Akshay Vaishnaw - Jun 18, 2021 Form 4 Insider Report for ALNYLAM PHARMACEUTICALS, INC. (ALNY)

Role
President, R&D
Signature
By: /s/ Mary Beth DeLena, Attorney-in-Fact For: Akshay K. Vaishnaw
Stock symbol
ALNY
Transactions as of
Jun 18, 2021
Transactions value $
-$1,850,405
Form type
4
Date filed
6/22/2021, 04:07 PM
Previous filing
Jun 7, 2021
Next filing
Aug 11, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALNY Common Stock Options Exercise $683K +10.8K +76.73% $63.00 25K Jun 18, 2021 Direct F1
transaction ALNY Common Stock Options Exercise $41K +970 +3.89% $42.22* 25.9K Jun 18, 2021 Direct F1
transaction ALNY Common Stock Sale -$2.57M -14.7K -56.74% $175.00 11.2K Jun 18, 2021 Direct F1
holding ALNY Common Stock 515 Jun 18, 2021 by Managed Account F2

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 ALNY Performance Stock Option 2013 (right to buy) Options Exercise $0 -10.8K -33.34% $0.00 21.7K Jun 18, 2021 Common Stock 10.8K $63.00 Direct F1
transaction ALNY Stock Option (right to buy) Options Exercise $0 -970 -29.06% $0.00 2.37K Jun 18, 2021 Common Stock 970 $42.22 Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 All sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 15, 2021.
F2 Reflects shares of ALNY common stock acquired by the reporting person under the ALNY 401(k) plan as a result of the ALNY 401(k) matching contribution program.
F3 The stock option vested as to 25% of the shares on the 1st anniversary of the date of the stock option grant and as to an additional 6.25% of the shares each successive three month period thereafter.