BARUFFI KUMI YAMAMOTO 4
4 · COLUMBIA BANKING SYSTEM, INC. · Filed Feb 4, 2026
Research Summary
AI-generated summary of this filing
COLB EVP Kumi Yamamoto Receives 5,093-Share Award
What Happened
Kumi Yamamoto, EVP General Counsel and Corporate Secretary of Columbia Banking System (COLB), received 5,093 shares on Feb 2, 2026 as the vesting of performance-based restricted stock units (RSUs). The shares were valued at $29.69 each for a total grant value of $151,211. To satisfy tax withholding obligations, 2,110 of those shares (valued at $29.69 each, $62,646 total) were withheld by the company.
Key Details
- Transaction date: February 2, 2026. Report filed February 4, 2026 (appears timely).
- Award: 5,093 shares granted @ $29.69 (total $151,211) — code A (award/grant).
- Tax withholding: 2,110 shares withheld @ $29.69 (total $62,646) — code F (tax withholding/ payment).
- Shares owned after the transaction: not specified in the provided filing.
- Footnotes:
- The 5,093 shares vested under performance RSUs originally granted Feb 21, 2023, based on Columbia’s relative return on tangible common equity for fiscal years 2023–2025 versus an approved peer group.
- The 2,110-share disposition represents share withholding to satisfy the reporting person's tax withholding obligations.
Context
This was a vesting of performance-based equity, not an open-market purchase or voluntary sale. Withholding of shares to cover taxes is a routine administrative action and does not necessarily indicate a change in the insider’s view of the company.
Insider Transaction Report
- Award
Common Stock
[F1]2026-02-02$29.69/sh+5,093$151,211→ 57,216 total - Tax Payment
Common Stock
[F2]2026-02-02$29.69/sh−2,110$62,646→ 55,106 total
Footnotes (2)
- [F1]Shares granted pursuant to the terms of the performance restricted stock units granted on February 21, 2023, which vested on February 2, 2026 based on to the issuer's relative return on tangible common equity for fiscal years 2023-2025 compared to a Compensation Committee approved group of peers.
- [F2]Represents withholding of shares of common stock to satisfy the reporting person's tax withholding obligations in connection with the shares granted pursuant to the terms of the performance restricted stock units vesting.