COX JOHN (CEO & President) sold 1.6% of their position (5.66K shares) of DYNE THERAPEUTICS, INC. on the open market
Open‑market sale worth $106.8K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 9/8/2026ACC: 0001498428-26-000005
DirectorOfficer· CEO & President
Since Mar 2026
-5.66K
Net shares
Net seller
$106.8K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
5.66K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−5.66K
Price / share
$18.88
Trade value
$106.82K
% of position
1.6%
9/8/2026
363.17K→357.51K
Total
Net shares
−5.66K
Net value
-$106.82K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 9/8/2026 | S · Sale | −5.66K | $18.88 | $106.82K | 1.6% | 363.17K | 357.51K |
| Total | −5.66K | -$106.82K | ||||||
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