BLUE FOUNDRY BANCORP

Ticker: BLFY CUSIP: 09549B104 Class: Common Stock

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q4 2025

Shares 352 Value ($000) $4 Avg Close $9.98 Range $7.61 - $13.13

Q3 2025

Shares 352 Value ($000) $3 Avg Close $9.18 Range $8.23 - $10.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	352	$4	$9.98	$7.61 - $13.13
Q3 2025	352	$3	$9.18	$8.23 - $10.00