Director, Chief Executive Officer · ALNYLAM PHARMACEUTICALS, INC. · Common Stock
Side
F
Value
$499K
Shares
1,121
Price
$445.12
Executed
Nov 26, 2025
Disclosed
Dec 1, 2025
Disclosure timeline5 days from execution to publication · legal deadline 2 business days
Nov 26 executedDec 1, 2025 disclosed
ALNY · daily
Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.
Tax withholding — administrative, little informational value
Relative size+7 / 25
$499K reported value · 1.7% of prior position
Filing timing+6 / 15
Disclosed 3 business days after execution (deadline: 2)
Historical behavior+1 / 15
Routine: 20 prior trades recorded in this security
Frequency & clustering0 / 15
No clustered activity in the dataset
Market events0 / 10
No material company filing within 60 days after the trade
The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.
Greenstreet Yvonne filed this Form 4 reporting a tax withholding of ALNY on Nov 26, 2025. It became public on Dec 1, 2025. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.
Extraction
Method
Form 4 XML
Confidence
1.00
Director, Chief Executive Officer
Greenstreet Yvonnecik:0001446125
Issuer
ALNYLAM PHARMACEUTICALS, INC.cik:0001178670
Revision history · 0
No field has changed since this record was first ingested.
