# Summit Therapeutics 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 Unknown, unavailable, and unpublished values are never inferred as zero.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:1cf82ad4-1600-4d75-b8cf-eb91eb166d48 | | Entity type | Company | | Canonical URL | https://registry.alpha.ac/companies/summit-therapeutics-inc | | Publication | PUBLISHED | | Verification | source_reported | | Verification schema | alpha-verification-states-v1 | | Ownership | unclaimed | | Published claims | 35 | | Claims under review | 1 | | Evidence records | 6 | | Conflicts | 0 | | Conflicts in internal review | 0 | | Observed | 2026-10-18T07:11:20.423029+00:00 | | Last reviewed | 2026-10-18T07:11:20.423029+00:00 | ## Identity - Legal name: Summit Therapeutics Inc. - Display name: Summit Therapeutics 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 | 2026-10-19T03:04:24.6919+00:00 | | Completeness | 0.409 | | Record Quality | 0.833 | | Directors | 9 | | Committees | 4 | | Governance events | 18 | | Entity class | public_company | ## Section coverage | Section | State | | --- | --- | | identity | PUBLISHED | | corporate_structure | NOT_REVIEWED | | board | PUBLISHED | | committees | PUBLISHED | | leadership | PUBLISHED | | 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 - Alessandra Cesano: Director. Status: current. Independent: true. Since: 2022-01-01. Committees: Audit (member); Audit; Compensation; Nominating and Governance (member); Compensation (member); Nominating and Governance (member). claim_id=alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:6 - Jeff Huber: Director. Status: current. Independent: true. Since: 2024-01-01. Committees: Audit (member); Audit; Compensation; Nominating and Governance (member); Compensation (member); Nominating and Governance (member). claim_id=alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:7 - Kenneth A. Clark: Director. Status: current. Independent: true. Since: 2021-01-01. Committees: Audit (member); Audit; Compensation; Nominating and Governance (member); Compensation (member); Nominating and Governance (member). claim_id=alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:8 - Mahkam Zanganeh: Director. Status: current. Independent: false. Since: 2020-01-01. claim_id=alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:9 - Manmeet Soni: Director. Status: current. Independent: false. Since: 2019-01-01. claim_id=alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:10 - Mostafa Ronaghi: Director. Status: current. Independent: true. Since: 2024-01-01. Committees: Audit (member); Audit; Compensation; Nominating and Governance (member); Compensation (member); Nominating and Governance (member). claim_id=alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:11 - Robert Booth: Director. Status: current. Independent: true. Since: 2022-01-01. Committees: Audit (member); Audit; Compensation; Nominating and Governance (member); Compensation (member); Nominating and Governance (member). claim_id=alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:12 - Robert Duggan: Director. Status: current. Independent: false. Since: 2019-01-01. claim_id=alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:13 - Yu (Michelle) Xia: Director. Status: current. Independent: true. Since: 2023-01-01. claim_id=alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:14 ## Committees - Audit (audit). Chair: NOT_PUBLISHED. Members: Alessandra Cesano (member, current); Jeff Huber (member, current); Kenneth A. Clark (member, current); Mostafa Ronaghi (member, current); Robert Booth (member, current). committee_id=alpha:committee:summit-therapeutics-inc:audit - Audit; Compensation; Nominating and Governance (audit). Chair: NOT_PUBLISHED. Members: Alessandra Cesano (member, current); Jeff Huber (member, current); Kenneth A. Clark (member, current); Mostafa Ronaghi (member, current); Robert Booth (member, current). committee_id=alpha:committee:summit-therapeutics-inc:audit-compensation-nominating-and-governance - Compensation (compensation). Chair: NOT_PUBLISHED. Members: Alessandra Cesano (member, current); Jeff Huber (member, current); Kenneth A. Clark (member, current); Mostafa Ronaghi (member, current); Robert Booth (member, current). committee_id=alpha:committee:summit-therapeutics-inc:compensation - Nominating and Governance (nominating_governance). Chair: NOT_PUBLISHED. Members: Alessandra Cesano (member, current); Jeff Huber (member, current); Kenneth A. Clark (member, current); Mostafa Ronaghi (member, current); Robert Booth (member, current). committee_id=alpha:committee:summit-therapeutics-inc:nominating-and-governance ## Executive leadership - Mahkam Zanganeh: Co-Chief Executive Officer [CEO]. Status: current. claim_id=alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:15 - Manmeet Soni: Principal Financial Officer. Status: current. claim_id=alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:16 - Robert W. Duggan: Co-Chief Executive Officer [CEO]. Status: current. claim_id=alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:17 ## Governance events - CEO_CHANGED: Mahkam Zanganeh executive of Summit Therapeutics Inc., effective 2026-04-17. Effective: 2026-04-17. