SENTINEL ENERGY SVCS INC

CUSIP: 81728P105 Class: CL A

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

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

Q3 2019
Shares 927 Value ($000) $9 Avg Close — Range —
Q2 2019
Shares 1,313 Value ($000) $13 Avg Close — Range —
Q1 2019
Shares 1,463 Value ($000) $15 Avg Close — Range —
Q4 2018
Shares 6 Value ($000) $0 Avg Close — Range —