BARUFFI KUMI YAMAMOTO
SEC insider (Form 3/4/5 filer). CIK 0001619728. EVP General Counsel, Corp Sec at COLUMBIA BANKING SYSTEM, INC. (COLB). 19 reported Form 4/5 transactions since Sep 2024; latest on Mar 13, 2026. Located in TACOMA, WA.
Companies BARUFFI KUMI YAMAMOTO has filed insider reports for
- COLUMBIA BANKING SYSTEM, INC. (COLB): Officer, EVP General Counsel, Corp Sec
BARUFFI KUMI YAMAMOTO
CIK: 0001619728
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
COLUMBIA BANKING SYSTEM, INC.
Discretionary Trading P&L
Holdings
Transaction History (19 total)
- Mar 13, 2026COLB
COLUMBIA BANKING SYSTEM, INC.
Tax PaymentDirect937 shares at avg. $26.23$25K - Mar 13, 2026COLB
COLUMBIA BANKING SYSTEM, INC.
SaleDirect937 shares at avg. $26.23$25K - Mar 13, 2026COLB
COLUMBIA BANKING SYSTEM, INC.
ExerciseDirect2.4K shares at avg. $26.23$62K - Mar 1, 2026COLB
COLUMBIA BANKING SYSTEM, INC.
Tax PaymentDirect1.8K shares at avg. $28.45$51K - Feb 18, 2026COLB
COLUMBIA BANKING SYSTEM, INC.
AwardDirectRestricted Stock Unit
8.3K shares at avg. $31.24- - Feb 15, 2026COLB
COLUMBIA BANKING SYSTEM, INC.
Tax PaymentDirect1K shares at avg. $31.49$33K - Feb 2, 2026COLB
COLUMBIA BANKING SYSTEM, INC.
Tax PaymentDirect2.1K shares at avg. $29.69$63K - Feb 2, 2026COLB
COLUMBIA BANKING SYSTEM, INC.
AwardDirect5.1K shares at avg. $29.69$151K - Jan 20, 2026COLB
COLUMBIA BANKING SYSTEM, INC.
DispositionDirect632 shares- - Jan 20, 2026COLB
COLUMBIA BANKING SYSTEM, INC.
Tax PaymentDirect1.5K shares at avg. $28.35$43K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 13, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | Tax Payment | 937 | $26.23 | $24,578 | Direct |
| Mar 13, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | Sale | 937 | $26.23 | $24,578 | Direct |
| Mar 13, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | Exercise | 2,381 | $26.23 | $62,454 | Direct |
| Mar 1, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | Tax Payment | 1,799 | $28.45 | $51,182 | Direct |
| Feb 18, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | Award Restricted Stock Unit | 8,322 | $31.24 | - | Direct |
| Feb 15, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | Tax Payment | 1,036 | $31.49 | $32,624 | Direct |
| Feb 2, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | Tax Payment | 2,110 | $29.69 | $62,646 | Direct |
| Feb 2, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | Award | 5,093 | $29.69 | $151,211 | Direct |
| Jan 20, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | Disposition | 632 | - | $0 | Direct |
| Jan 20, 2026 | COLB COLUMBIA BANKING SYSTEM, INC. | Tax Payment | 1,508 | $28.35 | $42,752 | Direct |
1-10 of 19 transactions