XOMA CORP DEL

CUSIP: 98419J107 Class: CMN

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

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

Q1 2016
Shares 3,395 Value ($000) $2 Avg Close — Range —
Q4 2015
Shares 6,600 Value ($000) $8 Avg Close — Range —
Q3 2015
Shares 16,556 Value ($000) $12 Avg Close — Range —
Q2 2015
Shares 109,299 Value ($000) $424 Avg Close — Range —
Q1 2015
Shares 49,515 Value ($000) $180 Avg Close — Range —
Q4 2014
Shares 18,582 Value ($000) $67 Avg Close — Range —