Debra Durso-Bumpus - 01 Mar 2025 Form 4 Insider Report for Blueprint Medicines Corp (BPMC)

Role: CHIEF PEOPLE OFFICER
Signature: /s/ Melissa Masse, Attorney-in-Fact
Issuer symbol: BPMC
Transactions as of: 01 Mar 2025
Net transactions value: $0
Form type: 4
Filing time: 04 Mar 2025, 17:15:43 UTC
Previous filing: 08 Jul 2024
Next filing: 07 Mar 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BPMC	Common Stock	Award	$0	+11,000	+25%	$0.000000	54,763	01 Mar 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	BPMC	Stock Option (Right to Buy)	Award	$0	+22,000		$0.000000	22,000	01 Mar 2025	Common Stock	22,000	$96.57	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The reported transaction involved the Reporting Person's receipt of grant of 11,000 restricted stock units under the Issuer's 2024 Stock Incentive Plan.
F2	This option vests with respect to 1/48th of the shares underlying the option on April 1, 2025 and as to an additional 1/48th of the shares underlying the option each month thereafter.