TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

Trexquant Investment LP's Holding History (CIK: 0001633445)

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

Q4 2017
Shares 45,165 Value ($000) $285 Avg Close — Range —
Q2 2017
Shares 21,894 Value ($000) $156 Avg Close — Range —
Q1 2017
Shares 28,862 Value ($000) $265 Avg Close — Range —
Q1 2015
Shares 28,100 Value ($000) $1,029 Avg Close — Range —