NB BANCORP INC

Ticker: NBBK CUSIP: 63945M107 Class: Common Stock

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q4 2025

Shares 18 Value ($000) $0 Avg Close $19.03 Range $16.84 - $21.57

Q3 2025

Shares 14 Value ($000) $0 Avg Close $18.34 Range $16.76 - $19.42

Q2 2025

Shares 14 Value ($000) $0 Avg Close $16.89 Range $15.09 - $18.16

Q1 2025

Shares 26 Value ($000) $0 Avg Close $18.59 Range $16.48 - $19.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	18	$0	$19.03	$16.84 - $21.57
Q3 2025	14	$0	$18.34	$16.76 - $19.42
Q2 2025	14	$0	$16.89	$15.09 - $18.16
Q1 2025	26	$0	$18.59	$16.48 - $19.50