NB BANCORP INC

Ticker: NBBK CUSIP: 63945M107 Class: Common Stock

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q4 2025

Shares 77,100 Value ($000) $1,528 Avg Close $19.03 Range $16.84 - $21.57

Q3 2025

Shares 63,500 Value ($000) $1,121 Avg Close $18.34 Range $16.76 - $19.42

Q2 2025

Shares 75,900 Value ($000) $1,356 Avg Close $16.89 Range $15.09 - $18.16

Q1 2025

Shares 78,600 Value ($000) $1,420 Avg Close $18.59 Range $16.48 - $19.50

Q4 2024

Shares 75,000 Value ($000) $1,355 Avg Close $19.21 Range $17.47 - $21.05

Q3 2024

Shares 75,000 Value ($000) $1,392 Avg Close $17.68 Range $14.84 - $19.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	77,100	$1,528	$19.03	$16.84 - $21.57
Q3 2025	63,500	$1,121	$18.34	$16.76 - $19.42
Q2 2025	75,900	$1,356	$16.89	$15.09 - $18.16
Q1 2025	78,600	$1,420	$18.59	$16.48 - $19.50
Q4 2024	75,000	$1,355	$19.21	$17.47 - $21.05
Q3 2024	75,000	$1,392	$17.68	$14.84 - $19.27