Form 4 for DYN Dyne Therapeutics, Inc.
Accepted 2025-07-15 00:00:00 ET · period of report 2025-07-14 · accession 0000950170-25-095929 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-07-15 | 2025-07-14 | DYN | Cox John | CEO, Pres, Dir | P - Purchase | $9.11 | +100.0K | 242.2K | +70% | +$911.0K | |
| M | 2025-07-15 | 2025-07-15 | DYN | Cox John | CEO, Pres, Dir | G - Gift | $0.00 | -40.0K | 202.2K | -17% | $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 | 2025-07-14 | P | A | 100,000 | $9.11 | 242,179 | D | — | — | (F2) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices within the range of $9.02 to $9.15, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4. |
| 2 | Common | Common Stock | 2025-07-15 | G | D | 10,000 | $0.00 | 232,179 | D | — | — | (F3) This transaction represents a gift by the Reporting Person to a trust established for the benefit of a child of the Reporting Person. |
| 3 | Common | Common Stock | 2025-07-15 | G | D | 10,000 | $0.00 | 212,179 | D | — | — | (F3) This transaction represents a gift by the Reporting Person to a trust established for the benefit of a child of the Reporting Person. |
| 4 | Common | Common Stock | 2025-07-15 | G | D | 10,000 | $0.00 | 222,179 | D | — | — | (F3) This transaction represents a gift by the Reporting Person to a trust established for the benefit of a child of the Reporting Person. |
| 5 | Common | Common Stock | 2025-07-15 | G | D | 10,000 | $0.00 | 202,179 | D | — | — | (F3) This transaction represents a gift by the Reporting Person to a trust established for the benefit of a child of the Reporting Person. (F5) Includes 127,138 unvested RSUs. |