QUANTUM CORP

CUSIP: 747906501 Class: COM NEW

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q4 2017
Shares 90,426 Value ($000) $509 Avg Close — Range —
Q3 2017
Shares 90,426 Value ($000) $553 Avg Close — Range —