Senior insider sale
CEO & President at DYNE THERAPEUTICS, INC. — senior position signals high conviction
$180.2K
7.67K shares
What this filing means
COX JOHN plans to sell 7.67K shares of DYNE THERAPEUTICS, INC. valued at approximately $180.2K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 8/13/2026ACC: 0001972481-26-000260
DirectorOfficer· CEO & President
Since Mar 2026
7.67K
Shares to sell
$180.2K
Approx. market value
11.25K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Restricted Stock Units
Equity Compensation
8/12/2026
11.25KTotal acquired11.25K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
8/12/2026 | Restricted Stock Units Equity Compensation | 11.25K | — |
| Total | 11.25K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
2.68K
Market value
$49.2K
6/16/2026
Planned — Approximate Date
NasdaqPlanned
Units to sell
4.99K
Market value
$131.0K
8/13/2026
Total
Units
7.67K
Value
$180.2K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
6/16/2026 | 2.68K | $49.2K | — | Completed |
| Planned — Approximate Date | ||||
8/13/2026 | 4.99K | $131.0K | Nasdaq | Planned |
| Total | 7.67K | $180.2K | ||