SENTINEL ENERGY SVCS INC

CUSIP: 81728P113 Class: W EXP 11/02/202

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q3 2019
Shares 135,768 Value ($000) $54 Avg Close — Range —
Q2 2019
Shares 135,768 Value ($000) $95 Avg Close — Range —
Q1 2019
Shares 135,768 Value ($000) $92 Avg Close — Range —