LYTIR

Company · ALNY

Alnylam Pharmaceuticals, Inc.

Name as listed on its exchange; filed with the SEC as ALNYLAM PHARMACEUTICALS, INC.

Nasdaq's symbol directory lists ALNY on Nasdaq as “Alnylam Pharmaceuticals, Inc. - Common Stock”.

In the 12 months to Nov 8, 2026: insiders sold on 1 occasion ($399K); 1 planned-sale notice; 2 filings by holders of 5% or more; 1 congressional trade disclosure; 2 company reports (Form 8-K, since May 26, 2026).

All insider filings at the SEC

Insider trades · SEC Form 4

Those inside the hall

Open-market purchases and sales only. Legs one person filed for one day are combined.

Who traded

  1. SUPRAN BRYAN, EVP, CLO and Secretary sold on 1 day latest Oct 2, 2026 sold $399K
Every trade (1)
  1. SELLSUPRAN BRYAN, EVP, CLO and Secretary sold Oct 2, 2026 1,758 shares filing $399K

Planned sales · SEC Form 144

Notice given

A Form 144 is filed before an insider sells restricted stock. It states an intent; the sale, if it happens, appears later on a Form 4. Every recent notice

  1. SUPRAN BRYAN filed Oct 2, 2026 Officer 1,758 shares planned sale date 10/02/2026 filing $399K

Large holders · SEC Schedules 13D and 13G

Five percent and over

Anyone who comes to hold more than 5% of a company's voting shares must tell the SEC. A Schedule 13D is filed by a holder who may seek to influence the company; a 13G by one who states it is a passive investor. An amendment updates an earlier filing, and a stake reported as 0% means the holder says it has sold all, or nearly all, of its shares. Every recent 13D and 13G

  1. FMR LLC filed Nov 5, 2026 Schedule 13G/A passive 12,675,052 shares filing 9.5%
  2. Vanguard Portfolio Management filed Oct 30, 2026 Schedule 13G passive 6,732,082 shares filing 5.03%

Congress · STOCK Act

The Althing

Periodic transaction reports. Amounts are the ranges members report; the trade date is when it happened, the report can come up to 45 days later.

  1. Cory Booker (D-NJ): Sale (Full) Aug 11, 2026 reported Sep 9, 2026 one of 7 trades the member reported that day Senate Stock owner: spouse $1,001 - $15,000

Company reports · SEC Form 8-K

In its own words

Current reports the company filed with the SEC; most items are due within four business days of the event. Each line lists the report's items by the SEC's own titles; the filing says what happened. Reports collected since May 26, 2026; every 8-K at the SEC.

  1. Departure or appointment of directors or officers; Other events filing Nov 5, 2026
  2. Results of operations and financial condition filing Oct 29, 2026

Sources: SEC EDGAR (Forms 4, 144 and 8-K) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.