TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

Paloma Partners Management Co's Holding History (CIK: 0001103882)

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

Q2 2019
Shares 240,209 Value ($000) $115 Avg Close — Range —
Q4 2018
Shares 29,300 Value ($000) $33 Avg Close — Range —
Q1 2018
Shares 14,778 Value ($000) $45 Avg Close — Range —
Q4 2017
Shares 33,378 Value ($000) $210 Avg Close — Range —
Q1 2016
Shares 12,227 Value ($000) $57 Avg Close — Range —
Q4 2015
Shares 29,938 Value ($000) $300 Avg Close — Range —