CIK 0001818794 · Large accelerated filer
Dyne Therapeutics, Inc.
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- DYN
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 364883909
- Phone
- (781) 786-8230
- Business address
- 1560 TRAPELO ROAD, WALTHAM, MA, 02451
- Open-market buys, last 90 days
- $40,000
- in 1 filing
- Open-market sales, last 90 days
- $247,777
- in 3 filings, $248K under 10b5-1 plans
Net −$207,777. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-10-20 | Kerr Douglas Head of R&D and CMO | Grant or award | +8,000 | 170,564 | ||
| 2026-10-20 | Kerr Douglas Head of R&D and CMO | Grant or award · Stock option (right to buy) | +12,000 | 12,000 | ||
| 2026-09-08 | Kerr Douglas Chief Medical Officer | Sale 10b5-1 | −1,290 | $18.88 | $24K | 162,564 |
| 2026-09-04 | Kerr Douglas Chief Medical Officer | Sale 10b5-1 | −3,745 | $24.35 | $91K | 163,854 |
| 2026-08-13 | Kerr Douglas Chief Medical Officer | Sale 10b5-1 | −1,556 | $26.28 | $41K | 167,599 |
| 2026-06-16 | Kerr Douglas Chief Medical Officer | Sale 10b5-1 | −887 | $18.33 | $16K | 169,155 |
| 2026-05-13 | Kerr Douglas Chief Medical Officer | Sale 10b5-1 | −1,564 | $18.36 | $29K | 170,042 |
| 2026-03-05 | Kerr Douglas Chief Medical Officer | Sale 10b5-1 | −904 | $14.90 | $13K | 171,606 |
| 2026-02-12 | Kerr Douglas Chief Medical Officer | Grant or award | +85,000 | 172,510 | ||
| 2026-02-12 | Kerr Douglas Chief Medical Officer | Grant or award · Stock option (right to buy) | +130,000 | 130,000 | ||
| 2025-12-05 | Kerr Douglas Chief Medical Officer | Sale 10b5-1 | −880 | $20.72 | $18K | 87,510 |
| 2025-09-05 | Kerr Douglas Chief Medical Officer | Sale 10b5-1 | −873 | $13.41 | $12K | 88,390 |
| 2025-09-04 | Kerr Douglas Chief Medical Officer | Sale 10b5-1 | −3,552 | $13.27 | $47K | 89,263 |
| 2025-07-16 | Kerr Douglas Chief Medical Officer | Grant or award · Stock option (right to buy) | +65,110 | 65,110 | ||
| 2025-06-05 | Kerr Douglas Chief Medical Officer | Sale 10b5-1 | −1,342 | $13.35 | $18K | 92,815 |
| 2025-03-05 | Kerr Douglas Chief Medical Officer | Sale 10b5-1 | −1,343 | $11.83 | $16K | 94,157 |
| 2024-12-04 | Kerr Douglas Chief Medical Officer | Grant or award | +48,000 | 95,500 | ||
| 2024-12-04 | Kerr Douglas Chief Medical Officer | Grant or award · Stock option (right to buy) | +76,600 | 76,600 | ||
| 2024-09-03 | Kerr Douglas Chief Medical Officer | Grant or award | +47,500 | 47,500 | ||
| 2024-09-03 | Kerr Douglas Chief Medical Officer | Grant or award · Stock Option (Right to Buy) | +150,300 | 150,300 |
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