Christopher K. Murray - Feb 28, 2024 Form 4 Insider Report for Blueprint Medicines Corp (BPMC)

Signature
/s/ Melissa Masse, Attorney-in-Fact
Stock symbol
BPMC
Transactions as of
Feb 28, 2024
Transactions value $
-$229,350
Form type
4
Date filed
3/1/2024, 03:06 PM
Previous filing
Dec 11, 2023
Next filing
Mar 6, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BPMC Common Stock Options Exercise $271K +5K +20.41% $54.13 29.5K Feb 28, 2024 Direct F1
transaction BPMC Common Stock Sale -$500K -5K -16.95% $100.00 24.5K Feb 28, 2024 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) Options Exercise $0 -5K -38.46% $0.00 8K Feb 28, 2024 Common Stock 5K $54.13 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Explanation of Responses:

Id Content
F1 Effected pursuant to a trading plan adopted on June 5, 2023 in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.
F2 This option was granted on March 1, 2020. This option vested with respect to 1/48th of the shares underlying the option on April 1, 2020 and as to an additional 1/48th of the shares underlying the option each month thereafter.