Form 4 holding
Director
Atara Biotherapeutics, Inc.
- Security class
- Common Stock
- Shares / value
- 34,188
- Estimated value
- $161,709
- Report date
- 09 Jun 2026
- Price
- $4.73
- Ownership
- Direct
William K. Heiden - Director at Atara Biotherapeutics, Inc.
Issuer-level insider activity
- Role
- Director
- Issuer ticker
- ATRA on Nasdaq
- Entity type
- Individual
- Source filing history
- Open source filing history
Identity
Names, identifiers, and filing context for this profile.
1 identity field
Source evidence
Original filing metadata and source links for verification.
1 source field
No buys or sells have been reported by William K. Heiden since 03 Jul 2025
Reported holdings for William K. Heiden in Atara Biotherapeutics, Inc.
Transaction history for William K. Heiden in Atara Biotherapeutics, Inc.
| Sym | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares after | Date | Ownership |
|---|
* marks a reported price that did not pass the local price check.