Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 56 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 28, 2025 COLB F 1,285 $26.73 $34,348 35,110 Direct -3.53% Disposed 7.9% (price as of 2026-10-05)
Feb. 25, 2025 COLB A 3,195 $26.60 $84,987 16,182 Direct +24.60% Acquired 8.4% (price as of 2026-10-05)
Feb. 25, 2025 COLB A 3,195 $26.60 $84,987 12,987 Direct +32.63% Acquired 8.4% (price as of 2026-10-05)
Feb. 25, 2025 COLB A 6,390 $26.60 $169,974 6,390 Direct · Acquired 8.4% (price as of 2026-10-05)
Feb. 14, 2025 COLB F 640 $27.41 $17,542 36,395 Direct -1.73% Disposed 5.2% (price as of 2026-10-05)
Feb. 14, 2025 COLB F 363 $27.41 $9,950 37,035 Direct -0.97% Disposed 5.2% (price as of 2026-10-05)
Feb. 14, 2025 COLB A 921 $27.41 $25,245 37,398 Direct +2.52% Acquired 5.2% (price as of 2026-10-05)
Jan. 1, 2025 COLB F 701 $27.01 $18,934 36,477 Direct -1.89% Disposed 6.8% (price as of 2026-10-05)
Jan. 1, 2025 COLB F 626 $27.01 $16,908 37,178 Direct -1.66% Disposed 6.8% (price as of 2026-10-05)
March 1, 2024 COLB A 4,896 $17.87 $87,492 9,792 Direct +100.00% Acquired 61.4% (price as of 2026-10-05)
March 1, 2024 COLB A 4,896 $17.87 $87,492 4,896 Direct · Acquired 61.4% (price as of 2026-10-05)
March 1, 2024 COLB A 9,792 $17.87 $174,983 37,804 Direct +34.96% Acquired 61.4% (price as of 2026-10-05)
Feb. 15, 2024 COLB F 735 $19.01 $13,972 28,012 Direct -2.56% Disposed 51.7% (price as of 2026-10-05)
Feb. 15, 2024 COLB F 417 $19.01 $7,927 28,747 Direct -1.43% Disposed 51.7% (price as of 2026-10-05)
Feb. 15, 2024 COLB A 921 $19.01 $17,508 29,164 Direct +3.26% Acquired 51.7% (price as of 2026-10-05)
Feb. 15, 2024 COLB F 286 $19.01 $5,437 28,243 Direct -1.00% Disposed 51.7% (price as of 2026-10-05)
Feb. 15, 2024 COLB A 633 $19.01 $12,033 28,529 Direct +2.27% Acquired 51.7% (price as of 2026-10-05)
Jan. 1, 2024 COLB F 434 $26.68 $11,579 27,896 Direct -1.53% Disposed 8.1% (price as of 2026-10-05)
Jan. 1, 2024 COLB F 434 $26.68 $11,579 28,330 Direct -1.51% Disposed 8.1% (price as of 2026-10-05)
March 27, 2023 COLB F 507 $20.81 $10,551 28,764 Direct -1.73% Disposed 38.6% (price as of 2026-10-05)
Feb. 28, 2023 COLB A 1,380 · · 29,271 Direct +4.95% Acquired (price as of 2026-10-05)
Feb. 28, 2023 COLB A 1,546 · · 27,891 Direct +5.87% Acquired (price as of 2026-10-05)
Feb. 28, 2023 COLB A 960 · · 26,345 Direct +3.78% Acquired (price as of 2026-10-05)
Feb. 28, 2023 COLB A 960 · · 25,385 Direct +3.93% Acquired (price as of 2026-10-05)
Feb. 21, 2023 COLB A 2,437 · · 24,423 Direct +11.08% Acquired (price as of 2026-10-05)
Feb. 21, 2023 COLB A 4,874 · · 21,986 Direct +28.48% Acquired (price as of 2026-10-05)
Feb. 21, 2023 COLB F 607 $30.77 $18,677 17,112 Direct -3.43% Disposed -6.3% (price as of 2026-10-05)
Feb. 21, 2023 COLB A 1,389 · · 17,719 Direct +8.51% Acquired (price as of 2026-10-05)
Feb. 15, 2023 COLB F 412 $32.05 $13,205 16,330 Direct -2.46% Disposed -10.0% (price as of 2026-10-05)
Feb. 15, 2023 COLB A 921 $32.05 $29,518 16,742 Direct +5.82% Acquired -10.0% (price as of 2026-10-05)
Feb. 15, 2023 COLB F 283 $32.05 $9,070 15,821 Direct -1.76% Disposed -10.0% (price as of 2026-10-05)
Feb. 15, 2023 COLB A 633 $32.05 $20,288 16,104 Direct +4.09% Acquired -10.0% (price as of 2026-10-05)
