DYN Dyne Therapeutics, Inc.
Nasdaq · SEC CIK 1818794 · EDGAR
- Bought, last 12 months
- $274.8K 7 purchases by 1 insiders
- Sold, last 12 months
- $168.62M 38 sales by 6 insiders
- Filings on record
- 301 since 2021-07-13, latest 2026-09-08 16:15
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Rhodes Jason P | Dir | — | $129.10M |
| Kersten Dirk | Dir | — | $38.57M |
| Cox John | CEO, Pres, Dir | — | $443.7K |
| Posner Brian S | Dir | $274.8K | — |
| Kerr Douglas | Chief Medical Off | — | $233.1K |
| Lucera Erick | CFO | — | $228.7K |
| Friedl-Naderer Johanna | Chief Commercial Off | — | $43.4K |
| Lubner David Charles | Dir | — | — |
Transactions 289
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MT | 2026-09-08 16:15 | 2026-09-04+ | DYN | Friedl-Naderer Johanna | Chief Commercial Off | S - Sale | $23.42 | -1,085 | 152.9K | -0.7% | -$25.4K |
| MT | 2026-09-08 16:14 | 2026-09-04+ | DYN | Kerr Douglas | Chief Medical Off | S - Sale | $22.95 | -5,035 | 162.6K | -3% | -$115.5K |
| T | 2026-09-08 16:13 | 2026-09-08 | DYN | Cox John | CEO, Pres, Dir | S - Sale | $18.88 | -5,658 | 357.5K | -2% | -$106.8K |
| MTI | 2026-08-17 17:30 | 2026-08-13+ | DYN | Rhodes Jason P | Dir | S - Sale | $25.20 | -2.59M | 428.9K | -86% | -$65.18M |
| T | 2026-08-17 16:08 | 2026-08-13 | DYN | Friedl-Naderer Johanna | Chief Commercial Off | S - Sale | $26.28 | -226 | 154.0K | -0.1% | -$5,939 |
| T | 2026-08-17 16:08 | 2026-08-13 | DYN | Kerr Douglas | Chief Medical Off | S - Sale | $26.28 | -1,556 | 167.6K | -0.9% | -$40.9K |
| T | 2026-08-17 16:07 | 2026-08-13 | DYN | Cox John | CEO, Pres, Dir | S - Sale | $26.28 | -4,986 | 363.2K | -1% | -$131.0K |
| T | 2026-08-17 16:06 | 2026-08-13 | DYN | Lucera Erick | CFO | S - Sale | $26.28 | -1,797 | 119.8K | -1% | -$47.2K |
| MTI | 2026-07-29 16:15 | 2026-07-27 | DYN | Kersten Dirk | Dir | S - Sale | $25.51 | -261.5K | 3.59M | -7% | -$6.67M |
| MTI | 2026-07-08 17:35 | 2026-07-06+ | DYN | Rhodes Jason P | Dir | S - Sale | $22.97 | -777.5K | 2,962 | -100% | -$17.86M |
| MTI | 2026-06-30 19:05 | 2026-06-26+ | DYN | Rhodes Jason P | Dir | S - Sale | $21.23 | -504.7K | 975.9K | -34% | -$10.71M |
| 2026-06-26 16:15 | 2026-06-25 | DYN | Lucera Erick | CFO | S - Sale | $20.37 | -2,362 | 121.6K | -2% | -$48.1K | |
| MTI | 2026-06-26 08:40 | 2026-06-23+ | DYN | Rhodes Jason P | Dir | S - Sale | $21.09 | -267.8K | 1.08M | -20% | -$5.65M |
| MTI | 2026-06-24 16:27 | 2026-06-22+ | DYN | Kersten Dirk | Dir | S - Sale | $20.70 | -264.0K | 3.85M | -6% | -$5.46M |
| MTI | 2026-06-22 16:15 | 2026-06-17+ | DYN | Kersten Dirk | Dir | S - Sale | $20.10 | -84.4K | 4.11M | -2% | -$1.70M |
