PIONEER ENERGY SVCS CORP

CUSIP: 723664108 Class: COM

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

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

Q2 2018
Shares 11,822 Value ($000) $69 Avg Close — Range —
Q4 2014
Shares 357,830 Value ($000) $1,982 Avg Close — Range —
Q3 2014
Shares 299,046 Value ($000) $4,193 Avg Close — Range —