Heiden William K
CIK 0001214939
Director
Filings
12
Latest May 20, 2026
Issuers covered
2
Showing
12 of 12
Page 1
Track record
3 of 3 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 | 3 | 100% | +70.6% | +16.1% | +187.0% | +8.7% |
| 90 days | 3 | 100% | +87.9% | +3.4% | +259.1% | +1.3% |
| 180 days | 3 | 100% | +58.1% | +14.1% | +146.1% | +14.1% |
| 365 days | 1 | 100% | +104.7% | +104.7% | +104.7% | +104.7% |
Issuers
Companies where Heiden William K has filed
| Ticker | Issuer | Filings | Last filed |
|---|---|---|---|
| MGNX | MacRogenics Inc | 7 | May 20, 2026 |
| ATRA | Atara Biotherapeutics, Inc. | 5 | Jun 12, 2025 |
All filings
12 Form 4 / 4-A filings, newest first
| Filed | Top transaction | Shares | Price | Value | ||
|---|---|---|---|---|---|---|