Key facts
- This page summarizes Charles Elliott Sigal's Form 4 filing for ALNYLAM PHARMACEUTICALS, INC. (ALNY).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 12 Nov 2026, 16:05.
Charles Elliott Sigal - 10 Nov 2026 Form 4 Insider Report for ALNYLAM PHARMACEUTICALS, INC. (ALNY)
- Reporting relationship
- Director
- Issuer ticker
- ALNY
- Reported as of
- 10 Nov 2026
- Net transaction value
- +$243,600
- SEC form
- 4
- Accepted by SEC
- 12 Nov 2026, 16:05:24 UTC
- Prior SEC filing
- 28 May 2026
- Source filing
- View source filing
- Reporting owner signature
- Brett Budzinski, Attorney-in-Fact For: Charles Elliott Sigal
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Filing notes and source
Key filing fact
Charles Elliott Sigal filed Form 4 for ALNYLAM PHARMACEUTICALS, INC. (ALNY) on 12 Nov 2026.
Change
- Previous filing in this sequence was filed on 28 May 2026.
- Current net transaction value: +$243,600.
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 0001661908
Primary reporting owner
Sigal Charles Elliott
- Relationship
- Director
- Address
- 675 WEST KENDALL STREET, CAMBRIDGE
- Signature
- Brett Budzinski, Attorney-in-Fact For: Charles Elliott Sigal
- Signature date
- 12 Nov 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
ALNY
transaction
Common Stock
Purchase
- Transaction value
- $243,600
- Shares
- +1,600
- Change %
- +80%
- Price
- $152.25
- Shares after
- 3,600
- Date
- 10 Nov 2026
- Ownership
- by Trust
- Footnotes
- F1
ALNY
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,446
- Date
- 10 Nov 2026
- Ownership
- Direct
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
Shares held by Sigal Family Investments, LLC, of which the reporting person is Managing Member.