Form 4: Brookline Bancorp GC Disposes Shares for Tax on Vested Stock

Brookline Bancorp General Counsel Marissa S. Martin disposed of 7,003 shares of common stock to cover tax obligations related to vested performance-based restricted stock.

Summary

• Marissa S. Martin, General Counsel of Brookline Bancorp Inc. (BRKL), reported a disposition of common stock.
• The transaction occurred on August 25, 2025, and involved the payment of tax liability by withholding securities (Transaction Code 'F').
• A total of 7,003 shares were disposed across four separate entries (2,168, 723, 2,467, and 1,645 shares) at a price of $11.03 per share.
• The shares were performance-based restricted stock granted under the Brookline Bancorp, Inc. 2021 Stock Option and Incentive Plan.
• The vesting of these shares was pursuant to the terms of the Agreement and Plan of Merger by and among Berkshire Hills Bancorp, Inc., Commerce Acquisition Sub, Inc., and Brookline Bancorp, Inc.
• Following these transactions, Marissa S. Martin directly beneficially owns 33,673 shares of common stock and indirectly owns 821 shares via an ESOP.

Sentiment

Score: 5

Explanation: The filing reports a routine tax-related disposition of shares following vesting, which is a neutral event for the company's stock performance and does not indicate a change in management's outlook or company fundamentals.

Positives

• The vesting of performance-based restricted stock indicates that performance goals were met, which is a positive for the executive and potentially reflects well on the company's operational achievements.
• The vesting was facilitated by the terms of a merger agreement, suggesting strategic execution.

Stakeholder Impact

• Shareholders: Minimal impact, as this is a routine tax-related transaction and not a discretionary sale by an insider.

Key Dates

Recommendation

This Form 4 filing details a routine tax-related disposition of shares by an executive following the vesting of restricted stock. It does not provide new fundamental information about Brookline Bancorp's financial health, strategic direction, or operational performance that would warrant a change in investment recommendation. The transaction is an expected part of executive compensation and does not signal a lack of confidence or a significant shift in company prospects.

Keywords

Brookline Bancorp, BRKL, Form 4, Insider Transaction, Stock Vesting, Executive Compensation, Marissa S. Martin, Restricted Stock, Tax Withholding