Posner Brian S
Insider trading activity for Posner Brian S sourced from SEC EDGAR Form 4 filings.
Overview
- Company: Dyne Therapeutics, Inc.
- Total insider trades: 10
- Total buy volume: $231K
- Total sell volume: $93K
- Last trade: Oct 6, 2026
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Oct 2, 2026 | Posner Brian S | DYN Dyne Therapeutics, Inc. | BUY | 2,500 | $40K |
| Jun 5, 2026 | Posner Brian S | DYN Dyne Therapeutics, Inc. | OTHER | 35,152 | N/A |
| Jun 8, 2026 | Posner Brian S | DYN Dyne Therapeutics, Inc. | BUY | 2,000 | $34K |
| Jun 3, 2026 | Posner Brian S | DYN Dyne Therapeutics, Inc. | BUY | 2,500 | $44K |
| Jun 3, 2026 | Posner Brian S | ACGL ARCH CAPITAL GROUP LTD. | SELL | 3,000 | $59K |
| May 26, 2026 | Posner Brian S | DYN Dyne Therapeutics, Inc. | BUY | 2,000 | $36K |
| May 20, 2026 | Posner Brian S | DYN Dyne Therapeutics, Inc. | BUY | 2,500 | $43K |
| May 11, 2026 | Posner Brian S | ACGL ARCH CAPITAL GROUP LTD. | SELL | 2,000 | $34K |
| May 5, 2026 | Posner Brian S | ACGL ARCH CAPITAL GROUP LTD. | OTHER | 2,071 | N/A |
| Mar 30, 2026 | Posner Brian S | DYN Dyne Therapeutics, Inc. | BUY | 2,000 | $34K |