Form 4: NB Bancorp Director Whalen Acquires Restricted Stock

NB Bancorp Director Mark Whalen acquired 2,402 shares of common stock as restricted stock, increasing his direct beneficial ownership to 77,639 shares.

Summary

• Mark Whalen, a Director of NB Bancorp, Inc. (NBBK), acquired 2,402 shares of common stock on January 2, 2026.
• The acquisition was a grant of restricted stock, indicated by a transaction price of $0.
• These 2,402 newly acquired restricted shares will vest 100% on January 2, 2027.
• Following this transaction, Mr. Whalen directly beneficially owns 77,639 shares of common stock.
• The 77,639 shares include other restricted stock that vests at a rate of 20% per year, commencing on April 24, 2026.
• Mr. Whalen also indirectly beneficially owns 30,000 shares of common stock as a trustee for a trust.
• The transaction was made pursuant to a Rule 10b5-1(c) plan, a pre-arranged contract for the purchase or sale of equity securities.

Sentiment

Score: 6

Explanation: The sentiment is moderately positive as a director receiving equity aligns their interests with shareholders, even though it's a grant rather than an open market purchase. This indicates continued commitment and incentive.

Positives

• A director acquiring additional equity, even through a grant, generally signals alignment of interests between management and shareholders.
• The establishment of a Rule 10b5-1 plan indicates a pre-planned transaction, reducing concerns about opportunistic insider trading.

Stakeholder Impact

• Shareholders: Increased director ownership can be viewed positively as it aligns the director's financial interests with those of the shareholders, potentially fostering long-term value creation.

Next Steps

• The 2,402 shares of restricted stock acquired will vest 100% on January 2, 2027.
• Other restricted stock included in the direct beneficial ownership will continue to vest at a rate of 20% per year, commencing on April 24, 2026.

Key Dates

Keywords

NB Bancorp, NBBK, Form 4, Insider Transaction, Restricted Stock, Director, Beneficial Ownership, Equity Grant, Vesting