Posner Brian S
CIK 0001372455
Director
Filings
16
Latest Jun 4, 2026
Issuers covered
2
Showing
16 of 16
Page 1
Track record
6 of 10 open-market trades scored (60% price coverage) - 4 issuers without price data. Returns are signed: a +10% move on a sale shows as -10% (insider was wrong).
| Horizon | Trades | Win rate | Avg | Median | Best | Worst |
|---|---|---|---|---|---|---|
| 30 days | 6 | 67% | +4.2% | +2.8% | +23.5% | -6.6% |
| 90 days | 3 | 33% | +5.7% | -1.5% | +23.9% | -5.2% |
| 180 days | 2 | 100% | +6.9% | +6.9% | +7.0% | +6.8% |
| 365 days | 1 | 100% | +66.2% | +66.2% | +66.2% | +66.2% |
Issuers
Companies where Posner Brian S has filed
| Ticker | Issuer | Filings | Last filed |
|---|---|---|---|
| ACGL | Arch Capital Group Ltd. | 10 | Jun 4, 2026 |
| DYN | Dyne Therapeutics, Inc. | 6 | May 28, 2026 |
All filings
16 Form 4 / 4-A filings, newest first
| Filed | Top transaction | Shares | Price | Value | ||
|---|---|---|---|---|---|---|