BLUEPRINT MEDICINES CORP

CUSIP: 09627Y109 Class: Common Stock

Maven Securities LTD's Holding History (CIK: 0001633046)

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

Q4 2020
Shares 5,000 Value ($000) $575 Avg Close — Range —
Q4 2019
Shares 10,000 Value ($000) $809 Avg Close — Range —
Q1 2019
Shares 30,700 Value ($000) $2,467 Avg Close — Range —
Q4 2017
Shares 5,000 Value ($000) $388 Avg Close — Range —