XOMA CORP DEL

CUSIP: 98419J107 Class: CMN

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q1 2016
Shares 15,472 Value ($000) $12 Avg Close — Range —
Q4 2015
Shares 15,472 Value ($000) $21 Avg Close — Range —
Q3 2015
Shares 16,947 Value ($000) $13 Avg Close — Range —
Q1 2015
Shares 21,985 Value ($000) $80 Avg Close — Range —
Q4 2014
Shares 20,092 Value ($000) $72 Avg Close — Range —
Q3 2014
Shares 23,115 Value ($000) $97 Avg Close — Range —
Q1 2014
Shares 34,210 Value ($000) $178 Avg Close — Range —
Q2 2013
Shares 28,588 Value ($000) $104 Avg Close — Range —