ALTA MESA RES INC

CUSIP: 02133L117 Class: *W EXP 03/28/202

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q2 2019
Shares 543,548 Value ($000) $4 Avg Close — Range —
Q1 2019
Shares 599,548 Value ($000) $22 Avg Close — Range —
Q4 2018
Shares 620,948 Value ($000) $52 Avg Close — Range —
Q3 2018
Shares 1,131,626 Value ($000) $566 Avg Close — Range —
Q2 2018
Shares 2,469,837 Value ($000) $3,458 Avg Close — Range —
Q1 2018
Shares 2,503,337 Value ($000) $3,881 Avg Close — Range —