CLBK Columbia Financial, Inc./MD/ Insider Trading

Director Robert Van Dyk bought 25,000 shares of CLBK at $10.00 on 2026-07-20; stock down -57.6% from 52-week high amid cluster buy activity by 3 other insiders in 14 days.

Director Robert Van Dyk purchased 25,000 shares at $10.00, raising his holdings to 322,013 shares, on a day when Columbia Financial stock has declined -57.6% from its 52-week high of $25.83. This buy coincides with a cluster pattern in which 3 other insiders also bought within the past 14 days, suggesting coordinated or synchronized action during a significant drawdown. However, the insider's track record provides caution: his prior buy at this same ticker returned -1.8% over 30 days and -4.7% over 90 days, representing a 0% win rate on his cross-ticker open-market history at the 90-day mark. The current price of $10.94 sits near the transaction price of $10.00, with the stock down -44.7% over the past 30 days, indicating the decline is recent and ongoing.

Director Jim Hobart Wainwright bought 10,000 shares of CLBK at $10.00; holdings rise to 17,055 shares amid cluster buy pattern (4 others in 14 days).

Director Jim Hobart Wainwright purchased 10,000 shares at $10.00, increasing his holdings by 141.7% to 17,055 shares. This transaction occurs as part of a cluster pattern in which 4 other insiders also bought within the past 14 days. The purchase price of $10.00 is below the current price of $10.94 but significantly below the 52-week high of $25.83; the stock is currently -57.6% from its 52-week high and has declined -44.7% over the past 30 days. The co-occurrence of purchases by multiple insiders during a period of material stock price weakness warrants examination of whether this reflects a deliberate acquisition or other material developments affecting the company's outlook.

Director Massood buys 25,000 shares at $10.00 via scheduled plan; 5 other insiders bought within 14 days as stock trades -57.6% from 52-week high.

Michael Jr. Massood (Director) executed 2 purchases totaling 25,000 shares for $250,000.00 on 2026-07-20, increasing his holdings from 68.1K shares to 93.1K shares (+36.7%). This transaction is part of a pre-arranged 10b5-1 trading plan, meaning it was scheduled rather than discretionary. Notably, 5 other insiders also purchased shares within the past 14 days, establishing a cluster buy pattern. The stock's price has declined significantly—currently trading at $10.94, -57.6% from its 52-week high of $25.83, and down -44.7% over the past 30 days. The synchronized purchasing activity across multiple insiders during a period of substantial stock price depreciation merits investor attention, though the scheduled nature of this filing's transactions removes any inference about discrete timing decisions.

CLBK SEVP Oliver Lewis buys 15,000 shares for $150,000 as 6 other insiders buy within 14 days

Oliver Edward Jr Lewis, SEVP & Head Commercial Banking, made 2 purchases totaling 15,000 shares for $150,000.00 at $10.00 per share on 2026-07-20. This filing reveals a cluster buy pattern: 6 other insiders also purchased shares within the past 14 days, suggesting coordinated insider accumulation at the company. The stock currently trades at $10.94, down 44.7% over 30 days and 39.7% over 90 days from recent performance, and is 57.6% below its 52-week high of $25.83. The convergence of multiple insider purchases during a period of significant price decline warrants close investor attention to the company's operational and financial fundamentals.

COO Steven M Klein bought 50,000 shares of CLBK at $10.00 (+7.6% holdings); stock down 57.6% from 52-week high amid cluster buy signal.

Steven M Klein, Sr. EVP and COO, purchased 50,000 shares at $10.00, increasing his holdings from 661.6K to 711.6K shares. This transaction occurs in a notable context: the stock is trading at $10.94, down 57.6% from its 52-week high of $25.83 and down 44.7% over the past 30 days. The purchase is part of a cluster pattern, with 7 other insiders also buying within the past 14 days, suggesting coordinated or similarly-motivated accumulation at depressed price levels. Klein's cross-ticker track record shows a 100.00% 90-day win rate with +52.5% average 90-day returns on 1 prior open-market buy, though this historical success applies across multiple tickers, not specifically at CLBK. The concentration of insider buying activity during a sharp decline merits investor scrutiny.

