Sandbrook William J
CIK 0001527678
See RemarksDirector10% Owner
Filings
18
Latest May 21, 2026
Issuers covered
3
Showing
18 of 18
Page 1
Track record
8 of 8 open-market trades scored (100% price coverage). 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 | 8 | 25% | -6.3% | -7.2% | +11.9% | -17.6% |
| 90 days | 7 | 0% | -29.2% | -30.8% | -4.6% | -39.5% |
| 180 days | 6 | 0% | -86.3% | -89.5% | -58.3% | -104.5% |
| 365 days | 2 | 0% | -113.8% | -113.8% | -78.2% | -149.4% |
Issuers
Companies where Sandbrook William J has filed
| Ticker | Issuer | Filings | Last filed |
|---|---|---|---|
| FIX | Comfort Systems USA Inc | 12 | May 19, 2026 |
| KNF | Knife River Corp | 4 | May 21, 2026 |
| WNNR | Andretti Acquisition Corp. | 2 | Apr 1, 2024 |
All filings
18 Form 4 / 4-A filings, newest first
| Filed | Top transaction | Shares | Price | Value | ||
|---|---|---|---|---|---|---|