Transactions
1
Insider / ALNYLAM PHARMACEUTICALS, INC.
SUPRAN BRYAN
EVP, CLO and Secretary at ALNYLAM PHARMACEUTICALS, INC.
- Ticker
- ALNY
- First filing on record
- October 6, 2026
- Latest trade on record
- October 2, 2026
- SEC filings
- EDGAR ↗
SUPRAN BRYAN, EVP, CLO and Secretary at ALNYLAM PHARMACEUTICALS, INC., has disclosed 1 transaction in ALNY since October 6, 2026: 0 purchases (0 open-market buys) and 1 sale, worth about $399K at the reported prices. The latest was filed October 6, 2026, 4 days after the trade.
Open-market buys
0
Sales
1
Avg. disclosure lag
4.0d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)
In the last 12 months SUPRAN BRYAN made no purchases and 1 sale worth $399K. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
SUPRAN BRYAN has traded 1 stock on record; the largest by dollars is ALNY.
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| S | Open-market sale | 1 | 1,758 | $399K |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 1 | 0 | 1 · $399K |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| ALNY | Sell S | October 2, 2026 | October 6, 2026 | 4d | 1,758 | $227 | $399K | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| October 6, 2026 | Form 4 | 0001178670-26-000068 | 1 | published | EDGAR ↗ |
Other insiders at ALNYLAM PHARMACEUTICALS, INC.
- PYOTT DAVID E I Director 9 rows
- BRANDICOURT OLIVIER Director 6 rows
- SCHULMAN AMY W Director 3 rows
- HAMBURG MARGARET A Director 2 rows
- KELLOGG PETER N Director 2 rows
- Reitan Colleen F Director 2 rows
- Sigal Charles Elliott Director 2 rows
- Cravatt Benjamin Director 1 row
- Greenstreet Yvonne Chief Executive Officer 1 row
Everyone on file, with contracts and lobbying under the company's name: ALNYLAM PHARMACEUTICALS, INC..
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 1 | 1 | October 6, 2026 | October 6, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.