NB BANCORP INC

Ticker: NBBK CUSIP: 63945M107 Class: Common Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 18,866 Value ($000) $374 Avg Close $19.03 Range $16.84 - $21.57

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	18,866	$374	$19.03	$16.84 - $21.57