# Atara Biotherapeutics, Inc. > Alpha governed public record. Unknown, unavailable, and unpublished values are never inferred as zero. ## Record | Field | Value | | --- | --- | | Representation | alpha-profile-markdown-v4 | | Protocol | Alpha Governance Facts Protocol 0.1 | | Schema | alpha.governance.entity.public.v1 | | Record version | public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | | Governance record representation | alpha-governance-record-v2 | | Canonical entity | alpha:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f | | Entity type | Company | | Canonical URL | https://registry.alpha.ac/companies/atara-biotherapeutics-inc | | Publication | PUBLISHED | | Verification | source_reported | | Verification schema | alpha-verification-states-v1 | | Ownership | unclaimed | | Published claims | 19 | | Claims under review | 1 | | Evidence records | 3 | | Conflicts | 0 | | Conflicts in internal review | 0 | | Observed | 2026-10-22T04:46:54.636037+00:00 | | Last reviewed | 2026-10-22T04:46:54.636037+00:00 | ## Identity - Legal name: Atara Biotherapeutics, Inc. - Display name: Atara Biotherapeutics, Inc. ## Alpha Governance Record | Field | Value | | --- | --- | | Governance Record schema | alpha-governance-record-v2 | | Ontology | alpha-governance-ontology-v1 | | Record version | public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce | | As of | 2026-10-22T06:34:46.976561+00:00 | | Completeness | 0.364 | | Record Quality | 0.821 | | Directors | 6 | | Committees | 5 | | Governance events | 13 | | Entity class | public_company | ## Section coverage | Section | State | | --- | --- | | identity | PUBLISHED | | corporate_structure | NOT_REVIEWED | | board | PUBLISHED | | committees | PUBLISHED | | leadership | NOT_REVIEWED | | ownership | NOT_REVIEWED | | financials | NOT_REVIEWED | | capital_structure | PUBLISHED | | compensation | NOT_REVIEWED | | governance | NOT_REVIEWED | | shareholder_governance | NOT_REVIEWED | | audit | NOT_REVIEWED | | legal | NOT_REVIEWED | | risk | NOT_REVIEWED | | cyber | NOT_REVIEWED | | ai_governance | NOT_REVIEWED | | agent_governance | RESTRICTED | | markets_external | NOT_REVIEWED | | events | PUBLISHED | | relationships | PUBLISHED | | assessments | PUBLISHED | | evidence | PUBLISHED | ## Board - AnhCo Nguyen, Ph.D.: Director. Status: current. Independent: false. Since: 2024-01-01. claim_id=alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:leadership_role:7 - Gregory A. Ciongoli: Director. Status: current. Independent: true. Since: 2024-01-01. Committees: Nominating and Governance (member). claim_id=alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:leadership_role:8 - James Huang: Director. Status: current. Independent: true. Since: 2025-01-01. claim_id=alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:leadership_role:9 - Matthew K. Fust: Director. Status: current. Independent: true. Since: 2014-01-01. Committees: Audit (chair); Audit · Chair (member). claim_id=alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:leadership_role:10 - Nachi Subramanian: Director. Status: current. Independent: true. Since: 2025-01-01. Committees: Nominating and Governance (chair); Nominating and Governance · Chair (member). claim_id=alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:leadership_role:11 - William K. Heiden: Director. Status: current. Independent: true. Since: 2015-01-01. Committees: Audit (member); Audit; Nominating and Governance · Chair (member); Nominating and Governance (chair). claim_id=alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:leadership_role:12 ## Committees - Audit (audit). Chair: Matthew K. Fust. Members: Matthew K. Fust (chair, current); William K. Heiden (member, current). committee_id=alpha:committee:atara-biotherapeutics-inc:audit - Audit · Chair (audit). Chair: NOT_PUBLISHED. Members: Matthew K. Fust (member, current). committee_id=alpha:committee:atara-biotherapeutics-inc:audit-chair - Audit; Nominating and Governance · Chair (audit). Chair: NOT_PUBLISHED. Members: William K. Heiden (member, current). committee_id=alpha:committee:atara-biotherapeutics-inc:audit-nominating-and-governance-chair - Nominating and Governance (nominating_governance). Chair: William K. Heiden. Members: Nachi Subramanian (chair, current); William K. Heiden (chair, current); Gregory A. Ciongoli (member, current). committee_id=alpha:committee:atara-biotherapeutics-inc:nominating-and-governance - Nominating and Governance · Chair (nominating_governance). Chair: NOT_PUBLISHED. Members: Nachi Subramanian (member, current). committee_id=alpha:committee:atara-biotherapeutics-inc:nominating-and-governance-chair ## Governance events - DIRECTOR_APPOINTED: James Huang seat on Atara Biotherapeutics, Inc., effective 2025-01-01. Effective: 2025-01-01. Detected: 2026-10-22T04:46:54.636037+00:00. event_id=alpha:event:transition:cd9ygh1j7y3mf - DIRECTOR_APPOINTED: