XOMA CORP DEL

Ticker: XOMA CUSIP: 98419J206 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2025

Shares 173 Value ($000) $5 Avg Close $32.18 Range $24.81 - $39.92

Q3 2025

Shares 171 Value ($000) $0 Avg Close $31.06 Range $24.08 - $38.75

Q3 2022

Shares 81 Value ($000) $1 Avg Close $20.61 Range $15.68 - $32.09

Q2 2022

Shares 96 Value ($000) $2 Avg Close $20.53 Range $16.96 - $29.85

Q1 2022

Shares 39 Value ($000) $1 Avg Close $22.82 Range $19.08 - $30.96

Q4 2021

Shares 900 Value ($000) $18 Avg Close $23.39 Range $19.40 - $27.77

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	173	$5	$32.18	$24.81 - $39.92
Q3 2025	171	$0	$31.06	$24.08 - $38.75
Q3 2022	81	$1	$20.61	$15.68 - $32.09
Q2 2022	96	$2	$20.53	$16.96 - $29.85
Q1 2022	39	$1	$22.82	$19.08 - $30.96
Q4 2021	900	$18	$23.39	$19.40 - $27.77