FORMFACTOR INC

Ticker: FORM CUSIP: 346375108 Class: EQTY

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q4 2025

Shares 449,604 Value ($000) $25,079 Avg Close $50.39 Range $36.05 - $61.10

Q3 2025

Shares 1,026,657 Value ($000) $37,391 Avg Close $32.19 Range $26.08 - $38.66

Q1 2025

Shares 913,330 Value ($000) $25,838 Avg Close $36.76 Range $27.55 - $48.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	449,604	$25,079	$50.39	$36.05 - $61.10
Q3 2025	1,026,657	$37,391	$32.19	$26.08 - $38.66
Q1 2025	913,330	$25,838	$36.76	$27.55 - $48.69