SENTINEL ENERGY SVCS INC

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

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2019
Shares 107,588 Value ($000) $43 Avg Close — Range —
Q2 2019
Shares 153,655 Value ($000) $108 Avg Close — Range —
Q1 2019
Shares 202,022 Value ($000) $137 Avg Close — Range —
Q4 2018
Shares 102,339 Value ($000) $85 Avg Close — Range —