Filing Details

Accession Number:
0001735276-25-000033
Form Type:
4
Zero Holdings:
No
Publication Time:
2025-03-05 16:22:22
Reporting Period:
2025-03-03
Filing Date:
2025-03-05
Accepted Time:
2025-03-05 16:22:22
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
1849458 Tolga Tanguler 675 West Kendall Street
Henri A. Termeer Square
Cambridge MA 02142
Evp, Chief Commercial Officer No Yes No No
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 2025-03-03 14,137 $0.00 28,482 No 4 A Direct
Common Stock Disposition 2025-03-03 131 $242.37 28,351 No 4 S Direct
Common Stock Disposition 2025-03-03 142 $243.36 28,209 No 4 S Direct
Common Stock Disposition 2025-03-03 96 $244.41 28,113 No 4 S Direct
Common Stock Disposition 2025-03-03 70 $245.26 28,043 No 4 S Direct
Common Stock Disposition 2025-03-03 29 $246.18 28,014 No 4 S Direct
Common Stock Disposition 2025-03-03 3 $247.35 28,011 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 A 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) Acquisiton 2025-03-03 7,819 $0.00 7,819 $243.53
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
7,819 2035-03-03 No 4 A Direct
Footnotes
  1. These shares are represented by restricted stock units (RSUs) granted under the Amended and Restated 2018 Stock Incentive Plan. Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest over a three-year period, with one third vesting on each of the first, second and third anniversaries of the grant date, subject to the Reporting Persons continuous service with the Issuer as of each such vesting date.
  2. The Reporting Person has reported certain prior awards of RSUs in Table II of Form 4. The total reported in Column 5 includes the 14,137 newly awarded RSUs and 13,874 shares of common stock. The Reporting Person also holds 1,666 unvested RSUs that were previously reported in Table II.
  3. 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.
  4. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $241.87 to $242.86. 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 $242.89 to $243.88. 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.
  6. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $243.90 to $244.90. 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 $244.91 to $245.88. 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.
  8. The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $246.00 to $246.71. 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 $247.04 to $247.52. 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 stock option vests as to 25% of the shares on the first anniversary of the grant date and the remaining shares vest in equal installments at the end of each successive three-month period thereafter until the fourth anniversary of the grant date, subject to the Reporting Persons continuous service with the Issuer as of each such vesting date.