COLUMBIA BANKING SYSTEM, INC. - COLB

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
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Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
Oct 30, 2026 — S D 2,253.0 31.245 70,394.99 2,577.0 View
Oct 30, 2026 — S D 322.0 31.24 10,059.28 4,830.0 View
Oct 30, 2026 — S D 2,151.0 31.235 67,186.49 5,152.0 View
Oct 30, 2026 — S D 200.0 31.23 6,246.0 7,303.0 View
Oct 30, 2026 — S D 5,012.0 31.225 156,499.7 7,503.0 View
Oct 30, 2026 — S D 100.0 31.22 3,122.0 12,515.0 View
Oct 30, 2026 — S D 484.0 31.215 15,108.06 12,615.0 View
Sep 15, 2026 — A A 594.0 30.48 18,105.12 49,560.0 View
Sep 08, 2026 — A A 2,577.0 0.0 0.0 2,577.0 View
Sep 04, 2026 — A A 2,670.0 0.0 0.0 2,670.0 View
Aug 18, 2026 EVP CHRO M D 2,393.0 — — 13,108.0 View
Aug 18, 2026 EVP CHRO F D 643.0 32.69 21,019.67 1,750.0 View
Aug 18, 2026 EVP CHRO M A 2,393.0 32.69 78,227.17 2,393.0 View
Jul 02, 2026 EVP Chief Strategy/Innov Offcr P A 886.0 25.37 22,477.82 42,761.0 View
Jun 16, 2026 — A A 563.0 31.78 17,892.14 48,966.0 View
Jun 10, 2026 EVP Chief Marketing Officer S D 3,812.0 29.775 113,502.3 18,636.0 View
Jun 10, 2026 EVP Chief Marketing Officer S D 60.0 29.77 1,786.2 22,448.0 View
May 18, 2026 — A A 3,949.0 0.0 0.0 55,514.0 View
May 18, 2026 — A A 3,949.0 0.0 0.0 21,807.0 View
May 18, 2026 — A A 3,949.0 0.0 0.0 3,949.0 View
May 18, 2026 — A A 3,949.0 0.0 0.0 30,894.0 View
May 18, 2026 — A A 3,949.0 0.0 0.0 50,384.0 View
May 18, 2026 — A A 3,949.0 0.0 0.0 41,909.0 View
May 18, 2026 — A A 3,949.0 0.0 0.0 29,953.0 View
May 18, 2026 — A A 3,949.0 0.0 0.0 27,663.0 View
May 18, 2026 — A A 3,949.0 0.0 0.0 36,351.0 View
May 18, 2026 — A A 3,949.0 0.0 0.0 35,554.0 View