GEMPHIRE THERAPEUTICS INC

CUSIP: 36870A108 Class: COM

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

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

Q2 2018
Shares 2,153 Value ($000) $22 Avg Close — Range —
Q4 2017
Shares 790 Value ($000) $7 Avg Close — Range —
Q3 2017
Shares 1,664 Value ($000) $16 Avg Close — Range —
Q2 2017
Shares 2,031 Value ($000) $26 Avg Close — Range —
Q4 2016
Shares 400 Value ($000) $3 Avg Close — Range —
Q3 2016
Shares 410 Value ($000) $4 Avg Close — Range —