QUANTUM CORP

CUSIP: 747906204 Class: CMN

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

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

Q4 2015
Shares 39,925 Value ($000) $37 Avg Close — Range —
Q3 2015
Shares 39,925 Value ($000) $28 Avg Close — Range —
Q2 2015
Shares 56,459 Value ($000) $95 Avg Close — Range —
Q1 2015
Shares 62,394 Value ($000) $100 Avg Close — Range —
Q4 2014
Shares 32,958 Value ($000) $58 Avg Close — Range —
Q3 2014
Shares 72,936 Value ($000) $85 Avg Close — Range —
Q2 2014
Shares 102,355 Value ($000) $125 Avg Close — Range —
Q1 2014
Shares 88,561 Value ($000) $108 Avg Close — Range —
Q4 2013
Shares 90,373 Value ($000) $108 Avg Close — Range —
Q3 2013
Shares 92,041 Value ($000) $127 Avg Close — Range —