SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Ausiello Dennis A

(Last) (First) (Middle)
675 WEST KENDALL STREET
HENRI A. TERMEER SQUARE

(Street)
CAMBRIDGE MA 02142

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
ALNYLAM PHARMACEUTICALS, INC. [ ALNY ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
08/06/2024
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 08/06/2024 M(1) 11,250 A $131.21 11,386 D
Common Stock 08/06/2024 M(1) 9,000 A $105.26 20,386 D
Common Stock 08/06/2024 S(1) 1,627 D $259.56(2) 18,759 D
Common Stock 08/06/2024 S(1) 3,742 D $260.4(3) 15,017 D
Common Stock 08/06/2024 S(1) 6,212 D $261.63(4) 8,805 D
Common Stock 08/06/2024 S(1) 4,367 D $262.79(5) 4,438 D
Common Stock 08/06/2024 S(1) 3,408 D $263.72(6) 1,030 D
Common Stock 08/06/2024 S(1) 632 D $264.95(7) 398 D
Common Stock 08/06/2024 S(1) 262 D $266.45(8) 136 D
Common Stock 3,500 I by Trust(9)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy) $105.26 08/06/2024 M(1) 9,000 06/20/2019(10) 06/19/2028 Common Stock 9,000 $0.0 0 D
Stock Option (right to buy) $131.21 08/06/2024 M(1) 11,250 06/01/2016(11) 06/01/2025 Common Stock 11,250 $0.0 0 D
Explanation of Responses:
1. All transactions reported on this Form 4 were made pursuant to a Rule 10b5-1(c) trading plan adopted by the reporting person on May 3, 2024.
2. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $258.85 to $259.85. 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.
3. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $259.87 to $260.84. 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.
4. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $261.21 to $262.21. 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.
5. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $262.26 to $263.26. 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.
6. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $263.29 to $264.20. 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.
7. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $264.37 to $265.09. 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.
8. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $266.39 to $266.66. 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.
9. The shares of ALNY common stock are held in a trust, of which the reporting person's spouse is the trustee.
10. This stock option was fully vested and exercisable as of June 20, 2019.
11. This stock option was fully vested and exercisable as of June 1, 2016.
By: Brett Budzinski, Attorney-in-Fact For: Dennis A. Ausiello 08/08/2024
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.