TESARO INC

CUSIP: 881569107 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2018
Shares 89,202 Value ($000) $3,480 Avg Close — Range —
Q2 2018
Shares 64,354 Value ($000) $2,862 Avg Close — Range —
Q1 2018
Shares 50,140 Value ($000) $2,865 Avg Close — Range —
Q4 2017
Shares 77,701 Value ($000) $6,439 Avg Close — Range —
Q2 2017
Shares 57,233 Value ($000) $8,005 Avg Close — Range —
Q1 2017
Shares 34,576 Value ($000) $5,320 Avg Close — Range —
Q4 2016
Shares 6,834 Value ($000) $919 Avg Close — Range —
Q3 2016
Shares 7,320 Value ($000) $734 Avg Close — Range —
Q3 2015
Shares 6,329 Value ($000) $254 Avg Close — Range —
Q2 2015
Shares 4,261 Value ($000) $251 Avg Close — Range —
Q1 2015
Shares 14,193 Value ($000) $815 Avg Close — Range —
Q4 2014
Shares 13,053 Value ($000) $485 Avg Close — Range —
Q3 2014
Shares 23,832 Value ($000) $642 Avg Close — Range —
Q2 2014
Shares 18,162 Value ($000) $565 Avg Close — Range —
Q4 2013
Shares 17,973 Value ($000) $508 Avg Close — Range —