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Finkelstein Mark A

SEC insider (Form 3/4/5 filer). CIK 0001537873. Director at COLUMBIA BANKING SYSTEM, INC. (COLB). 2 reported Form 4/5 transactions since Sep 2024; latest on May 14, 2026. Located in TACOMA, WA.

Companies Finkelstein Mark A has filed insider reports for

  • COLUMBIA BANKING SYSTEM, INC. (COLB): Director
Finkelstein Mark A profile photo

Finkelstein Mark A

CIK: 0001537873

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

COLUMBIA BANKING SYSTEM, INC. logo
COLB

COLUMBIA BANKING SYSTEM, INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (2 total)

  • COLUMBIA BANKING SYSTEM, INC. logo
    COLB

    COLUMBIA BANKING SYSTEM, INC.

    May 14, 2026
    Award
    Direct
    3.9K shares-
  • COLUMBIA BANKING SYSTEM, INC. logo
    COLB

    COLUMBIA BANKING SYSTEM, INC.

    May 15, 2025
    Award
    Direct
    3.4K shares-

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