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  • Insider Ownership

Insider Trading & Ownership of Mark Whalen

Location
Needham, MA
Summary
The estimated net worth of Mark Whalen is at least $2,133,361 dollars as of 06 Jan 2026. Mark Whalen is the Director of NB Bancorp, Inc. and owns shares of NB Bancorp, Inc. (NBBK) stock worth about $2.13M.
Signature
/s/ Steven Lanter, pursuant to power of attorney
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Ownership of Mark Whalen

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
NBBK NB Bancorp, Inc. Director $2,133,361 02 Jan 2026

Insider Transactions Reported by Mark Whalen:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.