PIONEER ENERGY SVCS CORP

CUSIP: 723664108 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q2 2018
Shares 10,800 Value ($000) $63 Avg Close — Range —
Q1 2017
Shares 59,400 Value ($000) $238 Avg Close — Range —
Q4 2016
Shares 3,100 Value ($000) $21 Avg Close — Range —
Q1 2016
Shares 6,900 Value ($000) $15 Avg Close — Range —
Q1 2015
Shares 5,457 Value ($000) $30 Avg Close — Range —
Q4 2014
Shares 330 Value ($000) $2 Avg Close — Range —
Q2 2014
Shares 758 Value ($000) $13 Avg Close — Range —
Q1 2014
Shares 3,676 Value ($000) $48 Avg Close — Range —
Q2 2013
Shares 643 Value ($000) $4 Avg Close — Range —