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:1z13lym12z5wm6 - EXECUTIVE_APPOINTED: Manmeet Soni executive of Summit Therapeutics Inc., effective 2026-04-17. Effective: 2026-04-17. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:129ybztf1phrz - CEO_CHANGED: Robert W. Duggan executive of Summit Therapeutics Inc., effective 2026-04-17. Effective: 2026-04-17. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:6runfjz7cuzj - DIRECTOR_APPOINTED: Jeff Huber seat on Summit Therapeutics Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:n0mx2q1it6vi6 - DIRECTOR_APPOINTED: Mostafa Ronaghi seat on Summit Therapeutics Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:b3carr3ra7s5 - COMMITTEE_MEMBER_ADDED: Jeff Huber member of Audit; Compensation; Nominating and Governance, effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:neuc61rjv3qk - COMMITTEE_MEMBER_ADDED: Mostafa Ronaghi member of Audit; Compensation; Nominating and Governance, effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:1lk0objzal4lz - DIRECTOR_APPOINTED: Yu (Michelle) Xia seat on Summit Therapeutics Inc., effective 2023-01-01. Effective: 2023-01-01. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:1ljw4w91sh8stz - DIRECTOR_APPOINTED: Alessandra Cesano seat on Summit Therapeutics Inc., effective 2022-01-01. Effective: 2022-01-01. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:zt7p1x1ddnfu9 - DIRECTOR_APPOINTED: Robert Booth seat on Summit Therapeutics Inc., effective 2022-01-01. Effective: 2022-01-01. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:64003uppbfhk - COMMITTEE_CREATED: Audit; Compensation; Nominating and Governance committee of Summit Therapeutics Inc., effective 2022-01-01. Effective: 2022-01-01. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:ikpu3x1soq4ep - COMMITTEE_MEMBER_ADDED: Alessandra Cesano member of Audit; Compensation; Nominating and Governance, effective 2022-01-01. Effective: 2022-01-01. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:n3p3zr17dncr3 - COMMITTEE_MEMBER_ADDED: Robert Booth member of Audit; Compensation; Nominating and Governance, effective 2022-01-01. Effective: 2022-01-01. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:278g7o9nqvie - DIRECTOR_APPOINTED: Kenneth A. Clark seat on Summit Therapeutics Inc., effective 2021-01-01. Effective: 2021-01-01. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:1dtorzw1qs9ylg - COMMITTEE_MEMBER_ADDED: Kenneth A. Clark member of Audit; Compensation; Nominating and Governance, effective 2021-01-01. Effective: 2021-01-01. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:8h7g321ez77ii - DIRECTOR_APPOINTED: Mahkam Zanganeh seat on Summit Therapeutics Inc., effective 2020-01-01. Effective: 2020-01-01. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:12g1k9k1p7rxv8 - DIRECTOR_APPOINTED: Manmeet Soni seat on Summit Therapeutics Inc., effective 2019-01-01. Effective: 2019-01-01. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:cmaegm1gpz5qe - DIRECTOR_APPOINTED: Robert Duggan seat on Summit Therapeutics Inc., effective 2019-01-01. Effective: 2019-01-01. Detected: 2026-10-18T07:11:20.423029+00:00. event_id=alpha:event:transition:142k3ntqq44p9 ## Scoped resources - `alpha://company/summit-therapeutics-inc` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record - `alpha://company/summit-therapeutics-inc/identity` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=identity - `alpha://company/summit-therapeutics-inc/corporate-structure` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=corporate-structure - `alpha://company/summit-therapeutics-inc/board` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=board - `alpha://company/summit-therapeutics-inc/committees` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=committees - `alpha://company/summit-therapeutics-inc/leadership` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=leadership - `alpha://company/summit-therapeutics-inc/ownership` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=ownership - `alpha://company/summit-therapeutics-inc/financials` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=financials - `alpha://company/summit-therapeutics-inc/capital-structure` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=capital-structure - `alpha://company/summit-therapeutics-inc/compensation` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=compensation - `alpha://company/summit-therapeutics-inc/governance` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=governance - `alpha://company/summit-therapeutics-inc/shareholder-governance` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=shareholder-governance - `alpha://company/summit-therapeutics-inc/audit` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=audit - `alpha://company/summit-therapeutics-inc/legal` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=legal - `alpha://company/summit-therapeutics-inc/risk` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=risk - `alpha://company/summit-therapeutics-inc/cyber` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=cyber - `alpha://company/summit-therapeutics-inc/ai-governance` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=ai-governance - `alpha://company/summit-therapeutics-inc/agents` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=agents - `alpha://company/summit-therapeutics-inc/ecosystem` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=ecosystem - `alpha://company/summit-therapeutics-inc/events` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=events - `alpha://company/summit-therapeutics-inc/relationships` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=relationships - `alpha://company/summit-therapeutics-inc/assessments` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=assessments - `alpha://company/summit-therapeutics-inc/evidence` (contract): https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record§ion=evidence ## Role modules - NOT_ASSERTED ## Attention - NO_RECORDS_FOUND ## Committee data - Claim alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:19: `{"kind":"committee_appointment","original_name":"Audit","category":"audit","role":"member","person":{"alpha_id":"alpha:person:alessandra-cesano","name":"Alessandra Cesano"},"source_id":"board_seats"}` - Claim alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:20: `{"kind":"committee_appointment","original_name":"Audit","category":"audit","role":"member","person":{"alpha_id":"alpha:person:jeff-huber","name":"Jeff Huber"},"source_id":"board_seats"}` - Claim alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:21: `{"kind":"committee_appointment","original_name":"Audit","category":"audit","role":"member","person":{"alpha_id":"alpha:person:kenneth-a-clark","name":"Kenneth A. Clark"},"source_id":"board_seats"}` - Claim alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:22: `{"kind":"committee_appointment","original_name":"Audit","category":"audit","role":"member","person":{"alpha_id":"alpha:person:mostafa-ronaghi","name":"Mostafa Ronaghi"},"source_id":"board_seats"}` - Claim alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:23: `{"kind":"committee_appointment","original_name":"Audit","category":"audit","role":"member","person":{"alpha_id":"alpha:person:robert-booth","name":"Robert Booth"},"source_id":"board_seats"}` - Claim alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:25: `{"kind":"committee_appointment","original_name":"Compensation","category":"compensation","role":"member","person":{"alpha_id":"alpha:person:alessandra-cesano","name":"Alessandra Cesano"},"source_id":"board_seats"}` - Claim alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:26: `{"kind":"committee_appointment","original_name":"Compensation","category":"compensation","role":"member","person":{"alpha_id":"alpha:person:jeff-huber","name":"Jeff Huber"},"source_id":"board_seats"}` - Claim alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:27: `{"kind":"committee_appointment","original_name":"Compensation","category":"compensation","role":"member","person":{"alpha_id":"alpha:person:kenneth-a-clark","name":"Kenneth A. Clark"},"source_id":"board_seats"}` - Claim alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:28: `{"kind":"committee_appointment","original_name":"Compensation","category":"compensation","role":"member","person":{"alpha_id":"alpha:person:mostafa-ronaghi","name":"Mostafa Ronaghi"},"source_id":"board_seats"}` - Claim alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:29: `{"kind":"committee_appointment","original_name":"Compensation","category":"compensation","role":"member","person":{"alpha_id":"alpha:person:robert-booth","name":"Robert Booth"},"source_id":"board_seats"}` - Claim alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:31: `{"kind":"committee_appointment","original_name":"Nominating and Governance","category":"nominating_governance","role":"member","person":{"alpha_id":"alpha:person:alessandra-cesano","name":"Alessandra Cesano"},"source_id":"board_seats"}` - Claim alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:32: `{"kind":"committee_appointment","original_name":"Nominating and Governance","category":"nominating_governance","role":"member","person":{"alpha_id":"alpha:person:jeff-huber","name":"Jeff Huber"},"source_id":"board_seats"}` - Claim alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:33: `{"kind":"committee_appointment","original_name":"Nominating and