TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

GABELLI FUNDS LLC's Holding History (CIK: 0001081407)

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

Q2 2019
Shares 30,000 Value ($000) $14 Avg Close — Range —
Q1 2019
Shares 82,000 Value ($000) $110 Avg Close — Range —
Q4 2018
Shares 98,000 Value ($000) $111 Avg Close — Range —
Q3 2018
Shares 96,000 Value ($000) $265 Avg Close — Range —
Q2 2018
Shares 122,000 Value ($000) $436 Avg Close — Range —
Q1 2018
Shares 124,000 Value ($000) $381 Avg Close — Range —
Q4 2017
Shares 124,000 Value ($000) $781 Avg Close — Range —
Q3 2017
Shares 128,000 Value ($000) $876 Avg Close — Range —
Q2 2017
Shares 128,000 Value ($000) $913 Avg Close — Range —
Q1 2017
Shares 128,000 Value ($000) $1,176 Avg Close — Range —
Q4 2016
Shares 128,000 Value ($000) $516 Avg Close — Range —
Q3 2016
Shares 128,000 Value ($000) $490 Avg Close — Range —
Q2 2016
Shares 120,000 Value ($000) $516 Avg Close — Range —
Q1 2016
Shares 59,000 Value ($000) $273 Avg Close — Range —
Q4 2015
Shares 50,000 Value ($000) $502 Avg Close — Range —
Q3 2015
Shares 50,000 Value ($000) $373 Avg Close — Range —
Q2 2015
Shares 146,000 Value ($000) $6,926 Avg Close — Range —
Q1 2015
Shares 264,990 Value ($000) $9,709 Avg Close — Range —
Q4 2014
Shares 63,000 Value ($000) $2,502 Avg Close — Range —
Q3 2014
Shares 77,000 Value ($000) $1,536 Avg Close — Range —
Q2 2014
Shares 40,000 Value ($000) $540 Avg Close — Range —