TESARO INC

CUSIP: 881569107 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q1 2017
Shares 71,445 Value ($000) $10,993 Avg Close — Range —
Q4 2016
Shares 80,645 Value ($000) $10,845 Avg Close — Range —