Marissa S. Martin's Stock Transactions in Brookline Bancorp, Inc.

Marissa S. Martin, General Counsel of Brookline Bancorp, Inc., reported several transactions involving the company's common stock on August 2, 2025. These transactions included the disposal of shares at a price of $10.28 per share. Specifically, Martin disposed of 1,596 shares, reducing her holdings to 42,754 shares. She also disposed of 532 shares, bringing her total to 42,222 shares, and 723 shares, resulting in 41,499 shares. Additionally, she disposed of 823 shares, leaving her with 40,676 shares, which include restricted stock granted under the Brookline Bancorp, Inc. 2021 Stock Option and Incentive Plan. The transactions were reported in a Form 4 filing with the SEC.