NB BANCORP INC

Ticker: NBBK CUSIP: 63945M107 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 3,103,770 Value ($000) $61,517 Avg Close $19.03 Range $16.84 - $21.57

Q3 2025

Shares 2,822,125 Value ($000) $49,811 Avg Close $18.34 Range $16.76 - $19.42

Q2 2025

Shares 2,881,357 Value ($000) $51,461 Avg Close $16.89 Range $15.09 - $18.16

Q1 2025

Shares 3,140,847 Value ($000) $56,755 Avg Close $18.59 Range $16.48 - $19.50

Q4 2024

Shares 3,274,939 Value ($000) $59,145 Avg Close $19.21 Range $17.47 - $21.05

Q3 2024

Shares 3,295,920 Value ($000) $61,172 Avg Close $17.68 Range $14.84 - $19.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,103,770	$61,517	$19.03	$16.84 - $21.57
Q3 2025	2,822,125	$49,811	$18.34	$16.76 - $19.42
Q2 2025	2,881,357	$51,461	$16.89	$15.09 - $18.16
Q1 2025	3,140,847	$56,755	$18.59	$16.48 - $19.50
Q4 2024	3,274,939	$59,145	$19.21	$17.47 - $21.05
Q3 2024	3,295,920	$61,172	$17.68	$14.84 - $19.27