XOMA CORP DEL

Ticker: XOMA CUSIP: 98419J206 Class: Common Stock

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

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

Q4 2025

Shares 66 Value ($000) $2 Avg Close $32.18 Range $24.81 - $39.92

Q3 2025

Shares 150 Value ($000) $6 Avg Close $31.06 Range $24.08 - $38.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	66	$2	$32.18	$24.81 - $39.92
Q3 2025	150	$6	$31.06	$24.08 - $38.75