SENTINEL ENERGY SVCS INC

CUSIP: G8062D128 Class: UNIT

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q3 2018
Shares 74 Value ($000) $1 Avg Close — Range —
Q2 2018
Shares 712 Value ($000) $7 Avg Close — Range —
Q4 2017
Shares 1,818 Value ($000) $18 Avg Close — Range —