| T | 2026-06-17 16:08 | 2026-06-16 | DYN | Kerr Douglas | Chief Medical Off | S - Sale | $18.33 | -887 | 169.2K | -0.5% | -$16.3K |
| T | 2026-06-17 16:07 | 2026-06-16 | DYN | Friedl-Naderer Johanna | Chief Commercial Off | S - Sale | $18.33 | -145 | 154.2K | -0.1% | -$2,658 |
| T | 2026-06-17 16:07 | 2026-06-16 | DYN | Cox John | CEO, Pres, Dir | S - Sale | $18.33 | -2,683 | 368.2K | -0.7% | -$49.2K |
| D | 2026-06-09 17:06 | 2026-06-08 | DYN | Posner Brian S | Dir | P - Purchase | $16.94 | +2,000 | 24.5K | +9% | +$33.9K |
| 2026-06-05 16:10 | 2026-06-03 | DYN | Posner Brian S | Dir | P - Purchase | $17.48 | +2,500 | 22.5K | +12% | +$43.7K | |
| 2026-05-28 16:11 | 2026-05-26 | DYN | Posner Brian S | Dir | P - Purchase | $18.21 | +2,000 | 20.0K | +11% | +$36.4K | |
| 2026-05-22 16:10 | 2026-05-20 | DYN | Posner Brian S | Dir | P - Purchase | $17.12 | +2,500 | 18.0K | +16% | +$42.8K | |
| T | 2026-05-14 16:05 | 2026-05-13 | DYN | Friedl-Naderer Johanna | Chief Commercial Off | S - Sale | $18.36 | -228 | 154.4K | -0.1% | -$4,186 |
| T | 2026-05-14 16:04 | 2026-05-13 | DYN | Kerr Douglas | Chief Medical Off | S - Sale | $18.36 | -1,564 | 170.0K | -0.9% | -$28.7K |
| T | 2026-05-14 16:03 | 2026-05-13 | DYN | Lucera Erick | CFO | S - Sale | $18.36 | -1,448 | 123.9K | -1% | -$26.6K |
| T | 2026-05-14 16:02 | 2026-05-13 | DYN | Cox John | CEO, Pres, Dir | S - Sale | $18.36 | -3,311 | 370.8K | -0.9% | -$60.8K |
| MTI | 2026-05-06 17:09 | 2026-05-04+ | DYN | Rhodes Jason P | Dir | S - Sale | $18.14 | -106.7K | 1.14M | -9% | -$1.94M |
| MTI | 2026-04-30 17:22 | 2026-04-28 | DYN | Rhodes Jason P | Dir | S - Sale | $18.38 | -227.3K | 1.16M | -16% | -$4.18M |
| 2026-04-28 16:56 | 2026-04-24 | DYN | Lubner David Charles | Dir | G - Gift | $0.00 | -53.6K | 0 | -100% | $0 | |
| MTI | 2026-04-27 18:15 | 2026-04-23+ | DYN | Rhodes Jason P | Dir | S - Sale | $18.47 | -384.5K | 1.21M | -24% | -$7.10M |
| MTI | 2026-04-23 16:15 | 2026-04-21+ | DYN | Kersten Dirk | Dir | S - Sale | $20.01 | -11.0K | 4.20M | -0.3% | -$219.2K |
| MTI | 2026-04-22 18:27 | 2026-04-20+ | DYN | Rhodes Jason P | Dir | S - Sale | $19.75 | -834.3K | 1.29M | -39% | -$16.48M |
| MTI | 2026-04-21 16:15 | 2026-04-17+ | DYN | Kersten Dirk | Dir | S - Sale | $20.21 | -337.2K | 4.21M | -7% | -$6.82M |
| MTI | 2026-04-17 16:05 | 2026-04-15+ | DYN | Kersten Dirk | Dir | S - Sale | $20.35 | -99.6K | 4.54M | -2% | -$2.03M |
| T | 2026-04-03 16:10 | 2026-04-01 | DYN | Lucera Erick | CFO | S - Sale | $18.64 | -5,727 | 125.4K | -4% | -$106.8K |
| 2026-04-01 16:27 | 2026-03-30 | DYN | Posner Brian S | Dir | P - Purchase | $17.08 | +2,000 | 15.5K | +15% | +$34.2K | |
