Dyne Therapeutics, Inc.
DYN
55 insider filings · Latest: Oct 2, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | Oct 6 8:15 PM | Brian S PosnerDirector | Purchase | 2,500 | $16.00 | $40.0K | 27,000(D) | View → |
| Sep 8, 2026 | Sep 8 8:39 PM | Cox John | Proposed Sale | 5,658 | $18.88 | $106.8K | — | View → |
| Sep 8, 2026 | Sep 8 8:38 PM | Kerr Douglas | Proposed Sale | 35 | $18.89 | $661 | — | View → |
| Sep 8, 2026 | Sep 8 8:15 PM | Johanna Friedl-NadererChief Commercial Officer | Sale | 185 | $18.88 | $3.5K | 152,897(D) | View → |
| Sep 4, 2026 | Sep 8 8:15 PM | Johanna Friedl-NadererChief Commercial Officer | Sale | 900 | $24.35 | $21.9K | 153,082(D) | View → |
| Sep 8, 2026 | Sep 8 8:14 PM | Douglas KerrChief Medical Officer | Sale | 1,290 | $18.88 | $24.4K | 162,564(D) | View → |
| Sep 4, 2026 | Sep 8 8:14 PM | Douglas KerrChief Medical Officer | Sale | 3,745 | $24.35 | $91.2K | 163,854(D) | View → |
| Sep 8, 2026 | Sep 8 8:13 PM | John CoxDirector, CEO & President | Sale | 5,658 | $18.88 | $106.8K | 357,507(D) | View → |
| Sep 4, 2026 | Sep 4 8:02 PM | Kerr Douglas | Proposed Sale | 5,000 | $24.35 | $121.7K | — | View → |
| Aug 14, 2026 | Aug 17 9:30 PM | Jason P RhodesDirector | Sale | 2,160,516 | $25.00 | $54.0M | 428,946(I) | View → |
| Aug 13, 2026 | Aug 17 9:30 PM | Jason P RhodesDirector | Sale | 426,412 | $26.20 | $11.2M | 751,411(I) | View → |
| Aug 13, 2026 | Aug 17 8:08 PM | Johanna Friedl-NadererChief Commercial Officer | Sale | 226 | $26.28 | $5.9K | 153,982(D) | View → |
| Aug 13, 2026 | Aug 17 8:08 PM | Douglas KerrChief Medical Officer | Sale | 1,556 | $26.28 | $40.9K | 167,599(D) | View → |
| Aug 13, 2026 | Aug 17 8:07 PM | John CoxDirector, CEO & President | Sale | 4,986 | $26.28 | $131.0K | 363,165(D) | View → |
| Aug 13, 2026 | Aug 17 8:06 PM | Erick LuceraChief Financial Officer | Sale | 1,797 | $26.28 | $47.2K | 119,766(D) | View → |
| Aug 14, 2026 | Aug 14 9:47 PM | Atlas Venture Opportunity Fund I, LP | Proposed Sale | 322,465 | $25.96 | $8.4M | — | View → |
| Aug 14, 2026 | Aug 14 9:47 PM | Atlas Venture Fund XI, LP | Proposed Sale | 1,359,674 | $25.96 | $35.3M | — | View → |
| Aug 14, 2026 | Aug 14 9:46 PM | Atlas Venture Opportunity Fund II, LP | Proposed Sale | 478,377 | $25.96 | $12.4M | — | View → |
| Aug 13, 2026 | Aug 13 9:36 PM | Atlas Venture Opportunity Fund II, LP | Proposed Sale | 94,415 | $26.17 | $2.5M | — | View → |
| Aug 13, 2026 | Aug 13 9:36 PM | Atlas Venture Fund XI, LP | Proposed Sale | 268,354 | $26.17 | $7.0M | — | View → |
Page 1 of 10
Next →
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Jun 22, 2026 | Jun 23 8:07 PM | Barry E GreeneDirector | Grant/Award | 57,463 | $20.87 | 57,463(D) | View → |
| Jun 5, 2026 | Jun 9 9:15 PM | Edward HurwitzDirector | Grant/Award | 35,152 | $17.04 | 35,152(D) | View → |
| Jun 5, 2026 | Jun 9 9:13 PM | David Charles LubnerDirector | Grant/Award | 35,152 | $17.04 | 35,152(D) | View → |
| Jun 5, 2026 | Jun 9 9:13 PM | Jason P RhodesDirector | Grant/Award | 35,152 | $17.04 | 35,152(D) | View → |
| Jun 5, 2026 | Jun 9 9:12 PM | Dirk KerstenDirector | Grant/Award | 35,152 | $17.04 | 35,152(D) | View → |
| Jun 5, 2026 | Jun 9 9:12 PM | Carlo IncertiDirector | Grant/Award | 35,152 | $17.04 | 35,152(D) | View → |
| Jun 5, 2026 | Jun 9 9:09 PM | Catherine Stehman-BreenDirector | Grant/Award | 35,152 | $17.04 | 35,152(D) | View → |
| Jun 5, 2026 | Jun 9 9:06 PM | Brian S PosnerDirector | Grant/Award | 35,152 | $17.04 | 35,152(D) | View → |
| Feb 12, 2026 | Feb 17 10:11 PM | John CoxDirector, CEO & President | Grant/Award | 285,000 | $16.00 | 285,000(D) | View → |
| Feb 12, 2026 | Feb 17 10:10 PM | Douglas KerrChief Medical Officer | Grant/Award | 130,000 | $16.00 | 130,000(D) | View → |
| Feb 12, 2026 | Feb 17 10:09 PM | Johanna Friedl-NadererChief Commercial Officer | Grant/Award | 90,000 | $16.00 | 90,000(D) | View → |
| Feb 12, 2026 | Feb 17 10:08 PM | Erick LuceraChief Financial Officer | Grant/Award | 105,000 | $16.00 | 105,000(D) | View → |