// company-profile
Alnylam Pharmaceuticals, Inc.
ALNY// activity-summary
Recent insider activity is bullish. Over the last 30 days, 1 insider purchased shares. Buying was led by Cravatt Benjamin.
// 90-day insight
Over the last 90 days, Alnylam Pharmaceuticals, Inc. insiders bought $790K (21 transactions) and sold $519K (9 transactions).
- Most active insider: McLaughlin Melissa with 14 transactions totaling $1.3M.
- Largest single purchase: $790K by SCHULMAN AMY W on May 13, 2026.
- 53% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Alnylam Pharmaceuticals, Inc. as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 1, 2026 | PYOTT DAVID E I | ALNY | Option Exercise10b5 | 3,830 | $0.00 | $0K |
| Jun 1, 2026 | PYOTT DAVID E I | ALNY | Sale10b5 | 1,175 | $298.91 | $351K |
| Jun 1, 2026 | PYOTT DAVID E I | ALNY | Sale10b5 | 495 | $300.72 | $149K |
| Jun 1, 2026 | Cravatt Benjamin | ALNY | Award | 4,393 | $0.00 | $0K |
| Jun 1, 2026 | PYOTT DAVID E I | ALNY | Sale10b5 | 921 | $297.71 | $274K |
45 more transactions hidden
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