BLUEPRINT MEDICINES CORP

CUSIP: 09627Y109 Class: Common Stock

ARDSLEY ADVISORY PARTNERS LP's Holding History (CIK: 0000900529)

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

Q2 2020
Shares 3,500 Value ($000) $273 Avg Close — Range —
Q4 2019
Shares 4,500 Value ($000) $360 Avg Close — Range —