KERR DOUGLAS

PrivateCIK: 1814189
Location

CAMBRIDGE, MA

KERR DOUGLAS (Chief Medical Officer) sold 3.0% of their position (5.04K shares) of DYNE THERAPEUTICS, INC. on the open market

Open‑market sale worth $115.5K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderKERR DOUGLASCIK 1814189
IssuerDYNE THERAPEUTICS, INC.CIK 1818794
Officer· Chief Medical Officer
Since Mar 2026
-5.04K
Net shares
Net seller
$115.5K
Total sold
2
Open market trades
0B · 2S
2
Total transactions
5.04K disposed
Non-Derivative Transactions2

Common Stock

Direct
S · Sale

Shares

3.75K

Price / share

$24.35

Trade value

$91.19K

% of position

2.2%
9/4/2026
167.60K163.85K

Common Stock

Direct
S · Sale

Shares

1.29K

Price / share

$18.88

Trade value

$24.36K

% of position

0.8%
9/8/2026
163.85K162.56K
Total

Net shares

5.04K

Net value

-$115.55K

Derivative Transactions0
No derivative transactions reported