TESARO INC

CUSIP: 881569107 Class: COM

EVENTIDE ASSET MANAGEMENT, LLC's Holding History (CIK: 0001442891)

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

Q2 2018
Shares 26,000 Value ($000) $1,156 Avg Close — Range —
Q1 2018
Shares 26,000 Value ($000) $1,486 Avg Close — Range —
Q4 2017
Shares 26,000 Value ($000) $2,155 Avg Close — Range —
Q3 2017
Shares 26,000 Value ($000) $3,357 Avg Close — Range —
Q2 2017
Shares 26,000 Value ($000) $3,636 Avg Close — Range —
Q1 2017
Shares 26,000 Value ($000) $4,001 Avg Close — Range —
Q4 2016
Shares 65,000 Value ($000) $8,741 Avg Close — Range —
Q3 2016
Shares 75,000 Value ($000) $7,518 Avg Close — Range —
Q2 2016
Shares 90,000 Value ($000) $7,565 Avg Close — Range —
Q1 2016
Shares 180,000 Value ($000) $7,925 Avg Close — Range —
Q4 2015
Shares 180,000 Value ($000) $9,418 Avg Close — Range —
Q3 2015
Shares 168,000 Value ($000) $6,737 Avg Close — Range —
Q2 2015
Shares 115,400 Value ($000) $6,784 Avg Close — Range —
Q1 2015
Shares 87,700 Value ($000) $5,034 Avg Close — Range —
Q4 2014
Shares 75,000 Value ($000) $2,789 Avg Close — Range —