Arkolith/Insider Trading/COLB/Form 4

Nixon Torran B

Senior Executive VPCOLUMBIA BANKING SYSTEM, INC. (COLB) · full profile →Form 4 · filed Mar 5, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$128K
Net Open-Market Flow
-$128K
Transactions
2
2 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 4, 2026Sell(S)2K$28.85$65K98K
Mar 3, 2026Sell(S)2K$28.25$63K100K

Transaction Codes

S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000887343-26-000103) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML