TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

Tradewinds Capital Management, LLC's Holding History (CIK: 0001616026)

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

Q3 2016
Shares 250 Value ($000) $1 Avg Close — Range —
Q4 2015
Shares 40 Value ($000) $0 Avg Close — Range —
Q3 2015
Shares 40 Value ($000) $0 Avg Close — Range —
Q2 2015
Shares 40 Value ($000) $2 Avg Close — Range —