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Insider ActivityDYN
Cox John, CEO & President at Dyne Therapeutics, Inc., sold $61K of DYN
Updated Jun 14, 2026
Cox John
CEO & President
Dyne Therapeutics, Inc. ·
$DYN
Transaction Details
| Insider | Cox John |
|---|---|
| Title | CEO & President |
| Company | Dyne Therapeutics, Inc. |
| Ticker | DYN |
| Transaction Type | Sale |
| Transaction Date | 2026-05-13 |
| Shares Traded | 3,311 |
| Price Per Share | $18.36 |
| Total Value | $61K |
| Filed Date | 2026-05-14 |
| Accession Number | 0001193125-26-223955 |
Ownership Context
| Shares Owned After Transaction | 370,834 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001193125-26-223955
Other Insider Trades — DYN
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Posner Brian S | Insider | bought | $34K | 2026-06-08 |
| Posner Brian S | Insider | traded | — | 2026-06-05 |
| Lubner David Charles | Insider | traded | — | 2026-06-05 |
| Kersten Dirk | Insider | traded | — | 2026-06-05 |
| Stehman-Breen Catherine | Insider | traded | — | 2026-06-05 |
| HURWITZ EDWARD | Insider | traded | — | 2026-06-05 |
| Rhodes Jason P | Insider | traded | — | 2026-06-05 |
| Incerti Carlo | Insider | traded | — | 2026-06-05 |
| Posner Brian S | Insider | bought | $44K | 2026-06-03 |
| Posner Brian S | Insider | bought | $36K | 2026-05-26 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for DYN — Dyne Therapeutics, Inc. →
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 14, 2026 at 07:10 UTC