Laurie Keating - Jul 12, 2021 Form 4 Insider Report for ALNYLAM PHARMACEUTICALS, INC. (ALNY)

Role
EVP, Chief Legal Officer
Signature
By: /s/ Mary Beth DeLena, Attorney-in-Fact For: Laurie Keating
Stock symbol
ALNY
Transactions as of
Jul 12, 2021
Transactions value $
-$620,328
Form type
4
Date filed
7/14/2021, 04:58 PM
Previous filing
Jun 11, 2021
Next filing
Jul 29, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALNY Common Stock Options Exercise $154K +1.81K +35.31% $85.00 6.94K Jul 12, 2021 Direct F1
transaction ALNY Common Stock Options Exercise $445K +5K +72% $88.95 11.9K Jul 12, 2021 Direct F1
transaction ALNY Common Stock Sale -$324K -1.81K -15.17% $179.00 10.1K Jul 12, 2021 Direct F1
transaction ALNY Common Stock Sale -$895K -5K -49.35% $178.95 5.13K Jul 12, 2021 Direct F1
holding ALNY Common Stock 434 Jul 12, 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 Stock Option (right to buy) Options Exercise $0 -1.81K -9.54% $0.00 17.2K Jul 12, 2021 Common Stock 1.81K $85.00 Direct F1, F3
transaction ALNY Stock Option (right to buy) Options Exercise $0 -5K -35.71% $0.00 9K Jul 12, 2021 Common Stock 5K $88.95 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 September 10, 2020.
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.