NB BANCORP INC

Ticker: NBBK CUSIP: 63945M107 Class: Common Stock

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q4 2025

Shares 11,700 Value ($000) $232 Avg Close $19.03 Range $16.84 - $21.57

Q3 2025

Shares 13,400 Value ($000) $237 Avg Close $18.34 Range $16.76 - $19.42

Q2 2025

Shares 13,400 Value ($000) $239 Avg Close $16.89 Range $15.09 - $18.16

Q1 2025

Shares 15,500 Value ($000) $280 Avg Close $18.59 Range $16.48 - $19.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,700	$232	$19.03	$16.84 - $21.57
Q3 2025	13,400	$237	$18.34	$16.76 - $19.42
Q2 2025	13,400	$239	$16.89	$15.09 - $18.16
Q1 2025	15,500	$280	$18.59	$16.48 - $19.50