QUINTANA ENERGY SVCS INC

CUSIP: 74875T103 Class: Common Stock

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

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

Q1 2020
Shares 89,264 Value ($000) $78 Avg Close — Range —
Q4 2019
Shares 89,264 Value ($000) $251 Avg Close — Range —
Q3 2019
Shares 89,264 Value ($000) $182 Avg Close — Range —
Q2 2019
Shares 89,264 Value ($000) $144 Avg Close — Range —
Q1 2019
Shares 89,264 Value ($000) $386 Avg Close — Range —
Q4 2018
Shares 77,593 Value ($000) $268 Avg Close — Range —
Q3 2018
Shares 28,252 Value ($000) $207 Avg Close — Range —