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 |
|---|---|---|---|---|---|---|
| 2026-06-24 | Rhodes Jason P Director | Sale 10b5-1 | −50,530 | $21.02 | $1.1M | 4,755,109 |
| 2026-06-24 | Rhodes Jason P Director | Sale 10b5-1 | −25,397 | $21.02 | $534K | 1,484,760 |
| 2026-06-24 | Rhodes Jason P Director | Sale 10b5-1 | −19,973 | $21.02 | $420K | 1,086,063 |
| 2026-06-23 | Rhodes Jason P Director | Sale 10b5-1 | −77,855 | $21.13 | $1.6M | 4,805,639 |
| 2026-06-23 | Rhodes Jason P Director | Sale 10b5-1 | −39,131 | $21.13 | $827K | 1,510,157 |
| 2026-06-23 | Rhodes Jason P Director | Sale 10b5-1 | −30,774 | $21.13 | $650K | 1,106,036 |
| 2026-06-23 | Kersten Dirk Director | Sale 10b5-1 | −71,629 | $21.04 | $1.5M | 3,849,913 |
| 2026-06-23 | Kersten Dirk Director | Sale 10b5-1 | −1,657 | $21.47 | $36K | 3,848,256 |
| 2026-06-22 | Kersten Dirk Director | Sale 10b5-1 | −190,676 | $20.57 | $3.9M | 3,921,542 |
| 2026-06-22 | Greene Barry E Director | Grant or award · Stock option (right to buy) | +57,463 | 57,463 | ||
| 2026-06-18 | Kersten Dirk Director | Sale 10b5-1 | −46,901 | $20.07 | $941K | 4,112,218 |
| 2026-06-17 | Kersten Dirk Director | Sale 10b5-1 | −37,454 | $20.14 | $754K | 4,159,119 |
| 2026-06-16 | Friedl-Naderer Johanna Chief Commercial Officer | Sale 10b5-1 | −145 | $18.33 | $3K | 154,208 |
| 2026-06-16 | Kerr Douglas Chief Medical Officer | Sale 10b5-1 | −887 | $18.33 | $16K | 169,155 |
| 2026-06-16 | Cox John CEO & President | Sale 10b5-1 | −2,683 | $18.33 | $49K | 368,151 |
| 2026-06-08 | Posner Brian S Director | Purchase | +2,000 | $16.94 | $34K | 24,500 |
| 2026-06-05 | HURWITZ EDWARD Director | Grant or award · Stock option (right to buy) | +35,152 | 35,152 | ||
| 2026-06-05 | Lubner David Charles Director | Grant or award · Stock option (right to buy) | +35,152 | 35,152 | ||
| 2026-06-05 | Rhodes Jason P Director | Grant or award · Stock option (right to buy) | +35,152 | 35,152 | ||
| 2026-06-05 | Kersten Dirk Director | Grant or award · Stock option (right to buy) | +35,152 | 35,152 |
Page 3 of 29 · 561 trades