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Alnylam Pharmaceuticals, Inc. (ALNY) has had 34 insider transactions recently, with net insider activity of +$16K (net buying). The most active insider is McLaughlin Melissa (Officer: chief human resources officer).
Total Transactions
34
19 buys /15 sells
Shares Acquired
30,786
Transactions: 19•Avg: 1,620.32
Shares Disposed
15,160
Transactions: 15•Avg: 1,010.67
Net Activity
+15,626
Net Buying•Ratio: 126.67%
Q2 2026(Current) | 30,786 | 15,160 | +15,626 | 126.67% |
Q1 2026 | 300,278 | 83,667 | +216,611 | 12.50% |
Q4 2025 | 91,161 | 99,957 | -8,796 | 17.14% |
Q3 2025 | 95,910 | 139,766 | -43,856 | 15.91% |
Q2 2025 | 85,517 | 167,926 | -82,409 | 104.17% |
This table shows insider trading activity by quarter. A ratio > 100% indicates insiders acquired more shares than they disposed of during the period, which is generally considered a bullish signal.
• Most recent data for Q2 2026
Acquired vs Disposed Shares
Net Accumulation: 15,626 shares•Acquired/Disposed Ratio: 126.67%
Net Activity | |||||
|---|---|---|---|---|---|
MM McLaughlin Melissa | Officer: chief human resources officer | 16 | 0 | 7,477 | -7,477 |
GP Garg Pushkal | Officer: evp chief r&d | 12 | 0 | 4,713 | -4,713 |
CB Cravatt Benjamin | Director | 2 | 4,393 | 0 | +4,393 |
GY Greenstreet Yvonne | Director, officer: chief executive officer | 8 | 0 | 2,933 | -2,933 |
SAW SCHULMAN AMY W | Director | 4 | 13,890 | 11,250 | +2,640 |
This table shows the trading activity of the most active company insiders. Positive net activity (buying more than selling) is often considered a bullish signal.
2026-06-01 | Director | Purchase | 3,830 | $0 | $0 | 5,412 | |
2026-06-01 | Director | Sale | 921 | $297.71 | $274,190.91 | 4,491 | |
2026-06-01 | Director | Sale | 1,175 | $298.91 | $351,219.25 | 3,316 | |
2026-06-01 | Director | Sale | 1,222 | $299.87 | $366,441.14 | 2,094 | |
2026-06-01 | Director | Sale | 495 | $300.72 | $148,856.4 | 1,599 |
This table displays recent Form 4 filings showing transactions by company insiders. SEC rules require insiders to report their transactions within two business days.
PDEI PYOTT DAVID E I | Director | Jun 3, 2026 | |
PDEI PYOTT DAVID E I | Director | Jun 3, 2026 | |
PDEI PYOTT DAVID E I | Director | Jun 3, 2026 | |
PDEI PYOTT DAVID E I | Director | Jun 3, 2026 | |
PDEI PYOTT DAVID E I | Director | Jun 3, 2026 |
Net change in shares shown on right