COLB insider transaction filings
COLUMBIA BANKING SYSTEM, INC. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-15. Screen COLB transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 5 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing by 1 insider — 886 shares, $22,478 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 6.
- Largest priced transaction: purchase of 886 shares @ $25.37 ($22,478) by Deer Aaron James, filed 2026-07-02.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Deer Aaron James — EVP Chief Strategy/Innov Offcr | 1 | 1 leg · 886 sh · $22,478 | — | — |
| Giem Judi — EVP CHRO | 1 | — | — | 3 |
| GARDNER STEVEN R — Director | 1 | — | — | 1 |
| LAGOMARSINO SIMONE — Director | 1 | — | — | 1 |
| MACHUCA LUIS — Director | 1 | — | — | 1 |
Recent Form 4 filings — COLUMBIA BANKING SYSTEM, INC.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-15 | 4 | MACHUCA LUIS — Director | Grant/award (A): 594 (derivative) @ $30.48 | EDGAR |
| 2026-09-08 | 4 | GARDNER STEVEN R — Director | Grant/award (A): 2,577 @ $0 | EDGAR |
| 2026-09-04 | 4 | LAGOMARSINO SIMONE — Director | Grant/award (A): 2,670 @ $0 | EDGAR |
| 2026-08-18 | 4 | Giem Judi — EVP CHRO | Option exercise (M): 2,393 @ $32.69 · Tax withholding (F): 643 @ $32.69 · Option exercise (M): 2,393 (derivative) | EDGAR |
| 2026-07-02 | 4 | Deer Aaron James — EVP Chief Strategy/Innov Offcr | Purchase (P): 886 @ $25.37 | EDGAR |
| 2026-06-16 | 4 | MACHUCA LUIS — Director | Grant/award (A): 563 (derivative) @ $31.78 | EDGAR |
| 2026-06-10 | 4 | Moore Devine David — EVP Chief Marketing Officer | Sale (S): 60 @ $29.77 · Sale (S): 3,812 @ $29.77 | EDGAR |
| 2026-05-18 | 4 | Varnado Anddria — Director | Grant/award (A): 3,949 @ $0 | EDGAR |
| 2026-05-18 | 4 | Lund Randal Lee — Director | Grant/award (A): 3,949 @ $0 | EDGAR |
| 2026-05-18 | 4 | Forrest Eric — Director | Grant/award (A): 3,949 @ $0 | EDGAR |
| 2026-05-18 | 4 | SEATON ELIZABETH WHITEHEAD — Director | Grant/award (A): 3,949 @ $0 | EDGAR |
| 2026-05-18 | 4 | SCHULTZ JOHN F — Director | Grant/award (A): 3,949 @ $0 | EDGAR |
| 2026-05-18 | 4 | Finkelstein Mark A — Director | Grant/award (A): 3,949 @ $0 | EDGAR |
| 2026-05-18 | 4 | Terry Hilliard C. III — Director | Grant/award (A): 3,949 @ $0 | EDGAR |
| 2026-05-18 | 4 | MITCHELL M CHRISTIAN — Director | Grant/award (A): 3,949 @ $0 | EDGAR |
| 2026-05-18 | 4 | STUDENMUND JAYNIE M — Director | Grant/award (A): 3,949 @ $0 | EDGAR |
| 2026-05-18 | 4 | MACHUCA LUIS — Director | Grant/award (A): 3,949 @ $0 | EDGAR |
| 2026-04-16 | 4 | Lakely Brock — EVP, Chief Accounting Officer | Tax withholding (F): 396 @ $29.10 | EDGAR |
| 2026-03-20 | 4/A | Lakely Brock — EVP, Chief Accounting Officer | Tax withholding (F): 211 @ $26.23 | EDGAR |
| 2026-03-20 | 4/A | BARUFFI KUMI YAMAMOTO — EVP General Counsel, Corp Sec | Tax withholding (F): 937 @ $26.23 | EDGAR |
| 2026-03-17 | 4 | Anderson Drew K — EVP Chief Admin Officer | Option exercise (M): 2,506 @ $26.23 · Tax withholding (F): 1,215 @ $26.23 · Option exercise (M): 2,506 (derivative) @ $0 | EDGAR |
| 2026-03-17 | 4 | Deer Aaron James — EVP Chief Strategy/Innov Offcr | Option exercise (M): 1,567 @ $26.23 · Tax withholding (F): 617 @ $26.23 · Option exercise (M): 1,567 (derivative) @ $0 | EDGAR |
| 2026-03-17 | 4 | Moore Devine David — EVP Chief Marketing Officer | Option exercise (M): 940 @ $26.23 · Tax withholding (F): 376 @ $26.23 · Option exercise (M): 940 (derivative) @ $0 | EDGAR |
| 2026-03-17 | 4 | Merrywell Christopher — Senior Executive VP | Option exercise (M): 5,013 @ $26.23 · Tax withholding (F): 1,973 @ $26.23 · Option exercise (M): 5,013 (derivative) @ $0 | EDGAR |
| 2026-03-17 | 4 | Namdar Frank — EVP Chief Credit Officer | Option exercise (M): 2,820 @ $26.23 · Tax withholding (F): 1,367 @ $26.23 · Option exercise (M): 2,820 (derivative) @ $0 | EDGAR |