Director Elizabeth E. Randall buys 49,980 shares for $499,800.00 at $10.00; stock down 57.6% from 52-week high; 8 other insiders also bought in 14-day window

Elizabeth E. Randall, a director at Columbia Financial, Inc., made 3 separate purchases totaling 49,980 shares for $499,800.00 at $10.00 per share on 2026-07-20. The stock is currently trading at $10.94, approximately 57.6% below its 52-week high and down 44.7% over the past 30 days. The filing reflects a cluster pattern: 8 other insiders also purchased shares within the past 14 days, suggesting coordinated or opportunistic accumulation during a period of significant price weakness. The transaction moves her post-transaction holdings to 49,184 shares. This multi-insider buying activity during a sharp drawdown warrants investor attention to understand whether the buying reflects board/management confidence or other motivations.

Director Lucy Sorrentini buys 20,000 shares of CLBK at $10.00; 9 other insiders bought within 14 days amid -57.6% drop from 52-week high.

Lucy Sorrentini, a director at Columbia Financial, purchased 20,000 shares for $200,000.00 at $10.00 per share on 2026-07-20, establishing her first shareholding position. This transaction is part of a cluster pattern: 9 other insiders also bought within the past 14 days, suggesting coordinated interest at depressed valuations. The stock has declined 57.6% from its 52-week high of $25.83 and is down 44.7% over the past 30 days, pointing to acute recent pressure. The concentration of insider purchases during a sharp drawdown, combined with the scale of the $200,000.00 commitment, warrants investor attention to what prompted this synchronized buying activity and whether it reflects assessment of near-term value or other factors.

CLBK CRO John Klimowich bought 35,000 shares for $350,000.00 at $10.00; stock down -57.6% from 52-week high; 10 other insiders also bought within 14 days.

John Klimowich, SEVP & Chief Risk Officer, executed 2 separate purchases totaling 35,000 shares for $350,000.00 at $10.00 per share on 2026-07-20, increasing his holdings by 107.1% to 67.7K shares post-transaction. This transaction occurs in a backdrop of significant stock price deterioration: the current price of $10.94 represents a -57.6% decline from the 52-week high of $25.83, and the stock has fallen -44.7% over the prior 30 days and -39.7% over 90 days. Notably, 10 other insiders also bought within the past 14 days, forming a cluster buy pattern that suggests coordinated or synchronized response to market conditions. The combination of a senior risk officer purchasing substantial shares in concert with peer insider buying activity warrants attention to whether this reflects management's assessment of valuation relative to recent price action.

CLBK SEVP bought 50,000 shares for $500,000.00 in 2 transactions on 2026-07-20; stock down -57.6% from 52-week high

Allyson Katz Schlesinger, as SEVP and Head of Consumer Banking at Columbia Financial, Inc., executed 2 separate purchases totaling 50,000 shares for $500,000.00 at $10.00 per share on 2026-07-20. The transaction occurred while the stock is trading at $10.94, down -57.6% from its 52-week high of $25.83 and down -44.7% over the past 30 days. A cluster pattern is present: 11 other insiders also bought within the past 14 days, indicating coordinated activity across the executive suite during a period of significant price deterioration. The magnitude of the purchase (50,000 shares at the SEVP level) combined with the multi-insider buying cluster during acute downward price movement warrants close examination of whether this reflects management assessment of intrinsic value or response to specific operational or market developments.

CFO Thomas Jr Splaine bought 50,000 shares (50.0K) of CLBK at $10.00; 12 other insiders also bought within 14 days amid -57.6% decline from 52-week high.

Thomas Jr Splaine, EVP and CFO of Columbia Financial, Inc./MD/, purchased 50,000 shares at $10.00 on 2026-07-20, increasing his holdings from 862 shares to 50,862 shares. This transaction occurs within a documented cluster pattern: 12 other insiders bought within the past 14 days. The purchase price of $10.00 sits near the low end of the 52-week range ($10.70–$25.83), with the stock currently trading -57.6% from its 52-week high and -44.7% over the past 30 days. The concentrated buying by multiple executives at depressed price levels, combined with the CFO's substantial acquisition of a half-million dollars in stock, suggests insider assessment of value at current levels, though the recent sharp decline warrants attention to underlying business conditions that may have triggered the selloff.