Senior insider sale
CEO & President at DYNE THERAPEUTICS, INC. — senior position signals high conviction
$101.5K
6.04K shares
What this filing means
COX JOHN plans to sell 6.04K shares of DYNE THERAPEUTICS, INC. valued at approximately $101.5K. 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: 5/13/2026ACC: 0001972481-26-000156
DirectorOfficer· CEO & President
Since Mar 2026
6.04K
Shares to sell
$101.5K
Approx. market value
11.25K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Restricted Stock Units
Equity Compensation
5/12/2026
11.25KTotal acquired11.25K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
5/12/2026 | Restricted Stock Units Equity Compensation | 11.25K | — |
| Total | 11.25K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
2.73K
Market value
$40.7K
3/5/2026
Planned — Approximate Date
NasdaqPlanned
Units to sell
3.31K
Market value
$60.8K
5/13/2026
Total
Units
6.04K
Value
$101.5K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
3/5/2026 | 2.73K | $40.7K | — | Completed |
| Planned — Approximate Date | ||||
5/13/2026 | 3.31K | $60.8K | Nasdaq | Planned |
| Total | 6.04K | $101.5K | ||