BLUEPRINT MEDICINES CORP

CUSIP: 09627Y109 Class: Common Stock

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q4 2021
Shares 110,000 Value ($000) $11,782 Avg Close — Range —
Q3 2021
Shares 185,354 Value ($000) $19,056 Avg Close — Range —
Q2 2021
Shares 281,754 Value ($000) $24,783 Avg Close — Range —
Q1 2021
Shares 209,000 Value ($000) $20,321 Avg Close — Range —
Q4 2020
Shares 405,386 Value ($000) $45,464 Avg Close — Range —
Q3 2020
Shares 405,386 Value ($000) $37,579 Avg Close — Range —
Q2 2020
Shares 405,386 Value ($000) $31,620 Avg Close — Range —
Q1 2020
Shares 457,968 Value ($000) $26,782 Avg Close — Range —
Q4 2019
Shares 564,914 Value ($000) $45,255 Avg Close — Range —
Q3 2019
Shares 377,200 Value ($000) $27,713 Avg Close — Range —
Q2 2019
Shares 391,254 Value ($000) $36,907 Avg Close — Range —
Q1 2019
Shares 506,865 Value ($000) $40,575 Avg Close — Range —
Q4 2018
Shares 521,000 Value ($000) $28,087 Avg Close — Range —
Q3 2018
Shares 525,000 Value ($000) $40,982 Avg Close — Range —
Q2 2018
Shares 474,950 Value ($000) $30,150 Avg Close — Range —
Q1 2018
Shares 378,950 Value ($000) $34,750 Avg Close — Range —
Q4 2017
Shares 396,000 Value ($000) $29,862 Avg Close — Range —
Q3 2017
Shares 203,000 Value ($000) $14,143 Avg Close — Range —
Q2 2017
Shares 203,000 Value ($000) $10,286 Avg Close — Range —
Q1 2017
Shares 1,365,000 Value ($000) $54,586 Avg Close — Range —
Q4 2016
Shares 1,842,415 Value ($000) $51,680 Avg Close — Range —
Q3 2016
Shares 215,586 Value ($000) $6,403 Avg Close — Range —