TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N204 Class: COM NEW

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

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

Q2 2020
Shares 55 Value ($000) $0 Avg Close — Range —
Q1 2020
Shares 645 Value ($000) $1 Avg Close — Range —
Q3 2019
Shares 2,672 Value ($000) $14 Avg Close — Range —