SUMMIT THERAPEUTICS PLC

CUSIP: 86627R102 Class: Stock

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

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

Q1 2018
Shares 472 Value ($000) $6 Avg Close — Range —
Q2 2017
Shares 300 Value ($000) $3 Avg Close — Range —
Q3 2016
Shares 1,213 Value ($000) $11 Avg Close — Range —
Q2 2016
Shares 1,487 Value ($000) $12 Avg Close — Range —
Q1 2016
Shares 1,213 Value ($000) $8 Avg Close — Range —
Q4 2015
Shares 205 Value ($000) $2 Avg Close — Range —
Q3 2015
Shares 1,228 Value ($000) $13 Avg Close — Range —
Q1 2015
Shares 5 Value ($000) $0 Avg Close — Range —