Dyne Therapeutics, Inc.
DYN
25 insider filings · Latest: May 13, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Apr 16, 2026 | Apr 17 8:05 PM | Dirk KerstenDirector | Sale | 17,773 | $20.71 | $368.1K | 4,544,773(I) | View → |
| Apr 15, 2026 | Apr 17 8:05 PM | Dirk KerstenDirector | Sale | 81,840 | $20.27 | $1.7M | 4,562,546(I) | View → |
| Apr 1, 2026 | Apr 3 8:10 PM | Erick LuceraChief Financial Officer | Sale | 5,727 | $18.64 | $106.8K | 125,373(D) | View → |
| Mar 30, 2026 | Apr 1 8:27 PM | Brian S PosnerDirector | Purchase | 2,000 | $17.08 | $34.2K | 15,500(D) | View → |
| Apr 1, 2026 | Apr 1 8:06 PM | Lucera Erick | Proposed Sale | 5,727 | $18.64 | $106.8K | — | View → |
| Mar 11, 2026 | Mar 13 8:46 PM | Brian S PosnerDirector | Purchase | 2,000 | $19.35 | $38.7K | 13,500(D) | View → |
| Mar 11, 2026 | Mar 13 8:35 PM | Dirk KerstenDirector | Sale | 129,672 | $19.52 | $2.5M | 4,644,386(I) | View → |
| Mar 10, 2026 | Mar 11 9:27 PM | Dirk KerstenDirector | Sale | 511,098 | $19.57 | $10.0M | 4,774,058(I) | View → |
| Mar 9, 2026 | Mar 11 9:27 PM | Dirk KerstenDirector | Sale | 177,690 | $17.72 | $3.1M | 5,285,156(I) | View → |
| Mar 11, 2026 | Mar 11 8:05 PM | ForDyne B.V. | Proposed Sale | 807,295 | $19.75 | $15.9M | — | View → |
| Mar 6, 2026 | Mar 10 9:33 PM | Brian S PosnerDirector | Purchase | 3,000 | $15.06 | $45.2K | 11,500(D) | View → |
| Mar 9, 2026 | Mar 9 8:09 PM | ForDyne B.V. | Proposed Sale | 807,295 | $17.72 | $14.3M | — | View → |
| Mar 5, 2026 | Mar 6 9:10 PM | Johanna Friedl-NadererChief Commercial Officer | Sale | 148 | $14.90 | $2.2K | 154,581(D) | View → |
| Mar 5, 2026 | Mar 6 9:09 PM | Douglas KerrChief Medical Officer | Sale | 904 | $14.90 | $13.5K | 171,606(D) | View → |
| Mar 5, 2026 | Mar 6 9:08 PM | John CoxDirector, CEO & President | Sale | 2,732 | $14.90 | $40.7K | 374,145(D) | View → |
| Mar 5, 2026 | Mar 5 9:06 PM | Cox John | Proposed Sale | 2,732 | $14.90 | $40.7K | — | View → |
| Dec 5, 2025 | Dec 5 9:56 PM | Kerr Douglas | Proposed Sale | 880 | $20.72 | $18.2K | — | View → |
| Dec 5, 2025 | Dec 5 9:55 PM | Cox John | Proposed Sale | 2,662 | $20.72 | $55.1K | — | View → |
| Sep 5, 2025 | Sep 5 8:14 PM | Cox John | Proposed Sale | 2,640 | $13.41 | $35.4K | — | View → |
| Sep 4, 2025 | Sep 4 8:45 PM | Kerr Douglas | Proposed Sale | 4,552 | $13.27 | $60.4K | — | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| 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 → |