BLUEPRINT MEDICINES CORP

CUSIP: 09627Y109 Class: Common Stock

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q1 2019
Shares 13,900 Value ($000) $1,113 Avg Close — Range —
Q3 2018
Shares 52,951 Value ($000) $4,133 Avg Close — Range —
Q2 2018
Shares 73,585 Value ($000) $4,671 Avg Close — Range —
Q1 2018
Shares 13,156 Value ($000) $1,206 Avg Close — Range —
Q4 2017
Shares 10,695 Value ($000) $807 Avg Close — Range —
Q3 2017
Shares 16,686 Value ($000) $1,163 Avg Close — Range —
Q2 2017
Shares 43,311 Value ($000) $2,195 Avg Close — Range —
Q1 2017
Shares 35,000 Value ($000) $1,400 Avg Close — Range —