QUANTUM CORP

CUSIP: 747906204 Class: CMN

BRIDGEWAY CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001107261)

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

Q1 2017
Shares 250,000 Value ($000) $218 Avg Close — Range —
Q4 2016
Shares 250,000 Value ($000) $208 Avg Close — Range —
Q1 2016
Shares 18,000 Value ($000) $11 Avg Close — Range —
Q4 2015
Shares 18,000 Value ($000) $17 Avg Close — Range —
Q3 2015
Shares 18,000 Value ($000) $13 Avg Close — Range —
Q2 2015
Shares 591,650 Value ($000) $994 Avg Close — Range —
Q1 2015
Shares 370,850 Value ($000) $593 Avg Close — Range —
Q4 2014
Shares 370,850 Value ($000) $653 Avg Close — Range —
Q3 2014
Shares 368,100 Value ($000) $427 Avg Close — Range —
Q2 2014
Shares 350,100 Value ($000) $427 Avg Close — Range —
Q1 2014
Shares 350,100 Value ($000) $427 Avg Close — Range —