COX JOHN (CEO & President) sold 1.4% of their position (4.99K shares) of DYNE THERAPEUTICS, INC. on the open market
Open‑market sale worth $131.0K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 8/17/2026ACC: 0001498428-26-000004
DirectorOfficer· CEO & President
Since Mar 2026
-4.99K
Net shares
Net seller
$131.0K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
4.99K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−4.99K
Price / share
$26.28
Trade value
$131.03K
% of position
1.4%
8/13/2026
368.15K→363.17K
Total
Net shares
−4.99K
Net value
-$131.03K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/13/2026 | S · Sale | −4.99K | $26.28 | $131.03K | 1.4% | 368.15K | 363.17K |
| Total | −4.99K | -$131.03K | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)4
Common Stock
IndirectShares owned18K
Common Stock
IndirectShares owned18K
Common Stock
IndirectShares owned18K
Common Stock
IndirectShares owned18K
Total
72K indirect72K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 18K | Indirect |
| Common Stock | 18K | Indirect |
| Common Stock | 18K | Indirect |
| Common Stock | 18K | Indirect |
| Total | 72K | 72K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported