Heiden William K
All linked companies
| Company | Shares held | Latest |
|---|---|---|
| MacroGenics, Inc. · MGNX | 114,750 | May 19, 2026 |
| Atara Biotherapeutics, Inc. · ATRA | 34,188 | Jun 9, 2026 |
| Company | Shares held | Latest |
|---|---|---|
| MacroGenics, Inc. · MGNX | 114,750 | May 19, 2026 |
| Atara Biotherapeutics, Inc. · ATRA | 34,188 | Jun 9, 2026 |