KERR DOUGLAS

PrivateCIK: 1814189
Location

CAMBRIDGE, MA

Senior insider sale

Chief Medical Officer at DYNE THERAPEUTICS, INC. — senior position signals high conviction

$80.5K

3.33K shares

What this filing means

KERR DOUGLAS plans to sell 3.33K shares of DYNE THERAPEUTICS, INC. valued at approximately $80.5K. 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.

InsiderKERR DOUGLASCIK 1814189
IssuerDYNE THERAPEUTICS, INC.CIK 1818794
Officer· Chief Medical Officer
Since Mar 2026
3.33K
Shares to sell
$80.5K
Approx. market value
8.31K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months2
Sort

Restricted Stock Units

Equity Compensation

8/12/2026
5.31K

Restricted Stock Units

Equity Compensation

6/5/2026
3K
Total acquired8.31K
Planned & Completed Dispositions2
Sort

Completed

Completed

Units to sell

887.00

Market value

$16.3K

6/16/2026

Planned — Approximate Date

NasdaqPlanned

Units to sell

2.44K

Market value

$64.2K

8/13/2026
Total

Units

3.33K

Value

$80.5K