Brian S Posner
Director · 7 filings · Latest: Jun 3, 2026
ARCH CAPITAL GROUP LTD.
Dyne Therapeutics, Inc.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
DYN | Brian S Posner | Director | Jun 3, 2026 | Purchase | $17.48 | 2,500 | $43.7K | 22,500 | |
ACGL | Brian S Posner | Director | Jun 3, 2026 | Sale | $19.66 | 3,000 | $59.0K | 0 | |
DYN | Brian S Posner | Director | May 26, 2026 | Purchase | $18.21 | 2,000 | $36.4K | 20,000 | |
DYN | Brian S Posner | Director | May 20, 2026 | Purchase | $17.12 | 2,500 | $42.8K | 18,000 | |
ACGL | Brian S Posner | Director | May 11, 2026 | Sale | $17.14 | 2,000 | $34.3K | 0 | |
ACGL | Brian S Posner | Director | May 5, 2026 | Grant/Award | — | 2,071 | — | 122,175 | |
DYN | Brian S Posner | Director | Mar 30, 2026 | Purchase | $17.08 | 2,000 | $34.2K | 15,500 |