TETRAPHASE PHARMACEUTICALS I

CUSIP: 88165N105 Class: COMMON STOCK

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q2 2019
Shares 1,462,093 Value ($000) $702 Avg Close — Range —
Q1 2019
Shares 1,892,025 Value ($000) $2,535 Avg Close — Range —
Q4 2018
Shares 2,516,272 Value ($000) $2,843 Avg Close — Range —
Q3 2018
Shares 2,517,623 Value ($000) $6,949 Avg Close — Range —
Q2 2018
Shares 2,200,413 Value ($000) $7,855 Avg Close — Range —
Q1 2018
Shares 1,832,741 Value ($000) $5,627 Avg Close — Range —
Q4 2017
Shares 1,423,174 Value ($000) $8,966 Avg Close — Range —
Q3 2017
Shares 1,461,807 Value ($000) $9,998 Avg Close — Range —
Q2 2017
Shares 1,101,255 Value ($000) $7,853 Avg Close — Range —
Q1 2017
Shares 634,300 Value ($000) $5,829 Avg Close — Range —
Q4 2016
Shares 226,222 Value ($000) $912 Avg Close — Range —
Q3 2016
Shares 33,250 Value ($000) $127 Avg Close — Range —
Q2 2016
Shares 25,450 Value ($000) $109 Avg Close — Range —
Q1 2016
Shares 25,450 Value ($000) $118 Avg Close — Range —