Columbia Banking Sys (COLB): Congress and insider trades

Who in Congress and inside the company traded COLB, when each filing appeared, and what buying after each one would have earned against the S&P 500.

Key Facts

  • Columbia Banking Sys (COLB) is a listed stock on NASDAQ.
  • 3 members of Congress filed 1 buy and 2 sells of COLB, the latest published 2026-04-09 (9 April 2026).
  • Insiders filed 1 open market buy worth $22.5K and 3 sells worth $145K, the latest filed 2026-07-02 (2 July 2026).
  • Across 1 scored buy, Congress averaged -14.6% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell.
  • Data as of 2026-09-29 (29 September 2026).
Congress buys 1 3 members
Congress sells 2
Insider buys 1 $22.5K
Insider sells 3 $145K
Congress buys vs S&P, 90d -14.6% 1 scored buys
Insider buys vs S&P, 90d n/a 0 scored buys

Congress trades in COLB

as of 2026-04-09
  1. Daniel S. Goldman1 trade
  2. Gil Cisneros1 trade
  3. Josh Gottheimer1 trade
Congress trades in COLB, newest first.
FiledMemberTypeSizeDays to file90 day vs S&P
9 Apr 2026 Josh Gottheimer (D-NJ) sell 1K–15K 34 n/a
16 Feb 2026 Gil Cisneros (D-CA) sell 15K–50K 29 n/a
22 May 2023 Daniel S. Goldman (D-NY) buy 15K–50K 39 -14.6%

Insider trades in COLB

as of 2026-07-02
Open market insider trades in COLB, newest first.
FiledInsiderTypeSharesPriceValue90 day vs S&P
2 Jul 2026 Deer Aaron James buy 886 $25.37 $22.5K n/a
10 Jun 2026 Moore Devine David sell 3,872 $29.77 $115K n/a
17 Mar 2026 Lakely Brock sell 211 $26.23 $5.5K n/a
17 Mar 2026 BARUFFI KUMI YAMAMOTO sell 937 $26.23 $24.6K n/a

Frequently asked questions

Who has bought COLB?

1 Congress buy by 3 members and 1 insider buy are on file. The tables on this page list every one.

Did buying COLB after a disclosure beat the market?

Across 1 scored buy, Congress averaged -14.6% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell. A single stock is a small sample.

Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.

Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.