ALTA MESA RES INC

CUSIP: 02133L109 Class: COMMON STOCK

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q1 2019
Shares 1,516 Value ($000) $0 Avg Close — Range —
Q4 2018
Shares 601 Value ($000) $0 Avg Close — Range —
Q3 2018
Shares 3,018 Value ($000) $12 Avg Close — Range —
Q2 2018
Shares 5,667 Value ($000) $38 Avg Close — Range —