Akshay Vaishnaw - Feb 23, 2022 Form 4 Insider Report for ALNYLAM PHARMACEUTICALS, INC. (ALNY)

Role
President
Signature
By: /s/ Mary Beth DeLena, Attorney-in-Fact For: Akshay K. Vaishnaw
Stock symbol
ALNY
Transactions as of
Feb 23, 2022
Transactions value $
$0
Form type
4
Date filed
2/25/2022, 03:11 PM
Previous filing
Jan 4, 2022
Next filing
May 27, 2022

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 Stock Option (right to buy) Award $0 +29.8K $0.00 29.8K Feb 23, 2022 Common Stock 29.8K $147.47 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the time-vested stock option portion of the reporting person's Annual Equity Award for 2021. The reporting person also received 15,936 performance stock units that will vest upon the achievement of three specific performance conditions, which will be reported on a Form 4 if and when each performance condition is met and the performance stock units vest.
F2 The stock option vests 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.