| 2026-03-17 | 4 | Lakely Brock — EVP, Chief Accounting Officer | Option exercise (M): 846 @ $26.23 · Sale (S): 211 @ $26.23 · Option exercise (M): 846 (derivative) @ $0 | EDGAR |
| 2026-03-17 | 4 | Nixon Torran B — Senior Executive VP | Option exercise (M): 5,013 @ $26.23 · Tax withholding (F): 2,002 @ $26.23 · Option exercise (M): 5,013 (derivative) @ $0 | EDGAR |
| 2026-03-17 | 4 | BARUFFI KUMI YAMAMOTO — EVP General Counsel, Corp Sec | Option exercise (M): 2,381 @ $26.23 · Sale (S): 937 @ $26.23 · Option exercise (M): 2,381 (derivative) @ $0 | EDGAR |
| 2026-03-17 | 4 | OGNALL ANDREW H — EVP Chief Risk Officer | Option exercise (M): 2,381 @ $26.23 · Tax withholding (F): 951 @ $26.23 · Option exercise (M): 2,381 (derivative) @ $0 | EDGAR |
| 2026-03-17 | 4 | Stein Clint — Chair, CEO, President, Director | Option exercise (M): 18,171 @ $26.23 · Tax withholding (F): 7,151 @ $26.23 · Option exercise (M): 18,171 (derivative) @ $0 | EDGAR |
| 2026-03-17 | 4 | MACHUCA LUIS — Director | Grant/award (A): 659 (derivative) @ $26.83 | EDGAR |
| 2026-03-05 | 4 | Nixon Torran B — Senior Executive VP | Sale (S): 2,241 @ $28.25 · Sale (S): 2,240 @ $28.85 | EDGAR |
| 2026-03-02 | 4 | Anderson Drew K — EVP Chief Admin Officer | Tax withholding (F): 1,808 @ $28.45 | EDGAR |
| 2026-03-02 | 4 | Deer Aaron James — EVP Chief Strategy/Innov Offcr | Tax withholding (F): 918 @ $28.45 | EDGAR |
| 2026-03-02 | 4 | Moore Devine David — EVP Chief Marketing Officer | Tax withholding (F): 838 @ $28.45 | EDGAR |
| 2026-03-02 | 4 | Merrywell Christopher — Senior Executive VP | Tax withholding (F): 3,230 @ $28.45 | EDGAR |
| 2026-03-02 | 4 | Namdar Frank — EVP Chief Credit Officer | Tax withholding (F): 1,808 @ $28.45 | EDGAR |
| 2026-03-02 | 4 | Lakely Brock — EVP, Chief Accounting Officer | Tax withholding (F): 391 @ $28.45 | EDGAR |
| 2026-03-02 | 4 | Nixon Torran B — Senior Executive VP | Tax withholding (F): 2,980 @ $28.45 | EDGAR |
| 2026-03-02 | 4 | BARUFFI KUMI YAMAMOTO — EVP General Counsel, Corp Sec | Tax withholding (F): 1,799 @ $28.45 | EDGAR |
| 2026-03-02 | 4 | OGNALL ANDREW H — EVP Chief Risk Officer | Tax withholding (F): 1,304 @ $28.45 | EDGAR |
| 2026-03-02 | 4 | Stein Clint — Chair, President, CEO, Director | Tax withholding (F): 9,789 @ $28.45 | EDGAR |
| 2026-02-20 | 4 | Moore Devine David — EVP Chief Marketing Officer | Grant/award (A): 2,800 (derivative) @ $31.24 | EDGAR |
| 2026-02-20 | 4 | Merrywell Christopher — Senior Executive VP | Grant/award (A): 16,645 (derivative) @ $31.24 | EDGAR |
| 2026-02-20 | 4 | Namdar Frank — EVP Chief Credit Officer | Grant/award (A): 8,002 (derivative) @ $31.24 | EDGAR |
| 2026-02-20 | 4 | Lakely Brock — EVP, Chief Accounting Officer | Grant/award (A): 5,601 (derivative) @ $31.24 | EDGAR |
| 2026-02-20 | 4 | Nixon Torran B — Senior Executive VP | Grant/award (A): 16,645 (derivative) @ $31.24 | EDGAR |
| 2026-02-20 | 4 | BARUFFI KUMI YAMAMOTO — EVP General Counsel, Corp Sec | Grant/award (A): 8,322 (derivative) @ $31.24 | EDGAR |
| 2026-02-20 | 4 | OGNALL ANDREW H — EVP Chief Risk Officer | Grant/award (A): 8,002 (derivative) @ $31.24 | EDGAR |
| 2026-02-20 | 4 | Stein Clint — Chair, President, CEO, Director | Grant/award (A): 56,017 (derivative) @ $31.24 | EDGAR |
Recent 8-K events — COLUMBIA BANKING SYSTEM, INC.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-14 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-30 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-23 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-01 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-15 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-15 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-23 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-31 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-13 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-22 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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