Form 4 for DYN Dyne Therapeutics, Inc.
Accepted 2026-06-09 17:06:18 ET · period of report 2026-06-05 · accession 0001193125-26-264004 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| D | 2026-06-09 17:06 | 2026-06-05 | DYN | Posner Brian S | Dir | A - Grant | $0.00 | +35.2K | 35.2K | New | $0 |
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 | 2026-06-08 | P | A | 2,000 | $16.94 | 24,500 | D | — | — | |
| 2 | Derivative | Stock option (right to buy) | 2026-06-05 | A | A | 35,152 | $0.00 | 35,152 | D | $17.04 · — to 2036-06-04 | 35,152 Common Stock | (F1) This option was granted on June 5, 2026. The shares underlying the option are scheduled to vest in full on the earlier of (i) June 5, 2027 or (ii) the date of the Issuer's 2027 Annual Meeting of Stockholders, subject to continued service. |