There have been 50 recent insider transactions recorded for Dyne Therapeutics, Inc. (DYN), including 20 buys and 26 sells. Total insider buying was valued at $18.34M and total insider selling at $11.85M.
Notable insiders with recent activity include Lucera Erick, Posner Brian S, Kersten Dirk. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — DYN
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-04-01 |
Lucera Erick |
Chief Financial Officer |
Informative Sell |
5,727 |
$18.64 |
$106.75K |
125,373 |
| 2026-03-30 |
Posner Brian S |
Director |
Informative Buy |
2,000 |
$17.08 |
$34.16K |
15,500 |
| 2026-03-11 |
Posner Brian S |
Director |
Informative Buy |
2,000 |
$19.35 |
$38.7K |
13,500 |
| 2026-03-11 |
Kersten Dirk |
Director |
Informative Sell |
129,672 |
$19.52 |
$2.53M |
4,644,386 |
| 2026-03-10 |
Kersten Dirk |
Director |
Informative Sell |
281,858 |
$19.80 |
$5.58M |
4,774,058 |
| 2026-03-09 |
Kersten Dirk |
Director |
Informative Sell |
177,690 |
$17.72 |
$3.15M |
5,285,156 |
| 2026-03-06 |
Posner Brian S |
Director |
Informative Buy |
3,000 |
$15.06 |
$45.18K |
11,500 |
| 2026-03-05 |
Cox John |
CEO & President |
Informative Sell |
2,732 |
$14.90 |
$40.71K |
374,145 |
| 2026-03-05 |
Kerr Douglas |
Chief Medical Officer |
Informative Sell |
904 |
$14.90 |
$13.47K |
171,606 |
| 2026-03-05 |
Friedl-naderer Johanna |
Chief Commercial Officer |
Informative Sell |
148 |
$14.90 |
$2.21K |
154,581 |
| 2026-02-12 |
Cox John |
CEO & President |
RSU Award |
285,000 |
$16.00 |
$4.56M |
285,000 |
| 2026-02-12 |
Lucera Erick |
Chief Financial Officer |
RSU Award |
105,000 |
$16.00 |
$1.68M |
105,000 |
| 2026-02-12 |
Kerr Douglas |
Chief Medical Officer |
RSU Award |
130,000 |
$16.00 |
$2.08M |
130,000 |
| 2026-02-12 |
Friedl-naderer Johanna |
Chief Commercial Officer |
RSU Award |
90,000 |
$16.00 |
$1.44M |
90,000 |
| 2025-12-22 |
Karnani Vikram |
Officer |
Unknown |
- |
- |
- |
- |
| 2025-12-22 |
Karnani Vikram |
Director |
RSU Award |
59,665 |
$20.78 |
$1.24M |
59,665 |
| 2025-12-05 |
Cox John |
CEO & President |
Informative Sell |
2,662 |
$20.72 |
$55.16K |
196,877 |
| 2025-12-05 |
Kerr Douglas |
Chief Medical Officer |
Informative Sell |
880 |
$20.72 |
$18.23K |
87,510 |
| 2025-12-05 |
Friedl-naderer Johanna |
Chief Commercial Officer |
Informative Sell |
144 |
$20.72 |
$2.98K |
94,729 |
| 2025-10-01 |
Posner Brian S |
Director |
Unknown |
- |
- |
- |
8,500 |
| 2025-10-01 |
Posner Brian S |
Director |
RSU Award |
70,000 |
$12.50 |
$875K |
70,000 |
| 2025-09-05 |
Kerr Douglas |
Chief Medical Officer |
Informative Sell |
873 |
$13.41 |
$11.71K |
88,390 |
| 2025-09-05 |
Friedl-naderer Johanna |
Chief Commercial Officer |
Informative Sell |
144 |
$13.41 |
$1.93K |
94,873 |
| 2025-09-05 |
Cox John |
CEO & President |
Informative Sell |
2,640 |
