POSNER BRIAN S purchased 11.1% of their position (2K shares) of DYNE THERAPEUTICS, INC. on the open market
Open‑market purchase worth $36.4K — a moderate purchase. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 5/28/2026ACC: 0001193125-26-245237
+2K
Net shares
Net buyer
$36.4K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
2K acquired
Non-Derivative Transactions1
Common Stock
Direct
Shares
+2K
Price / share
$18.21
Trade value
$36.42K
% of position
11.1%
5/26/2026
18K→20K
Total
Net shares
+2K
Net value
$36.42K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 5/26/2026 | P · Purchase | +2K | $18.21 | $36.42K | 11.1% | 18K | 20K |
| Total | +2K | $36.42K | ||||||
Derivative Transactions0
No derivative transactions reported