Filing Details

Accession Number:
0001735276-25-000072
Form Type:
4
Zero Holdings:
No
Publication Time:
2025-05-19 16:17:09
Reporting Period:
2025-05-15
Filing Date:
2025-05-19
Accepted Time:
2025-05-19 16:17:09
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1178670 Alnylam Pharmaceuticals Inc. ALNY Pharmaceutical Preparations (2834) 770602661
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1219016 W Michael Bonney 675 West Kendall Street
Henri A. Termeer Square
Cambridge MA 02142
Yes No No No
Transaction Summary
Sold: 11,250 shares Avg. Price: $277.71 Total Value: $3,124,216.94
Number of Shares After Transactions: 16,804 shares
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2025-05-15 11,250 $131.21 28,054 No 4 M Direct
Common Stock Disposition 2025-05-15 549 $267.14 27,505 No 4 S Direct
Common Stock Disposition 2025-05-15 729 $268.56 26,776 No 4 S Direct
Common Stock Disposition 2025-05-15 245 $269.79 26,531 No 4 S Direct
Common Stock Disposition 2025-05-15 431 $271.68 26,100 No 4 S Direct
Common Stock Disposition 2025-05-15 660 $273.16 25,440 No 4 S Direct
Common Stock Disposition 2025-05-15 882 $273.75 24,558 No 4 S Direct
Common Stock Disposition 2025-05-15 301 $275.63 24,257 No 4 S Direct
Common Stock Disposition 2025-05-15 1,263 $277.16 22,994 No 4 S Direct
Common Stock Disposition 2025-05-15 1,239 $278.01 21,755 No 4 S Direct
Common Stock Disposition 2025-05-15 432 $280.03 21,323 No 4 S Direct
Common Stock Disposition 2025-05-15 372 $281.10 20,951 No 4 S Direct
Common Stock Disposition 2025-05-15 802 $282.03 20,149 No 4 S Direct
Common Stock Disposition 2025-05-15 1,728 $282.81 18,421 No 4 S Direct
Common Stock Disposition 2025-05-15 1,617 $283.83 16,804 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Stock Option (right to buy) Disposition 2025-05-15 11,250 $0.00 11,250 $131.21
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2016-06-01 2025-06-01 No 4 M Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 4,000 Indirect by Trust
Footnotes
  1. This transaction was made pursuant to a Rule 10b5-1(c) trading plan adopted by the Reporting Person on November 12, 2024. The 11,250 options exercised and sold by the reporting person were due to expire on June 1, 2025.
  2. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $266.87 to $267.72. 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 $268.28 to $269.16. 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 $269.53 to $269.88. 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 $271.44 to $272.10. 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 $272.60 to $273.59. 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 $273.61 to $274.00. 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 $275.11 to $276.05. 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 price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $276.55 to $277.45. 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.
  10. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $277.77 to $278.43. 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.
  11. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $279.26 to $280.17. 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.
  12. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $280.38 to $281.37. 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.
  13. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $281.39 to $282.26. 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.
  14. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $282.40 to $283.37. 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.
  15. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $283.54 to $284.22. 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.
  16. The shares of ALNY common stock were purchased by the Michael W. Bonney Revocable Trust, of which the reporting person is trustee.
  17. The stock option was fully vested as of June 1, 2016.