TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

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

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

Q2 2019
Shares 21,121 Value ($000) $10 Avg Close — Range —
Q4 2018
Shares 9,349 Value ($000) $10 Avg Close — Range —
Q3 2018
Shares 13,305 Value ($000) $37 Avg Close — Range —
Q3 2017
Shares 3,442 Value ($000) $23 Avg Close — Range —
Q4 2015
Shares 248 Value ($000) $2 Avg Close — Range —
Q3 2015
Shares 8,428 Value ($000) $63 Avg Close — Range —
Q2 2015
Shares 201 Value ($000) $10 Avg Close — Range —
Q1 2015
Shares 1,385 Value ($000) $51 Avg Close — Range —
Q4 2014
Shares 51 Value ($000) $2 Avg Close — Range —
Q1 2014
Shares 430 Value ($000) $5 Avg Close — Range —
Q4 2013
Shares 672 Value ($000) $9 Avg Close — Range —
Q3 2013
Shares 5,154 Value ($000) $59 Avg Close — Range —
Q2 2013
Shares 13,537 Value ($000) $96 Avg Close — Range —