| TI | 2026-03-13 | 2026-03-11 | DYN | Kersten Dirk | Dir | S - Sale | $19.52 | -129.7K | 4.64M | -3% | -$2.53M |
| 2026-03-13 | 2026-03-11 | DYN | Posner Brian S | Dir | P - Purchase | $19.35 | +2,000 | 13.5K | +17% | +$38.7K | |
| MTI | 2026-03-11 | 2026-03-09+ | DYN | Kersten Dirk | Dir | S - Sale | $19.09 | -688.8K | 5.06M | -12% | -$13.15M |
| 2026-03-10 | 2026-03-06 | DYN | Posner Brian S | Dir | P - Purchase | $15.06 | +3,000 | 11.5K | +35% | +$45.2K | |
| T | 2026-03-06 | 2026-03-05 | DYN | Cox John | CEO, Pres, Dir | S - Sale | $14.90 | -2,732 | 374.1K | -0.7% | -$40.7K |
| T | 2026-03-06 | 2026-03-05 | DYN | Kerr Douglas | Chief Medical Off | S - Sale | $14.90 | -904 | 171.6K | -0.5% | -$13.5K |
| T | 2026-03-06 | 2026-03-05 | DYN | Friedl-Naderer Johanna | Chief Commercial Off | S - Sale | $14.90 | -148 | 154.6K | -0.1% | -$2,205 |
| D | 2026-02-17 | 2026-02-12 | DYN | Cox John | CEO, Pres, Dir | A - Grant | $0.00 | +180.0K | 376.9K | +91% | $0 |
| D | 2026-02-17 | 2026-02-12 | DYN | Lucera Erick | CFO | A - Grant | $0.00 | +65.0K | 131.1K | +98% | $0 |
| D | 2026-02-17 | 2026-02-12 | DYN | Kerr Douglas | Chief Medical Off | A - Grant | $0.00 | +85.0K | 172.5K | +97% | $0 |
| D | 2026-02-17 | 2026-02-12 | DYN | Friedl-Naderer Johanna | Chief Commercial Off | A - Grant | $0.00 | +60.0K | 154.7K | +63% | $0 |
| T | 2025-12-05 | 2025-12-05 | DYN | Kerr Douglas | Chief Medical Off | S - Sale | $20.72 | -880 | 87.5K | -1.0% | -$18.2K |
| T | 2025-12-05 | 2025-12-05 | DYN | Cox John | CEO, Pres, Dir | S - Sale | $20.72 | -2,662 | 196.9K | -1% | -$55.2K |
| T | 2025-12-05 | 2025-12-05 | DYN | Friedl-Naderer Johanna | Chief Commercial Off | S - Sale | $20.72 | -144 | 94.7K | -0.2% | -$2,984 |
| T | 2025-09-09 | 2025-09-05 | DYN | Cox John | CEO, Pres, Dir | S - Sale | $13.41 | -2,640 | 199.5K | -1% | -$35.4K |
| MT | 2025-09-08 | 2025-09-04+ | DYN | Friedl-Naderer Johanna | Chief Commercial Off | S - Sale | $13.29 | -1,038 | 94.9K | -1% | -$13.8K |
| MT | 2025-09-08 | 2025-09-04+ | DYN | Kerr Douglas | Chief Medical Off | S - Sale | $13.30 | -4,425 | 88.4K | -5% | -$58.8K |
| 2025-07-15 | 2025-07-14 | DYN | Cox John | CEO, Pres, Dir | P - Purchase | $9.11 | +100.0K | 242.2K | +70% | +$911.0K | |
| M | 2025-07-15 | 2025-07-15 | DYN | Cox John | CEO, Pres, Dir | G - Gift | $0.00 | -40.0K | 202.2K | -17% | $0 |
| T | 2025-06-06 | 2025-06-05 | DYN | Kerr Douglas | Chief Medical Off | S - Sale | $13.35 | -1,342 | 92.8K | -1% | -$17.9K |
| T | 2025-06-06 | 2025-06-05 | DYN | Friedl-Naderer Johanna | Chief Commercial Off | S - Sale | $13.35 | -146 | 95.9K | -0.2% | -$1,949 |
