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Company profile

Columbia Financial, Inc. Insider Trading

CLBK

Every SEC Form 4 insider trading filing for Columbia Financial, Inc. (CLBK) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
Nasdaq
Sector
Savings Institution, Federally Chartered
CIK
0001723596
Filings
665
Insiders
21
Last filing
2026-08-21
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

Recent insider activity is bullish. Over the last 30 days, 5 insiders purchased shares (net $5K). Buying was led by Kemly Thomas J..

Three year balance

Buy and sell value by quarter, Q4 23 to Q3 26. Columbia Financial, Inc. insiders are net buyers across the period shown.

Q4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $504K.

90 day insight

Over the last 90 days, Columbia Financial, Inc. insiders bought $4.8M across 37 transactions with no open-market sales.

  • Most active insider: Kemly Thomas J. with 5 transactions totaling $536K.
  • Largest single purchase: $500K by Splaine Thomas Jr on Jul 20, 2026.

Activity skews bullish — buys outpace sales.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue1d1w1m3m6m
Aug 21, 2026Kemly Thomas J.CLBK
Award
157.565$11.79$2K—————
Aug 21, 2026Klimowich JohnCLBK
Award
58.068$11.79$685—————
Aug 7, 2026Klimowich JohnCLBK
Award
63.157$10.84$685+5.2%+6.4%———
Aug 7, 2026Holland Noel R.CLBK
Award
15.721$10.84$170+5.2%+6.4%———
Aug 7, 2026Kemly Thomas J.CLBK
Award
171.374$10.84$2K+5.2%+6.4%———

32 more transactions hidden

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Top insiders

By total value filed.

Kemly Thomas J.President & CEO5 filings+$536K
Splaine Thomas JrEVP, CFO1 filing+$500K
Schlesinger Allyson KatzSEVP&Head of Consumer Banking2 filings+$500K
Klein Steven M1 filing+$500K
Randall Elizabeth E.Director3 filings+$500K
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Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

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