David E. I. Pyott - 08 May 2025 Form 4 Insider Report for ALNYLAM PHARMACEUTICALS, INC. (ALNY)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
12 May 2025, 16:05:27 UTC
Prior SEC filing
25 Mar 2025
Next SEC filing
09 Jun 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
By: Brett Budzinski, Attorney-in-Fact For: David E.I. Pyott

Key filing fact

David E. I. Pyott filed Form 4 for ALNYLAM PHARMACEUTICALS, INC. (ALNY) on 12 May 2025.

Key facts

  • This page summarizes David E. I. Pyott's Form 4 filing for ALNYLAM PHARMACEUTICALS, INC. (ALNY).
  • 2 reported transactions and 1 derivative row are listed below.
  • Accepted by SEC: 12 May 2025, 16:05.

Change

  • Previous filing in this sequence was filed on 25 Mar 2025.
  • Current net transaction value: $0.

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

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001051578 Primary reporting owner

PYOTT DAVID E I

Relationship
Director
Address
675 WEST KENDALL STREET, HENRI A. TERMEER SQUARE, CAMBRIDGE
Signature
By: Brett Budzinski, Attorney-in-Fact For: David E.I. Pyott
Signature date
12 May 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ALNY transaction

Common Stock

Award

Transaction value
$0
Shares
+775
Change %
+570%
Price
$0.000000
Shares after
911
Date
08 May 2025
Ownership
Direct
Footnotes
F1
ALNY holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
27,900
Date
08 May 2025
Ownership
by Trust
Footnotes
F2

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
$0
Shares
+1,558
Change %
Price
$0.000000
Shares after
1,558
Date
08 May 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,558
Exercise price
$258.35
Footnotes
F3
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

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 in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date.

Footnote F2

The shares of ALNY common stock were purchased by the David E I Pyott Trust, of which the reporting person is trustee.

Footnote F3

The stock option vests in full upon the earlier of the first anniversary of the grant date and the date of any earlier retirement or resignation of the Reporting Person, provided such date of retirement or resignation occurs no more than 90 days prior to the first anniversary of the grant date.

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