Indrani Franchini - Feb 1, 2023 Form 4 Insider Report for ALNYLAM PHARMACEUTICALS, INC. (ALNY)

Signature
By: /s/ Cynthia L Anderson, Attorney-in-Fact For: Indrani Franchini
Stock symbol
ALNY
Transactions as of
Feb 1, 2023
Transactions value $
-$378,563
Form type
4
Date filed
2/3/2023, 04:46 PM
Previous filing
Feb 9, 2022
Next filing
Mar 1, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALNY Common Stock Options Exercise $0 +5.18K $0.00 5.18K Feb 1, 2023 Direct
transaction ALNY Common Stock Sale -$17.2K -77 -1.49% $223.97 5.1K Feb 2, 2023 Direct F1, F2
transaction ALNY Common Stock Sale -$227K -1.01K -19.75% $225.80 4.09K Feb 2, 2023 Direct F1, F3
transaction ALNY Common Stock Sale -$133K -586 -14.32% $226.62 3.51K Feb 2, 2023 Direct F1, F4
transaction ALNY Common Stock Sale -$1.14K -5 -0.14% $227.38 3.5K Feb 2, 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 ALNY Restricted Stock Units Options Exercise $0 -5.18K -33.33% $0.00 10.4K Feb 1, 2023 Common Stock 5.18K Direct F5, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares automatically sold by the Company on behalf of the reporting person pursuant to a mandatory sell-to-cover provision in the award agreement required to cover minimum statutory tax withholding obligations that became due upon the vesting and settlement of restricted stock units reported in this form.
F2 The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $223.42 to $224.25. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
F3 The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $225.21 to $226.20. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
F4 The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $226.23 to $227.12. The reporting person will provide to the issuer, any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
F5 Each restricted stock unit represents a contingent right to receive one share of ALNY common stock.
F6 On February 1, 2022 the reporting person received 15,525 restricted stock units that vest ratably on each of the first, second and third anniversaries of the Grant Date. On February 1, 2023 the first third vested and released as reported on this Form 4.