POSNER BRIAN S purchased 10.2% of their position (2.50K shares) of DYNE THERAPEUTICS, INC. on the open market
Open‑market purchase worth $40.0K — a moderate purchase. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 10/6/2026ACC: 0001193125-26-415584
+2.50K
Net shares
Net buyer
$40.0K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
2.50K acquired
Non-Derivative Transactions1
Common Stock
Direct
Shares
+2.50K
Price / share
$16.00
Trade value
$40K
% of position
10.2%
10/2/2026
24.50K→27K
Total
Net shares
+2.50K
Net value
$40K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 10/2/2026 | P · Purchase | +2.50K | $16.00 | $40K | 10.2% | 24.50K | 27K |
| Total | +2.50K | $40K | ||||||
Derivative Transactions0
No derivative transactions reported