Feb. 15, 2023 COLB F 366 $32.05 $11,730 15,471 Direct -2.31% Disposed -10.0% (price as of 2026-10-05)
Feb. 15, 2023 COLB A 819 $32.05 $26,249 15,837 Direct +5.45% Acquired -10.0% (price as of 2026-10-05)
March 25, 2022 COLB F 304 $34.07 $10,357 15,018 Direct -1.98% Disposed -15.4% (price as of 2026-10-05)
March 25, 2022 COLB F 188 $34.07 $6,405 15,134 Direct -1.23% Disposed -15.4% (price as of 2026-10-05)
March 7, 2022 COLB F 647 $32.72 $21,170 15,322 Direct -4.05% Disposed -11.9% (price as of 2026-10-05)
March 7, 2022 COLB A 1,592 $32.72 $52,090 15,969 Direct +11.07% Acquired -11.9% (price as of 2026-10-05)
Feb. 28, 2022 COLB F 365 $36.63 $13,370 14,377 Direct -2.48% Disposed -21.3% (price as of 2026-10-05)
Feb. 15, 2022 COLB A 348 $36.75 $12,789 14,742 Direct +2.42% Acquired -21.5% (price as of 2026-10-05)
Feb. 15, 2022 COLB A 450 $36.75 $16,538 14,394 Direct +3.23% Acquired -21.5% (price as of 2026-10-05)
March 26, 2021 COLB F 126 $45.11 $5,684 13,944 Direct -0.90% Disposed -36.1% (price as of 2026-10-05)
March 18, 2021 COLB F 489 $35.90 $17,555 14,070 Direct -3.36% Disposed -19.7% (price as of 2026-10-05)
March 18, 2021 COLB A 2,001 · · 14,559 Direct +15.93% Acquired (price as of 2026-10-05)
Feb. 26, 2021 COLB F 145 $44.29 $6,422 12,558 Direct -1.14% Disposed -34.9% (price as of 2026-10-05)
Feb. 22, 2021 COLB F 202 $45.93 $9,278 12,703 Direct -1.57% Disposed -37.2% (price as of 2026-10-05)
Feb. 15, 2021 COLB A 592 $43.09 $25,509 12,905 Direct +4.81% Acquired -33.1% (price as of 2026-10-05)
Feb. 28, 2020 COLB F 97 $33.20 $3,220 12,313 Direct -0.78% Disposed -13.1% (price as of 2026-10-05)
Feb. 24, 2020 COLB F 297 $37.48 $11,132 12,410 Direct -2.34% Disposed -23.1% (price as of 2026-10-05)
Feb. 21, 2020 COLB F 121 $38.69 $4,681 12,707 Direct -0.94% Disposed -25.5% (price as of 2026-10-05)
March 27, 2019 COLB A 2,575 $32.01 $82,426 12,828 Direct +25.11% Acquired -9.9% (price as of 2026-10-05)
March 26, 2019 COLB M 757 $9.91 $7,502 0 Direct -100.00% Disposed 191.0% (price as of 2026-10-05)
March 26, 2019 COLB M 757 $9.91 $7,502 10,253 Direct +7.97% Acquired 191.0% (price as of 2026-10-05)
Feb. 25, 2019 COLB F 297 $37.97 $11,277 9,496 Direct -3.03% Disposed -24.0% (price as of 2026-10-05)
Feb. 22, 2019 COLB F 259 $38.32 $9,925 9,793 Direct -2.58% Disposed -24.7% (price as of 2026-10-05)
March 28, 2018 COLB A 115 $42.01 $4,831 10,052 Direct +1.16% Acquired -31.3% (price as of 2026-10-05)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Feb. 25, 2025 COLB Performance Restricted Stock Unit Common Stock (3,195) · · 3,195 Acquired
Feb. 25, 2025 COLB Performance Restricted Stock Unit Common Stock (3,195) · · 3,195 Acquired
Feb. 25, 2025 COLB Restricted Stock Unit Common Stock (6,390) · · 6,390 Acquired
March 1, 2024 COLB Performance Restricted Stock Unit Common Stock (4,896) · · 4,896 Acquired
March 1, 2024 COLB Performance Restricted Stock Unit Common Stock (4,896) · · 4,896 Acquired
March 26, 2019 COLB Common Common (757) $9.91 April 26, 2019 757 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 3 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
March 15, 2018 COLB Common 9,937 Direct
March 15, 2018 COLB Common→ Common (757) 757 Direct
March 15, 2018 COLB Common→ Common (256) 256 Direct