Nachi Subramanian seat on Atara Biotherapeutics, Inc., effective 2025-01-01. Effective: 2025-01-01. Detected: 2026-10-22T04:46:54.636037+00:00. event_id=alpha:event:transition:16vzh7i77k9iq - COMMITTEE_CREATED: Nominating and Governance · Chair committee of Atara Biotherapeutics, Inc., effective 2025-01-01. Effective: 2025-01-01. Detected: 2026-10-22T04:46:54.636037+00:00. event_id=alpha:event:transition:1nxmlsm1wa9ck2 - COMMITTEE_MEMBER_ADDED: Nachi Subramanian member of Nominating and Governance · Chair, effective 2025-01-01. Effective: 2025-01-01. Detected: 2026-10-22T04:46:54.636037+00:00. event_id=alpha:event:transition:1g2curns1dmx3 - DIRECTOR_APPOINTED: AnhCo Nguyen, Ph.D. seat on Atara Biotherapeutics, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-22T04:46:54.636037+00:00. event_id=alpha:event:transition:15mgrz81831pd8 - DIRECTOR_APPOINTED: Gregory A. Ciongoli seat on Atara Biotherapeutics, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-22T04:46:54.636037+00:00. event_id=alpha:event:transition:hb177b18ryn5n - COMMITTEE_MEMBER_ADDED: Gregory A. Ciongoli member of Nominating and Governance, effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-22T04:46:54.636037+00:00. event_id=alpha:event:transition:1l4qk5i16f2t1w - DIRECTOR_APPOINTED: William K. Heiden seat on Atara Biotherapeutics, Inc., effective 2015-01-01. Effective: 2015-01-01. Detected: 2026-10-22T04:46:54.636037+00:00. event_id=alpha:event:transition:182lfag1lqrwiu - COMMITTEE_CREATED: Audit; Nominating and Governance · Chair committee of Atara Biotherapeutics, Inc., effective 2015-01-01. Effective: 2015-01-01. Detected: 2026-10-22T04:46:54.636037+00:00. event_id=alpha:event:transition:3ygp1cmc0iwe - COMMITTEE_MEMBER_ADDED: William K. Heiden member of Audit; Nominating and Governance · Chair, effective 2015-01-01. Effective: 2015-01-01. Detected: 2026-10-22T04:46:54.636037+00:00. event_id=alpha:event:transition:35fjc93sx9t7 - DIRECTOR_APPOINTED: Matthew K. Fust seat on Atara Biotherapeutics, Inc., effective 2014-01-01. Effective: 2014-01-01. Detected: 2026-10-22T04:46:54.636037+00:00. event_id=alpha:event:transition:l8rzbb191zzat - COMMITTEE_CREATED: Audit · Chair committee of Atara Biotherapeutics, Inc., effective 2014-01-01. Effective: 2014-01-01. Detected: 2026-10-22T04:46:54.636037+00:00. event_id=alpha:event:transition:1f6cssb1teya4l - COMMITTEE_MEMBER_ADDED: Matthew K. Fust member of Audit · Chair, effective 2014-01-01. Effective: 2014-01-01. Detected: 2026-10-22T04:46:54.636037+00:00. event_id=alpha:event:transition:jwqnji1o2kxru ## Scoped resources - `alpha://company/atara-biotherapeutics-inc` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record - `alpha://company/atara-biotherapeutics-inc/identity` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=identity - `alpha://company/atara-biotherapeutics-inc/corporate-structure` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=corporate-structure - `alpha://company/atara-biotherapeutics-inc/board` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=board - `alpha://company/atara-biotherapeutics-inc/committees` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=committees - `alpha://company/atara-biotherapeutics-inc/leadership` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=leadership - `alpha://company/atara-biotherapeutics-inc/ownership` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=ownership - `alpha://company/atara-biotherapeutics-inc/financials` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=financials - `alpha://company/atara-biotherapeutics-inc/capital-structure` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=capital-structure - `alpha://company/atara-biotherapeutics-inc/compensation` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=compensation - `alpha://company/atara-biotherapeutics-inc/governance` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=governance - `alpha://company/atara-biotherapeutics-inc/shareholder-governance` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=shareholder-governance - `alpha://company/atara-biotherapeutics-inc/audit` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=audit - `alpha://company/atara-biotherapeutics-inc/legal` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=legal - `alpha://company/atara-biotherapeutics-inc/risk` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=risk - `alpha://company/atara-biotherapeutics-inc/cyber` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=cyber - `alpha://company/atara-biotherapeutics-inc/ai-governance` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=ai-governance - `alpha://company/atara-biotherapeutics-inc/agents` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=agents - `alpha://company/atara-biotherapeutics-inc/ecosystem` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=ecosystem - `alpha://company/atara-biotherapeutics-inc/events` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=events - `alpha://company/atara-biotherapeutics-inc/relationships` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=relationships - `alpha://company/atara-biotherapeutics-inc/assessments` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=assessments - `alpha://company/atara-biotherapeutics-inc/evidence` (contract): https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record§ion=evidence ## Role modules - NOT_ASSERTED ## Attention - NO_RECORDS_FOUND ## Committee data - Claim alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:committee_appointment:14: `{"kind":"committee_appointment","original_name":"Audit","category":"audit","role":"chair","person":{"alpha_id":"alpha:person:matthew-k-fust","name":"Matthew K. Fust"},"source_id":"board_seats"}` - Claim alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:committee_appointment:15: `{"kind":"committee_appointment","original_name":"Audit","category":"audit","role":"member","person":{"alpha_id":"alpha:person:william-k-heiden","name":"William K. Heiden"},"source_id":"board_seats"}` - Claim alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:committee_appointment:17: `{"kind":"committee_appointment","original_name":"Nominating and Governance","category":"nominating_governance","role":"chair","person":{"alpha_id":"alpha:person:nachi-subramanian","name":"Nachi Subramanian"},"source_id":"board_seats"}` - Claim alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:committee_appointment:18: `{"kind":"committee_appointment","original_name":"Nominating and Governance","category":"nominating_governance","role":"chair","person":{"alpha_id":"alpha:person:william-k-heiden","name":"William K. Heiden"},"source_id":"board_seats"}` - Claim alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:committee_appointment:19: `{"kind":"committee_appointment","original_name":"Nominating and Governance","category":"nominating_governance","role":"member","person":{"alpha_id":"alpha:person:gregory-a-ciongoli","name":"Gregory A. Ciongoli"},"source_id":"board_seats"}` ## Leadership - AnhCo Nguyen, Ph.D.: Director. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:leadership_role:7. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:52184c0ea0aa62e8ac5c6700c810659b55ae28bb522d619a9bd2e3c242cde031. - Gregory A. Ciongoli: Director, Nominating and Governance. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:leadership_role:8. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:52184c0ea0aa62e8ac5c6700c810659b55ae28bb522d619a9bd2e3c242cde031. - James Huang: Director. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:leadership_role:9. Valid from: 2025-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:52184c0ea0aa62e8ac5c6700c810659b55ae28bb522d619a9bd2e3c242cde031. - Matthew K. Fust: Director, Audit · Chair. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:leadership_role:10. Valid from: 2014-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:52184c0ea0aa62e8ac5c6700c810659b55ae28bb522d619a9bd2e3c242cde031. - Nachi Subramanian: Director, Nominating and Governance · Chair. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:leadership_role:11. Valid from: 2025-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:52184c0ea0aa62e8ac5c6700c810659b55ae28bb522d619a9bd2e3c242cde031. - William K. Heiden: Director, Audit; Nominating and Governance · Chair. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:leadership_role:12. Valid from: 2015-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:52184c0ea0aa62e8ac5c6700c810659b55ae28bb522d619a9bd2e3c242cde031. ## Roles - PUBLISHED ## Governance - NOT_ASSERTED ## Board committees - Audit: Chair Matthew K. Fust; Members Matthew K. Fust (Chair); William K. Heiden. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:committee_record:13. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:5fabbf66cbbe3753ba1bf7695dc1ea23bc0ff7d9c020c8926d301018fb2b54d8. - Nominating and Governance: Chair Nachi Subramanian; William K. Heiden; Members Nachi Subramanian (Chair); William K. Heiden (Chair); Gregory A. Ciongoli. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:committee_record:16. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:5fabbf66cbbe3753ba1bf7695dc1ea23bc0ff7d9c020c8926d301018fb2b54d8. ## Financials - NOT_ASSERTED ## Workforce - NOT_ASSERTED ## Market and index context - PUBLISHED ## Legal Name - Atara Biotherapeutics, Inc.. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:legal_name:1. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:40ba72eaf573899a542f499cecb727c14fe11350688ba4262f1f291f2b039b89. ## Entity Status - Public listing published. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:entity_status:3. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:40ba72eaf573899a542f499cecb727c14fe11350688ba4262f1f291f2b039b89. ## Published Fact - US. