Mary Susan Elliott - 24 Jan 2025 Form 4 Insider Report for NB Bancorp, Inc. (NBBK)

Reporting relationship: Director
Issuer ticker: NBBK
Reported as of: 24 Jan 2025
Net transaction value: +$217,873
SEC form: 4
Accepted by SEC: 30 Jan 2026, 11:02:43 UTC
Prior SEC filing: 27 Dec 2023
Next SEC filing: 28 Apr 2025
Source filing: View source filing
Reporting owner signature: /s/ Steven Lanter, pursuant to power of attorney

Key filing fact

Mary Susan Elliott filed Form 4 for NB Bancorp, Inc. (NBBK) on 30 Jan 2026.

Key facts

This page summarizes Mary Susan Elliott's Form 4 filing for NB Bancorp, Inc. (NBBK).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 30 Jan 2026, 11:02.

Change

Previous filing in this sequence was filed on 27 Dec 2023.
Current net transaction value: +$217,873.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002003469 Primary reporting owner

Elliott Mary Susan

Relationship: Director
Address: 1063 GREAT PLAIN AVE, NEEDHAM
Signature: /s/ Steven Lanter, pursuant to power of attorney
Signature date: 30 Jan 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NBBK transaction

Common Stock

Purchase

Transaction value: $187,200
Shares: +10,000
Change %: +9.5%
Price: $18.72
Shares after: 115,761
Date: 24 Jan 2025
Ownership: Direct
Footnotes: F1, F2

NBBK transaction

Common Stock

Purchase

Transaction value: $30,673
Shares: +1,434
Change %
Price: $21.39
Shares after: 1,434
Date: 02 May 2025
Ownership: By Spouse

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Includes shares of restricted stock which vest at a rate of 20% per year commencing on April 24, 2026.

Footnote F2

Includes shares of restricted stock which vest 100% on January 2, 2027.

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