- Former names
- COLUMBIA BANKING SYSTEM INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $328,617
- in 1 filing
Net −$328,617. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-10-29 | GARDNER STEVEN R Director | Sale | −484 | $31.22 | $15K | 12,615 |
| 2026-10-29 | GARDNER STEVEN R Director | Sale | −100 | $31.22 | $3K | 12,515 |
| 2026-10-29 | GARDNER STEVEN R Director | Sale | −5,012 | $31.23 | $156K | 7,503 |
| 2026-10-29 | GARDNER STEVEN R Director | Sale | −200 | $31.23 | $6K | 7,303 |
| 2026-10-29 | GARDNER STEVEN R Director | Sale | −2,151 | $31.24 | $67K | 5,152 |
| 2026-10-29 | GARDNER STEVEN R Director | Sale | −322 | $31.24 | $10K | 4,830 |
| 2026-10-29 | GARDNER STEVEN R Director | Sale | −2,253 | $31.25 | $70K | 2,577 |
| 2026-09-14 | MACHUCA LUIS Director | Grant or award · Deferred Compensation Phantom Stock | +594 | $30.48 | $18K | 49,560 |
| 2026-09-04 | GARDNER STEVEN R Director | Grant or award | +2,577 | 2,577 | ||
| 2026-09-02 | LAGOMARSINO SIMONE Director | Grant or award | +2,670 | 2,670 | ||
| 2026-08-14 | Giem Judi EVP CHRO | Option exercise | +2,393 | $32.69 | $78K | 2,393 |
| 2026-08-14 | Giem Judi EVP CHRO | Shares withheld for taxes | −643 | $32.69 | $21K | 1,750 |
| 2026-08-14 | Giem Judi EVP CHRO | Option exercise · Restricted Stock Unit | −2,393 | 13,108 | ||
| 2026-06-30 | Deer Aaron James EVP Chief Strategy/Innov Offcr | Purchase | +886 | $25.37 | $22K | 42,761 |
| 2026-06-15 | MACHUCA LUIS Director | Grant or award · Deferred Compensation Phantom Stock | +563 | $31.78 | $18K | 48,966 |
| 2026-06-08 | Moore Devine David EVP Chief Marketing Officer | Sale | −60 | $29.77 | $2K | 22,448 |
| 2026-06-08 | Moore Devine David EVP Chief Marketing Officer | Sale | −3,812 | $29.78 | $114K | 18,636 |
| 2026-05-14 | Lund Randal Lee Director | Grant or award | +3,949 | 27,663 | ||
| 2026-05-14 | Forrest Eric Director | Grant or award | +3,949 | 36,351 | ||
| 2026-05-14 | SEATON ELIZABETH WHITEHEAD Director | Grant or award | +3,949 | 3,949 |
Page 1 of 8 · 159 trades