FORMFACTOR INC

Ticker: FORM CUSIP: 346375108 Class: EQTY

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

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

Q4 2025

Shares 86 Value ($000) $5 Avg Close $50.39 Range $36.05 - $61.10

Q3 2025

Shares 273 Value ($000) $10 Avg Close $32.19 Range $26.08 - $38.66

Q2 2025

Shares 195 Value ($000) $7 Avg Close $30.37 Range $22.58 - $35.88

Q1 2025

Shares 256 Value ($000) $7 Avg Close $36.76 Range $27.55 - $48.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	86	$5	$50.39	$36.05 - $61.10
Q3 2025	273	$10	$32.19	$26.08 - $38.66
Q2 2025	195	$7	$30.37	$22.58 - $35.88
Q1 2025	256	$7	$36.76	$27.55 - $48.69