NB BANCORP INC

Ticker: NBBK CUSIP: 63945M107 Class: Common Stock

JANE STREET GROUP, LLC's Holding History (CIK: 0001595888)

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

Q4 2025

Shares 81,641 Value ($000) $1,618 Avg Close $19.03 Range $16.84 - $21.57

Q3 2025

Shares 54,191 Value ($000) $956 Avg Close $18.34 Range $16.76 - $19.42

Q2 2025

Shares 26,684 Value ($000) $477 Avg Close $16.89 Range $15.09 - $18.16

Q1 2025

Shares 54,613 Value ($000) $987 Avg Close $18.59 Range $16.48 - $19.50

Q3 2024

Shares 63,592 Value ($000) $1,180 Avg Close $17.68 Range $14.84 - $19.27

Q2 2024

Shares 13,649 Value ($000) $206 Avg Close $14.57 Range $13.26 - $16.05

Q1 2024

Shares 10,175 Value ($000) $139 Avg Close $13.97 Range $13.10 - $14.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	81,641	$1,618	$19.03	$16.84 - $21.57
Q3 2025	54,191	$956	$18.34	$16.76 - $19.42
Q2 2025	26,684	$477	$16.89	$15.09 - $18.16
Q1 2025	54,613	$987	$18.59	$16.48 - $19.50
Q3 2024	63,592	$1,180	$17.68	$14.84 - $19.27
Q2 2024	13,649	$206	$14.57	$13.26 - $16.05
Q1 2024	10,175	$139	$13.97	$13.10 - $14.85