| T | 2025-06-06 | 2025-06-05 | DYN | Cox John | CEO, Pres, Dir | S - Sale | $13.35 | -4,060 | 142.2K | -3% | -$54.2K |
| D | 2025-04-01 | 2025-03-31 | DYN | Lucera Erick | CFO | A - Grant | $0.00 | +66.1K | 66.1K | New | $0 |
| T | 2025-03-13 | 2025-03-11 | DYN | Scalzo Richard William | SVP, Head of Fin, Admin | S - Sale | $11.38 | -1,343 | 122.3K | -1% | -$15.3K |
| T | 2025-03-13 | 2025-03-13 | DYN | Friedl-Naderer Johanna | Chief Commercial Off | S - Sale | $12.12 | -143 | 96.1K | -0.1% | -$1,733 |
| T | 2025-03-13 | 2025-03-11 | DYN | Beskrovnaya Oxana | CSO | S - Sale | $11.38 | -2,153 | 195.8K | -1% | -$24.5K |
| T | 2025-03-07 | 2025-03-05 | DYN | Cox John | CEO, Pres, Dir | S - Sale | $11.83 | -4,061 | 146.2K | -3% | -$48.0K |
| T | 2025-03-07 | 2025-03-05 | DYN | Beskrovnaya Oxana | CSO | S - Sale | $11.83 | -1,094 | 198.0K | -0.5% | -$12.9K |
| T | 2025-03-07 | 2025-03-05 | DYN | Scalzo Richard William | SVP, Head of Fin, Admin | S - Sale | $11.83 | -917 | 123.7K | -0.7% | -$10.8K |
| T | 2025-03-07 | 2025-03-05 | DYN | Kerr Douglas | Chief Medical Off | S - Sale | $11.83 | -1,343 | 94.2K | -1% | -$15.9K |
| T | 2025-02-25 | 2025-02-18 | DYN | Beskrovnaya Oxana | CSO | S - Sale | $13.95 | -2,598 | 199.1K | -1% | -$36.2K |
| T | 2025-02-18 | 2025-02-18 | DYN | Scalzo Richard William | SVP, Head of Fin, Admin | S - Sale | $13.95 | -2,488 | 124.6K | -2% | -$34.7K |
| I | 2025-01-29 | 2025-01-27 | DYN | Rhodes Jason P | Dir | A - Grant | $13.50 | +1.11M | 1.96M | +131% | +$15.00M |
| T | 2024-12-11 | 2024-12-11 | DYN | Beskrovnaya Oxana | CSO | S - Sale | $28.12 | -2,334 | 201.7K | -1% | -$65.6K |
| T | 2024-12-11 | 2024-12-11 | DYN | Scalzo Richard William | SVP, Head of Fin, Admin | S - Sale | $28.12 | -1,455 | 127.1K | -1% | -$40.9K |
| MI | 2024-12-10 | 2024-12-06+ | DYN | Kersten Dirk | Dir | S - Sale | $29.30 | -136.1K | 5.40M | -2% | -$3.99M |
| D | 2024-12-06 | 2024-12-04 | DYN | Kerr Douglas | Chief Medical Off | A - Grant | $0.00 | +48.0K | 95.5K | +101% | $0 |
| D | 2024-12-06 | 2024-12-04 | DYN | Cox John | CEO, Pres, Dir | A - Grant | $0.00 | +145.3K | 150.3K | +2,906% | $0 |
| DM | 2024-12-06 | 2024-12-04 | DYN | Beskrovnaya Oxana | CSO | A - Grant | $0.00 | +66.5K | 204.0K | +48% | $0 |
| MI | 2024-12-06 | 2024-12-04+ | DYN | Kersten Dirk | Dir | S - Sale | $29.38 | -138.8K | 5.54M | -2% | -$4.08M |
| D | 2024-12-06 | 2024-12-04 | DYN | Scalzo Richard William | SVP, Head of Fin, Admin | A - Grant | $0.00 | +32.7K | 128.5K | +34% | $0 |
| D | 2024-12-06 | 2024-12-04 | DYN | Friedl-Naderer Johanna | Chief Commercial Off | A - Grant | $0.00 | +37.8K | 96.2K | +65% | $0 |
| MI | 2024-12-04 | 2024-12-02+ | DYN | Kersten Dirk | Dir | S - Sale | $29.50 | -110.9K | 5.71M | -2% | -$3.27M |
