TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

Hudson Bay Capital Management LP's Holding History (CIK: 0001393825)

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

Q1 2018
Shares 158,000 Value ($000) $485 Avg Close — Range —
Q4 2017
Shares 500,000 Value ($000) $3,150 Avg Close — Range —
Q3 2017
Shares 560,000 Value ($000) $3,830 Avg Close — Range —
Q2 2017
Shares 274,685 Value ($000) $1,959 Avg Close — Range —