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 |
|---|---|---|---|---|---|---|
| 2026-06-05 | Incerti Carlo Director | Grant or award · Stock option (right to buy) | +35,152 | 35,152 | ||
| 2026-06-05 | Stehman-Breen Catherine Director | Grant or award · Stock option (right to buy) | +35,152 | 35,152 | ||
| 2026-06-05 | Posner Brian S Director | Grant or award · Stock option (right to buy) | +35,152 | 35,152 | ||
| 2026-06-03 | Posner Brian S Director | Purchase | +2,500 | $17.48 | $44K | 22,500 |
| 2026-05-26 | Posner Brian S Director | Purchase | +2,000 | $18.21 | $36K | 20,000 |
| 2026-05-20 | Posner Brian S Director | Purchase | +2,500 | $17.12 | $43K | 18,000 |
| 2026-05-13 | Friedl-Naderer Johanna Chief Commercial Officer | Sale 10b5-1 | −228 | $18.36 | $4K | 154,353 |
| 2026-05-13 | Kerr Douglas Chief Medical Officer | Sale 10b5-1 | −1,564 | $18.36 | $29K | 170,042 |
| 2026-05-13 | Lucera Erick Chief Financial Officer | Sale 10b5-1 | −1,448 | $18.36 | $27K | 123,925 |
| 2026-05-13 | Cox John CEO & President | Sale 10b5-1 | −3,311 | $18.36 | $61K | 370,834 |
| 2026-05-06 | Rhodes Jason P Director | Sale 10b5-1 | −21,926 | $18.18 | $399K | 1,549,288 |
| 2026-05-06 | Rhodes Jason P Director | Sale 10b5-1 | −43,621 | $18.18 | $793K | 4,883,494 |
| 2026-05-06 | Rhodes Jason P Director | Sale 10b5-1 | −428 | $18.18 | $8K | 7,962 |
| 2026-05-06 | Rhodes Jason P Director | Sale 10b5-1 | −17,244 | $18.18 | $313K | 1,136,810 |
| 2026-05-05 | Rhodes Jason P Director | Sale 10b5-1 | −3,056 | $18.03 | $55K | 1,571,214 |
| 2026-05-05 | Rhodes Jason P Director | Sale 10b5-1 | −6,081 | $18.03 | $110K | 4,927,115 |
| 2026-05-05 | Rhodes Jason P Director | Sale 10b5-1 | −60 | $18.03 | $1K | 8,390 |
| 2026-05-05 | Rhodes Jason P Director | Sale 10b5-1 | −2,403 | $18.03 | $43K | 1,154,054 |
| 2026-05-04 | Rhodes Jason P Director | Sale 10b5-1 | −3,136 | $18.00 | $56K | 1,574,270 |
| 2026-05-04 | Rhodes Jason P Director | Sale 10b5-1 | −6,241 | $18.00 | $112K | 4,933,196 |
Page 4 of 29 · 561 trades