PIONEER ENERGY SVCS CORP

CUSIP: 723664108 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q2 2019
Shares 6,111,189 Value ($000) $1,546 Avg Close — Range —
Q1 2019
Shares 6,211,727 Value ($000) $10,995 Avg Close — Range —
Q4 2018
Shares 6,487,641 Value ($000) $7,980 Avg Close — Range —
Q3 2018
Shares 6,506,313 Value ($000) $19,194 Avg Close — Range —
Q2 2018
Shares 6,505,737 Value ($000) $38,058 Avg Close — Range —
Q1 2018
Shares 6,353,554 Value ($000) $17,155 Avg Close — Range —
Q4 2017
Shares 6,080,537 Value ($000) $18,545 Avg Close — Range —
Q3 2017
Shares 5,926,912 Value ($000) $15,113 Avg Close — Range —
Q2 2017
Shares 6,440,192 Value ($000) $13,202 Avg Close — Range —
Q1 2017
Shares 6,549,757 Value ($000) $26,199 Avg Close — Range —
Q4 2016
Shares 5,504,778 Value ($000) $37,708 Avg Close — Range —
Q3 2016
Shares 5,493,236 Value ($000) $22,192 Avg Close — Range —
Q2 2016
Shares 5,076,844 Value ($000) $23,354 Avg Close — Range —
Q1 2016
Shares 5,030,627 Value ($000) $11,067 Avg Close — Range —
Q4 2015
Shares 5,090,075 Value ($000) $11,045 Avg Close — Range —
Q3 2015
Shares 5,432,236 Value ($000) $11,408 Avg Close — Range —
Q2 2015
Shares 5,442,418 Value ($000) $34,506 Avg Close — Range —
Q1 2015
Shares 5,307,999 Value ($000) $28,768 Avg Close — Range —
Q4 2014
Shares 5,342,108 Value ($000) $29,596 Avg Close — Range —
Q3 2014
Shares 5,366,047 Value ($000) $75,233 Avg Close — Range —
Q2 2014
Shares 5,372,654 Value ($000) $94,235 Avg Close — Range —
Q1 2014
Shares 5,316,035 Value ($000) $68,842 Avg Close — Range —
Q4 2013
Shares 5,281,920 Value ($000) $42,308 Avg Close — Range —
Q3 2013
Shares 5,234,177 Value ($000) $39,309 Avg Close — Range —
Q2 2013
Shares 5,238,892 Value ($000) $34,681 Avg Close — Range —