ALTA MESA RES INC

CUSIP: 02133L109 Class: COMMON STOCK

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

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

Q2 2019
Shares 1,166,587 Value ($000) $170 Avg Close — Range —
Q1 2019
Shares 1,166,587 Value ($000) $310 Avg Close — Range —
Q4 2018
Shares 1,441,186 Value ($000) $1,441 Avg Close — Range —
Q3 2018
Shares 956,656 Value ($000) $3,999 Avg Close — Range —
Q2 2018
Shares 68,949 Value ($000) $470 Avg Close — Range —