GCT SEMICONDUCTOR HLDG INC

Ticker: GCTS CUSIP: 36170N107 Class: Common Stock

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

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

Q4 2025

Shares 115 Value ($000) $0 Avg Close $1.39 Range $1.12 - $1.75

Q3 2025

Shares 114 Value ($000) $0 Avg Close $1.43 Range $1.11 - $1.81

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	115	$0	$1.39	$1.12 - $1.75
Q3 2025	114	$0	$1.43	$1.11 - $1.81