| MI | 2024-11-18 | 2024-11-14 | DYN | Rhodes Jason P | Dir | S - Sale | $33.10 | -782 | 847.3K | -0.1% | -$25.9K |
| T | 2024-11-18 | 2024-11-18 | DYN | Scalzo Richard William | SVP, Head of Fin, Admin | S - Sale | $28.20 | -2,735 | 95.8K | -3% | -$77.1K |
| T | 2024-11-18 | 2024-11-18 | DYN | Beskrovnaya Oxana | CSO | S - Sale | $28.20 | -2,856 | 137.5K | -2% | -$80.5K |
| D | 2024-11-18 | 2024-11-18 | DYN | Incerti Carlo | Dir | M - OptEx | $8.69 | +16.5K | 16.5K | New | +$143.4K |
| D | 2024-11-18 | 2024-11-18 | DYN | Incerti Carlo | Dir | S - Sale+OE | $28.73 | -16.5K | 0 | -100% | -$474.0K |
| MTI | 2024-11-15 | 2024-11-13+ | DYN | Kersten Dirk | Dir | S - Sale | $34.14 | -19.7K | 5.79M | -0.3% | -$673.7K |
| MTI | 2024-10-22 | 2024-10-18+ | DYN | Kersten Dirk | Dir | S - Sale | $35.16 | -13.5K | 73.2K | -16% | -$475.9K |
| MTI | 2024-10-18 | 2024-10-16+ | DYN | Kersten Dirk | Dir | S - Sale | $35.29 | -36.7K | 99.7K | -27% | -$1.29M |
| TI | 2024-10-07 | 2024-10-03 | DYN | Kersten Dirk | Dir | S - Sale | $35.13 | -5,441 | 123.3K | -4% | -$191.1K |
| MTI | 2024-10-03 | 2024-10-01+ | DYN | Kersten Dirk | Dir | S - Sale | $35.32 | -29.9K | 150.3K | -17% | -$1.06M |
| MTI | 2024-10-01 | 2024-09-27+ | DYN | Kersten Dirk | Dir | S - Sale | $35.50 | -31.0K | 160.6K | -16% | -$1.10M |
| MTI | 2024-09-27 | 2024-09-25+ | DYN | Kersten Dirk | Dir | S - Sale | $35.14 | -3,617 | 189.7K | -2% | -$127.1K |
| MTI | 2024-09-24 | 2024-09-20+ | DYN | Kersten Dirk | Dir | S - Sale | $36.07 | -120.2K | 193.3K | -38% | -$4.34M |
| MTI | 2024-09-20 | 2024-09-18+ | DYN | Kersten Dirk | Dir | S - Sale | $36.15 | -80.3K | 392.3K | -17% | -$2.90M |
| T | 2024-09-19 | 2024-09-18 | DYN | Beskrovnaya Oxana | CSO | S - Sale | $34.55 | -2,339 | 140.4K | -2% | -$80.8K |
| MT | 2024-09-19 | 2024-09-18 | DYN | HIGH SUSANNA GATTI | COO | S - Sale | $34.41 | -8,976 | 131.6K | -6% | -$308.9K |
| T | 2024-09-19 | 2024-09-18 | DYN | Scalzo Richard William | SVP, Head of Fin, Admin | S - Sale | $34.55 | -1,390 | 98.6K | -1% | -$48.0K |
| MTI | 2024-09-18 | 2024-09-16+ | DYN | Kersten Dirk | Dir | S - Sale | $35.10 | -4,592 | 397.1K | -1% | -$161.2K |
| MT | 2024-09-11 | 2024-09-11 | DYN | HIGH SUSANNA GATTI | COO | S - Sale | $31.89 | -5,270 | 140.6K | -4% | -$168.1K |
| T | 2024-09-11 | 2024-09-11 | DYN | Scalzo Richard William | SVP, Head of Fin, Admin | S - Sale | $31.89 | -1,468 | 100.0K | -1% | -$46.8K |
| T | 2024-09-11 | 2024-09-11 | DYN | Beskrovnaya Oxana | CSO | S - Sale | $31.89 | -2,161 | 142.7K | -1% | -$68.9K |
Purchase Sale Sale after option exercise All abbreviations