Form 4 for DYN Dyne Therapeutics, Inc.
Accepted 2026-05-22 16:10:03 ET · period of report 2026-05-20 · accession 0001193125-26-236877 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-22 16:10 | 2026-05-20 | DYN | Posner Brian S | Dir | P - Purchase | $17.12 | +2,500 | 18.0K | +16% | +$42.8K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-05-20 | P | A | 2,500 | $17.12 | 18,000 | D | — | — |