William K Heiden
Director · 2 filings · Latest: Jun 9, 2026
Atara Biotherapeutics, Inc.
MACROGENICS INC
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
MGNX | William K Heiden | Director | May 18, 2026 | Option Exercise | — | 3,750 | — | 114,750 |