Dyne Therapeutics, Inc. (DYN) insider trading.
In Q3 2026, insiders at Dyne Therapeutics, Inc. reported 27 non-derivative transactions on 10 Forms 3, 4 and 5: 0 open-market purchases and 27 sales worth $90.2M.
- Transactions
- 27
- Purchases (P)
- 0
- Sales (S)
- 27
- Net shares, P minus S
- -3,646,182
- Insiders
- 6
- Last filed
- 2026-09-08
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Rhodes Jason P | Director | 16 | 0 | 16 |
| Kerr Douglas | Officer · Chief Medical Officer | 3 | 0 | 3 |
| Friedl-Naderer Johanna | Officer · Chief Commercial Officer | 3 | 0 | 3 |
| Cox John | Director, Officer · CEO & President | 2 | 0 | 2 |
| Kersten Dirk | Director | 2 | 0 | 2 |
| Lucera Erick | Officer · Chief Financial Officer | 1 | 0 | 1 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-08 | Cox John | S (D) | 5,658 | $18.88 | 357,507 | Form 4 |
| 2026-09-08 | Kerr Douglas | S (D) | 1,290 | $18.88 | 162,564 | Form 4 |
| 2026-09-08 | Friedl-Naderer Johanna | S (D) | 185 | $18.88 | 152,897 | Form 4 |
| 2026-09-04 | Kerr Douglas | S (D) | 3,745 | $24.35 | 163,854 | Form 4 |
| 2026-09-04 | Friedl-Naderer Johanna | S (D) | 900 | $24.35 | 153,082 | Form 4 |
| 2026-08-14 | Rhodes Jason P | S (D) | 1,359,674 | $25 | 2,441,454 | Form 4 |
| 2026-08-14 | Rhodes Jason P | S (D) | 478,377 | $25 | 567,358 | Form 4 |
| 2026-08-14 | Rhodes Jason P | S (D) | 322,465 | $25 | 428,946 | Form 4 |
| 2026-08-13 | Cox John | S (D) | 4,986 | $26.28 | 363,165 | Form 4 |
| 2026-08-13 | Rhodes Jason P | S (D) | 268,354 | $26.2 | 3,801,128 | Form 4 |
| 2026-08-13 | Rhodes Jason P | S (D) | 94,415 | $26.2 | 1,045,735 | Form 4 |
| 2026-08-13 | Rhodes Jason P | S (D) | 63,643 | $26.2 | 751,411 | Form 4 |
| 2026-08-13 | Lucera Erick | S (D) | 1,797 | $26.28 | 119,766 | Form 4 |
| 2026-08-13 | Kerr Douglas | S (D) | 1,556 | $26.28 | 167,599 | Form 4 |
| 2026-08-13 | Friedl-Naderer Johanna | S (D) | 226 | $26.28 | 153,982 | Form 4 |
| 2026-07-27 | Kersten Dirk | S (D) | 5,388 | $26.04 | 3,586,796 | Form 4 |
| 2026-07-27 | Kersten Dirk | S (D) | 256,072 | $25.5 | 3,592,184 | Form 4 |
| 2026-07-07 | Rhodes Jason P | S (D) | 62,543 | $23.17 | 1,154,994 | Form 4 |
| 2026-07-07 | Rhodes Jason P | S (D) | 14,844 | $23.62 | 1,140,150 | Form 4 |
| 2026-07-07 | Rhodes Jason P | S (D) | 49,193 | $23.17 | 826,719 | Form 4 |
| 2026-07-07 | Rhodes Jason P | S (D) | 11,665 | $23.62 | 815,054 | Form 4 |
| 2026-07-07 | Rhodes Jason P | S (D) | 29,587 | $23.62 | 4,069,482 | Form 4 |
| 2026-07-07 | Rhodes Jason P | S (D) | 124,379 | $23.17 | 4,099,069 | Form 4 |
| 2026-07-07 | Rhodes Jason P | S (D) | 5,000 | $23.61 | 2,962 | Form 4 |
| 2026-07-06 | Rhodes Jason P | S (D) | 127,182 | $22.79 | 1,217,537 | Form 4 |
| 2026-07-06 | Rhodes Jason P | S (D) | 253,039 | $22.79 | 4,223,448 | Form 4 |
| 2026-07-06 | Rhodes Jason P | S (D) | 100,019 | $22.79 | 875,912 | Form 4 |
Transaction codes in this quarter
Get DYN insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1818794&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · DYN company page · Dyne Therapeutics, Inc. on SEC.gov
Questions
Are insiders buying or selling Dyne Therapeutics, Inc. (DYN)?
In Q3 2026, insiders at Dyne Therapeutics, Inc. reported 27 non-derivative transactions on 10 Forms 3, 4 and 5: 0 open-market purchases and 27 sales worth $90.2M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Dyne Therapeutics, Inc. insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/dyn.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.