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AI brief of an SEC Form 8-K · Columbia Banking System (COLB)

Columbia Banking System names Ivan Seda CFO, effective Dec. 31; Farnsworth steps down

Neutral Impact 4 of 5 leadership Written later

Columbia Banking System, Inc. (Nasdaq: COLB) said Ivan Seda will succeed Ronald L. Farnsworth as chief financial officer effective December 31, 2025. Farnsworth will serve as a senior advisor through June 1, 2026, and the filing discloses the pay terms for both executives, including payments due to Farnsworth on his separation date.

Key points

  • Ivan Seda, Deputy CFO since August 2025, becomes CFO effective December 31, 2025.
  • Seda's base salary is $550,000, with a target annual incentive of 85% of base salary and a performance stock unit grant valued at $750,000 that cliff vests after three years.
  • Farnsworth ceases to be CFO on December 31, 2025, and his advisor role runs through June 1, 2026.
  • On separation, Farnsworth is due cash severance, a lump sum equal to 18 months of company benefit contributions, and a lump sum tied to 62,572 target equity shares at the closing share price.

The filing

CompanyColumbia Banking System (COLB)
Form8-K, current report
Filed with the SECNov 4, 2025, 4:02 PM ET
Accession number0001193125-25-264630

Items reported: 5.02 Director / Officer Change7.01 Regulation FD Disclosure

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 1:17 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on November 04, 2025.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.