Form 4: NB Bancorp CEO Joseph Campanelli Increases Stake with Significant Common Stock Purchases

NB Bancorp's President & CEO and Chairman of the Board, Joseph P. Campanelli, acquired 2,000 shares of common stock on June 9, 2025, signaling increased insider confidence.

Summary

• Joseph P. Campanelli, President & CEO and Chairman of the Board of NB Bancorp, Inc. (NBBK), purchased a total of 2,000 shares of common stock on June 9, 2025.
• The purchases were executed in three separate transactions at prices ranging from $16.03 to $16.35 per share.
• Specifically, Mr. Campanelli acquired 1,000 shares at $16.03, 100 shares at $16.33, and 900 shares at $16.35.
• Following these transactions, Mr. Campanelli's direct beneficial ownership of common stock increased to 331,146 shares.
• His direct holdings include shares of restricted stock that will vest at a rate of 20% per year, commencing on April 24, 2026.
• In addition to direct holdings, Mr. Campanelli also holds indirect beneficial ownership of 45,000 shares via an IRA, 1,877 shares via an ESOP, and 47,788 shares via a 401(k) plan.
• The total beneficial ownership for Mr. Campanelli, including both direct and indirect holdings, stands at 425,811 shares after these reported transactions.

Sentiment

Score: 7

Explanation: The sentiment is positive due to significant insider buying by the CEO and Chairman, which typically indicates strong confidence in the company's future performance and aligns management's interests with shareholders.

Positives

• The acquisition of additional common stock by a high-ranking executive and director, Joseph P. Campanelli, typically signals strong confidence in the company's future performance and valuation.
• Insider buying can be viewed positively by investors as it aligns management's interests more closely with those of shareholders.

Future Outlook

The document indicates that a portion of Mr. Campanelli's direct holdings consists of restricted stock, which will vest at a rate of 20% per year commencing on April 24, 2026, suggesting a long-term incentive structure.

Management Comments

• Joseph P. Campanelli, in his capacity as President & CEO and Chairman of the Board, executed these purchases, which implicitly signals his confidence in the company's valuation and future prospects.

Industry Context

Insider buying, particularly by top executives like the CEO and Chairman, is often interpreted by the market as a positive signal, suggesting that those with the most intimate knowledge of the company believe its stock is undervalued or poised for growth. This action aligns with a broader trend where executives demonstrate conviction through personal investment.

Stakeholder Impact

• Shareholders may view this insider purchase as a positive indicator of management's belief in the company's value, potentially boosting investor confidence.
• Employees may see this as a sign of stability and positive outlook from leadership.

Next Steps

• Continued vesting of restricted stock held by Joseph P. Campanelli, with 20% vesting annually starting April 24, 2026.

Key Dates

Keywords

NB Bancorp, NBBK, Joseph P. Campanelli, Insider Trading, Stock Purchase, Form 4, SEC Filing, Common Stock, CEO, Chairman, Director, Share Acquisition, Beneficial Ownership