FOSTER L B CO

Ticker: FSTR CUSIP: 350060109 Class: Common Stock

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

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

Q4 2025

Shares 164 Value ($000) $4 Avg Close $26.99 Range $23.81 - $29.42

Q3 2025

Shares 164 Value ($000) $4 Avg Close $24.77 Range $21.67 - $28.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	164	$4	$26.99	$23.81 - $29.42
Q3 2025	164	$4	$24.77	$21.67 - $28.86