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:published_fact:4. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:40ba72eaf573899a542f499cecb727c14fe11350688ba4262f1f291f2b039b89. - Healthcare. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:published_fact:5. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:40ba72eaf573899a542f499cecb727c14fe11350688ba4262f1f291f2b039b89. - Biotechnology. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:published_fact:6. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:40ba72eaf573899a542f499cecb727c14fe11350688ba4262f1f291f2b039b89. ## Committee Appointment - Matthew K. Fust: chair, Audit. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:committee_appointment:14. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:5fabbf66cbbe3753ba1bf7695dc1ea23bc0ff7d9c020c8926d301018fb2b54d8. - William K. Heiden: member, Audit. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:committee_appointment:15. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:5fabbf66cbbe3753ba1bf7695dc1ea23bc0ff7d9c020c8926d301018fb2b54d8. - Nachi Subramanian: chair, Nominating and Governance. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:committee_appointment:17. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:5fabbf66cbbe3753ba1bf7695dc1ea23bc0ff7d9c020c8926d301018fb2b54d8. - William K. Heiden: chair, Nominating and Governance. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:committee_appointment:18. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:5fabbf66cbbe3753ba1bf7695dc1ea23bc0ff7d9c020c8926d301018fb2b54d8. - Gregory A. Ciongoli: member, Nominating and Governance. Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:committee_appointment:19. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:5fabbf66cbbe3753ba1bf7695dc1ea23bc0ff7d9c020c8926d301018fb2b54d8. ## Security Listing - ATRA (NASDAQ). Claim: alpha:claim:company:f23c27a4-e4f1-438f-af71-bda0a9d5a23f:security_listing:20. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:40ba72eaf573899a542f499cecb727c14fe11350688ba4262f1f291f2b039b89. ## Coverage states | Field | Value | | --- | --- | | Identity | PUBLISHED | | Business | PUBLISHED | | Leadership | PUBLISHED | | Board and committees | PUBLISHED | | Governance | NOT_ASSERTED | | Financials | NOT_ASSERTED | | Workforce | NOT_ASSERTED | | Ownership | NOT_ASSERTED | | Ratings | NOT_PUBLISHED | | Market and index context | PUBLISHED | ## Public sources - alpha:projection-evidence:40ba72eaf573899a542f499cecb727c14fe11350688ba4262f1f291f2b039b89: [Alpha canonical company public projection](https://www.alpha.ac/api/public/companies/atara-biotherapeutics-inc). - alpha:projection-evidence:document:52184c0ea0aa62e8ac5c6700c810659b55ae28bb522d619a9bd2e3c242cde031: [Atara Biotherapeutics, Inc. DEF 14A 2026-04-24](https://www.sec.gov/Archives/edgar/data/1604464/000119312526177285/atra-20260424.htm). - alpha:projection-evidence:5fabbf66cbbe3753ba1bf7695dc1ea23bc0ff7d9c020c8926d301018fb2b54d8: [Audit](https://www.sec.gov/Archives/edgar/data/1604464/000119312526177285/atra-20260424.htm). ## Rights | Field | Value | | --- | --- | | public_retrieval | allowed | | agent_retrieval | allowed | | redistribution | not_granted | | model_training | not_granted | | commercial_use | not_specified | | relationship_pathfinding | not_granted | | direct_contact | not_granted | ## Limitations - Absence of a leadership role, committee, or disclosure is not evidence that it does not exist. - Only explicitly published canonical company identity and current confirmed public roles are included. - Absence of a board, committee, executive, listing, or claim is not evidence that it does not exist. - Public retrieval does not grant redistribution, model-training, direct-contact, or relationship-pathfinding rights. - This Company Profile is an identity and evidence record, not an Alpha rating. ## Alternate representations - [Canonical profile](https://registry.alpha.ac/companies/atara-biotherapeutics-inc) - [Public Markdown](https://registry.alpha.ac/companies/atara-biotherapeutics-inc.md) - [Public JSON](https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=record) - [JSON-LD](https://registry.alpha.ac/api/public/companies/atara-biotherapeutics-inc?format=jsonld) - MCP resource: `alpha://companies/atara-biotherapeutics-inc` at https://mcp.alpha.ac/mcp ## Connected governance records Only explicitly published, rights-cleared records. Missing records do not establish absence, safety, or complete coverage. ## Critical-risk oversight Snapshot as of 2026-10-22T06:34:46.760494+00:00; recorded 2026-10-22T06:34:46.760494+00:00. Every published assignment for this snapshot is listed. Only explicitly reviewed, rights-cleared assignments in effect on the as-of date, in the company's own wording. An assignment shows where oversight is placed, not whether it is effective. Missing records do not establish absence.