John Tsai - 21 Jun 2023 Form 4 Insider Report for Blueprint Medicines Corp (BPMC)

Role: Director
Signature: /s/ Melissa Masse
Issuer symbol: BPMC
Transactions as of: 21 Jun 2023
Net transactions value: $0
Form type: 4
Filing time: 23 Jun 2023, 19:05:31 UTC
Previous filing: 09 Jan 2023
Next filing: 14 Jun 2024
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	+2,600	+67%	$0.000000	6,500	21 Jun 2023	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	+5,300		$0.000000	5,300	21 Jun 2023	Common Stock	5,300	$63.66	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 a grant of restricted stock units. The restricted stock units vest with respect to 100% of the shares underlying the restricted stock units on the earlier of (i) June 21, 2024 and (ii) the next annual meeting of the Issuer's stockholders. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
F2	This option vests with respect to 100% of the shares underlying the option on the earlier of (i) June 21, 2024 and (ii) the next annual meeting of the Issuer's stockholders.

Content

The reported transaction involved the Reporting Person's receipt of a grant of restricted stock units. The restricted stock units vest with respect to 100% of the shares underlying the restricted stock units on the earlier of (i) June 21, 2024 and (ii) the next annual meeting of the Issuer's stockholders. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

This option vests with respect to 100% of the shares underlying the option on the earlier of (i) June 21, 2024 and (ii) the next annual meeting of the Issuer's stockholders.