$13.41 |
$35.4K |
199,539 |
| 2025-09-04 |
Kerr Douglas |
Chief Medical Officer |
Informative Sell |
3,552 |
$13.27 |
$47.14K |
89,263 |
| 2025-09-04 |
Friedl-naderer Johanna |
Chief Commercial Officer |
Informative Sell |
894 |
$13.27 |
$11.86K |
95,017 |
| 2025-07-16 |
Cox John |
CEO & President |
RSU Award |
197,285 |
$9.33 |
$1.84M |
197,285 |
| 2025-07-16 |
Kerr Douglas |
Chief Medical Officer |
RSU Award |
65,110 |
$9.33 |
$607.48K |
65,110 |
| 2025-07-16 |
Friedl-naderer Johanna |
Chief Commercial Officer |
RSU Award |
51,255 |
$9.33 |
$478.21K |
51,255 |
| 2025-07-15 |
Cox John |
CEO & President |
Gift (Given) |
10,000 |
- |
- |
202,179 |
| 2025-07-14 |
Cox John |
CEO & President |
Informative Buy |
100,000 |
$9.11 |
$911K |
242,179 |
| 2025-06-05 |
Cox John |
CEO & President |
Informative Sell |
4,060 |
$13.35 |
$54.2K |
142,179 |
| 2025-06-05 |
Kerr Douglas |
Chief Medical Officer |
Informative Sell |
1,342 |
$13.35 |
$17.92K |
92,815 |
| 2025-06-05 |
Friedl-naderer Johanna |
Chief Commercial Officer |
Informative Sell |
146 |
$13.35 |
$1.95K |
95,911 |
| 2025-05-30 |
Hurwitz Edward |
Director |
RSU Award |
35,000 |
$11.96 |
$418.6K |
35,000 |
| 2025-05-30 |
Lubner David Charles |
Director |
RSU Award |
35,000 |
$11.96 |
$418.6K |
35,000 |
| 2025-05-30 |
Rhodes Jason P |
Director |
RSU Award |
35,000 |
$11.96 |
$418.6K |
35,000 |
| 2025-05-30 |
Stehman-breen Catherine |
Director |
RSU Award |
35,000 |
$11.96 |
$418.6K |
35,000 |
| 2025-05-30 |
Kersten Dirk |
Director |
RSU Award |
35,000 |
$11.96 |
$418.6K |
35,000 |
| 2025-05-30 |
Incerti Carlo |
Director |
RSU Award |
35,000 |
$11.96 |
$418.6K |
35,000 |
| 2025-03-31 |
Lucera Erick |
Officer |
Unknown |
- |
- |
- |
- |
| 2025-03-31 |
Lucera Erick |
Chief Financial Officer |
RSU Award |
66,100 |
- |
- |
66,100 |
| 2025-03-13 |
Friedl-naderer Johanna |
Chief Commercial Officer |
Informative Sell |
143 |
$12.12 |
$1.73K |
96,057 |
| 2025-03-11 |
Scalzo Richard William |
SVP, Head of Finance & Admin. |
Informative Sell |
1,343 |
$11.38 |
$15.28K |
122,330 |
| 2025-03-11 |
Beskrovnaya Oxana |
Chief Scientific Officer |
Informative Sell |
2,153 |
$11.38 |
$24.5K |
195,840 |
| 2025-03-05 |
Cox John |
CEO & President |
Informative Sell |
4,061 |
$11.83 |
$48.04K |
146,239 |
| 2025-03-05 |
Scalzo Richard William |
SVP, Head of Finance & Admin. |
Informative Sell |
917 |
$11.83 |
$10.85K |
123,673 |
| 2025-03-05 |
Kerr Douglas |
Chief Medical Officer |
Informative Sell |
1,343 |
$11.83 |
$15.89K |
94,157 |
| 2025-03-05 |
Beskrovnaya Oxana |
Chief Scientific Officer |
Informative Sell |
1,094 |
$11.83 |
$12.94K |
197,993 |
| 2025-02-18 |
Scalzo Richard William |
SVP, Head of Finance & Admin. |
Informative Sell |
2,488 |
$13.95 |
$34.71K |
124,590 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
