TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

Silphium Asset Management Ltd's Holding History (CIK: 0001758440)

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

Q2 2018
Shares 46,821 Value ($000) $167 Avg Close — Range —
Q4 2017
Shares 11,157 Value ($000) $70 Avg Close — Range —