NB BANCORP INC

Ticker: NBBK CUSIP: 63945M107 Class: Common Stock

QUADRANT CAPITAL GROUP LLC's Holding History (CIK: 0001650717)

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

Q4 2025

Shares 57 Value ($000) $1 Avg Close $19.03 Range $16.84 - $21.57

Q3 2025

Shares 354 Value ($000) $6 Avg Close $18.34 Range $16.76 - $19.42

Q1 2025

Shares 27 Value ($000) $0 Avg Close $18.59 Range $16.48 - $19.50

Q4 2024

Shares 49 Value ($000) $1 Avg Close $19.21 Range $17.47 - $21.05

Q3 2024

Shares 141 Value ($000) $3 Avg Close $17.68 Range $14.84 - $19.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	57	$1	$19.03	$16.84 - $21.57
Q3 2025	354	$6	$18.34	$16.76 - $19.42
Q1 2025	27	$0	$18.59	$16.48 - $19.50
Q4 2024	49	$1	$19.21	$17.47 - $21.05
Q3 2024	141	$3	$17.68	$14.84 - $19.27