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COLB · Columbia Banking System, Inc. · Proposed Sales

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$28.92 +0.19 (+0.66%) At close · Oct 2
S&P 400 member Russell 1000 member Rebalance outlook locked
Market Cap
$8.13B
Shares
282.90M
Volume · Oct 2 2.38M Avg daily vol (3M) 2.88M

Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.

Filed Seller Shares
2026-06-08 Moore Devine David 3,872
2026-03-04 Nixon Torran B 2,240
2026-03-03 Nixon Torran B 2,241
2026-01-30 GARDNER STEVEN R 13,725
2025-03-04 Nixon Torran B 4,481
Showing 1–5 of 5 filings
Key facts CIK 887343 CUSIP 197236102 13F (30d) 13 filings 11 filers Visit website Investor relations