Key facts
- This page summarizes Tolga Tanguler's Form 4 filing for ALNYLAM PHARMACEUTICALS, INC. (ALNY).
- 12 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 04 Mar 2026, 19:30.
Tolga Tanguler - 02 Mar 2026 Form 4 Insider Report for ALNYLAM PHARMACEUTICALS, INC. (ALNY)
- Reporting relationship
- EVP, Chief Commercial Officer
- Issuer ticker
- ALNY
- Reported as of
- 02 Mar 2026
- Net transaction value
- -$523,584
- SEC form
- 4
- Accepted by SEC
- 04 Mar 2026, 19:30:06 UTC
- Prior SEC filing
- 02 Mar 2026
- Next SEC filing
- 06 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- By: Brett Budzinski, Attorney-in-Fact For: Tolga Tanguler
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Tolga Tanguler filed Form 4 for ALNYLAM PHARMACEUTICALS, INC. (ALNY) on 04 Mar 2026.
Change
- Previous filing in this sequence was filed on 02 Mar 2026.
- Current net transaction value: -$523,584.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001849458
Primary reporting owner
Tanguler Tolga
- Relationship
- EVP, Chief Commercial Officer
- Address
- 675 WEST KENDALL STREET, HENRI A. TERMEER SQUARE, CAMBRIDGE
- Signature
- By: Brett Budzinski, Attorney-in-Fact For: Tolga Tanguler
- Signature date
- 04 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
ALNY
transaction
Common Stock
Award
- Transaction value
- Shares
- +4,769
- Change %
- +14%
- Price
- $0.000000*
- Shares after
- 38,204
- Date
- 02 Mar 2026
- Ownership
- Direct
- Footnotes
- F1
ALNY
transaction
Common Stock
Sale
- Transaction value
- $15,210
- Shares
- -47
- Change %
- -0.12%
- Price
- $323.62
- Shares after
- 38,157
- Date
- 02 Mar 2026
- Ownership
- Direct
- Footnotes
- F2, F3
ALNY
transaction
Common Stock
Sale
- Transaction value
- $29,218
- Shares
- -90
- Change %
- -0.24%
- Price
- $324.65
- Shares after
- 38,067
- Date
- 02 Mar 2026
- Ownership
- Direct
- Footnotes
- F2, F4
ALNY
transaction
Common Stock
Sale
- Transaction value
- $84,013
- Shares
- -258
- Change %
- -0.68%
- Price
- $325.63
- Shares after
- 37,809
- Date
- 02 Mar 2026
- Ownership
- Direct
- Footnotes
- F2, F5
ALNY
transaction
Common Stock
Sale
- Transaction value
- $128,110
- Shares
- -392
- Change %
- -1%
- Price
- $326.81
- Shares after
- 37,417
- Date
- 02 Mar 2026
- Ownership
- Direct
- Footnotes
- F2, F6
ALNY
transaction
Common Stock
Sale
- Transaction value
- $107,803
- Shares
- -329
- Change %
- -0.88%
- Price
- $327.67
- Shares after
- 37,088
- Date
- 02 Mar 2026
- Ownership
- Direct
- Footnotes
- F2, F7
ALNY
transaction
Common Stock
Sale
- Transaction value
- $32,871
- Shares
- -100
- Change %
- -0.27%
- Price
- $328.71
- Shares after
- 36,988
- Date
- 02 Mar 2026
- Ownership
- Direct
- Footnotes
- F2, F8
ALNY
transaction
Common Stock
Sale
- Transaction value
- $56,051
- Shares
- -170
- Change %
- -0.46%
- Price
- $329.71
- Shares after
- 36,818
- Date
- 02 Mar 2026
- Ownership
- Direct
- Footnotes
- F2, F9
ALNY
transaction
Common Stock
Sale
- Transaction value
- $26,799
- Shares
- -81
- Change %
- -0.22%
- Price
- $330.85
- Shares after
- 36,737
- Date
- 02 Mar 2026
- Ownership
- Direct
- Footnotes
- F2, F10
ALNY
transaction
Common Stock
Sale
- Transaction value
- $31,201
- Shares
- -94
- Change %
- -0.26%
- Price
- $331.93
- Shares after
- 36,643
- Date
- 02 Mar 2026
- Ownership
- Direct
- Footnotes
- F2, F11
ALNY
transaction
Common Stock
Sale
- Transaction value
- $12,308
- Shares
- -37
- Change %
- -0.1%
- Price
- $332.64
- Shares after
- 36,606
- Date
- 02 Mar 2026
- Ownership
- Direct
- Footnotes
- F2, F12
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
ALNY
transaction
Derivative
Stock Option (right to buy)
Award
- Transaction value
- Shares
- +10,480
- Change %
- Price
- $0.000000*
- Shares after
- 10,480
- Date
- 02 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 10,480
- Exercise price
- $325.07
- Footnotes
- F13
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 13 footnotes
Footnote F1
These shares are represented by restricted stock units (RSUs) granted under the Second 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.
Footnote F2
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 to cover minimum statutory tax withholding obligations.
Footnote F3
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $323.16 to $324.15. 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.
Footnote F4
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $324.20 to $325.20. 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.
Footnote F5
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $325.21 to $326.21. 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.
Footnote F6
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $326.23 to $327.23. 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.
Footnote F7
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $327.24 to $328.24. 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.
Footnote F8
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $328.28 to $329.26. 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.
Footnote F9
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $329.29 to $330.29. 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.
Footnote F10
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $330.30 to $331.30. 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.
Footnote F11
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $331.32 to $332.31. 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.
Footnote F12
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $332.34 to $332.24. 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.
Footnote F13
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.