XOMA CORP DEL

CUSIP: 98419J107 Class: CMN

ARDSLEY ADVISORY PARTNERS LP's Holding History (CIK: 0000900529)

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

Q3 2015
Shares 30,000 Value ($000) $23 Avg Close — Range —
Q2 2015
Shares 95,000 Value ($000) $369 Avg Close — Range —
Q1 2015
Shares 35,000 Value ($000) $127 Avg Close — Range —
Q4 2014
Shares 25,000 Value ($000) $90 Avg Close — Range —
Q3 2014
Shares 25,000 Value ($000) $105 Avg Close — Range —
Q2 2014
Shares 25,000 Value ($000) $115 Avg Close — Range —
Q1 2014
Shares 45,000 Value ($000) $234 Avg Close — Range —