Governance","category":"nominating_governance","role":"member","person":{"alpha_id":"alpha:person:kenneth-a-clark","name":"Kenneth A. Clark"},"source_id":"board_seats"}` - Claim alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:34: `{"kind":"committee_appointment","original_name":"Nominating and Governance","category":"nominating_governance","role":"member","person":{"alpha_id":"alpha:person:mostafa-ronaghi","name":"Mostafa Ronaghi"},"source_id":"board_seats"}` - Claim alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:35: `{"kind":"committee_appointment","original_name":"Nominating and Governance","category":"nominating_governance","role":"member","person":{"alpha_id":"alpha:person:robert-booth","name":"Robert Booth"},"source_id":"board_seats"}` ## Leadership - Alessandra Cesano: Director, Audit; Compensation; Nominating and Governance. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:6. Valid from: 2022-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:2e6260413ef61ab6b59f8238d4879da9994b1ecd64e8b8932ec01dcb736399a6. - Jeff Huber: Director, Audit; Compensation; Nominating and Governance. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48: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:2e6260413ef61ab6b59f8238d4879da9994b1ecd64e8b8932ec01dcb736399a6. - Kenneth A. Clark: Director, Audit; Compensation; Nominating and Governance. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:8. Valid from: 2021-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:2e6260413ef61ab6b59f8238d4879da9994b1ecd64e8b8932ec01dcb736399a6. - Mahkam Zanganeh: Director. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:9. Valid from: 2020-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:2e6260413ef61ab6b59f8238d4879da9994b1ecd64e8b8932ec01dcb736399a6. - Manmeet Soni: Director. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:10. Valid from: 2019-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:2e6260413ef61ab6b59f8238d4879da9994b1ecd64e8b8932ec01dcb736399a6. - Mostafa Ronaghi: Director, Audit; Compensation; Nominating and Governance. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:11. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:2e6260413ef61ab6b59f8238d4879da9994b1ecd64e8b8932ec01dcb736399a6. - Robert Booth: Director, Audit; Compensation; Nominating and Governance. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:12. Valid from: 2022-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:2e6260413ef61ab6b59f8238d4879da9994b1ecd64e8b8932ec01dcb736399a6. - Robert Duggan: Director. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:13. Valid from: 2019-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:2e6260413ef61ab6b59f8238d4879da9994b1ecd64e8b8932ec01dcb736399a6. - Yu (Michelle) Xia: Director. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:14. Valid from: 2023-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:2e6260413ef61ab6b59f8238d4879da9994b1ecd64e8b8932ec01dcb736399a6. - Mahkam Zanganeh: Co-Chief Executive Officer. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:15. Valid from: 2026-04-17. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:d106997aedb4db51939af7753fe25aa498911cd99f83a9890b502465797d07be. - Manmeet Soni: Principal Financial Officer. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:16. Valid from: 2026-04-17. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:4613c74edf6009fb2c6296daa20f4b2cda0544b7d2a3093592f182639e7b3868. - Robert W. Duggan: Co-Chief Executive Officer. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:leadership_role:17. Valid from: 2026-04-17. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:9127734b596964b0f90e1b6bc59dc182b76169394ef197fb211877515bc4bd9e. ## Roles - PUBLISHED ## Governance - NOT_ASSERTED ## Board committees - Audit: Chair not stated; Members Alessandra Cesano; Jeff Huber; Kenneth A. Clark; Mostafa Ronaghi; Robert Booth. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_record:18. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Compensation: Chair not stated; Members Alessandra Cesano; Jeff Huber; Kenneth A. Clark; Mostafa Ronaghi; Robert Booth. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_record:24. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Nominating and Governance: Chair not stated; Members Alessandra Cesano; Jeff Huber; Kenneth A. Clark; Mostafa Ronaghi; Robert Booth. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_record:30. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. ## Financials - NOT_ASSERTED ## Workforce - NOT_ASSERTED ## Market and index context - PUBLISHED ## Legal Name - Summit Therapeutics Inc.. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:legal_name:1. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:e875ab69e199dc5aa10429ca76d907c92b4c97cad2c9a23d678a74ab1345ef49. ## Entity Status - Public listing published. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:entity_status:3. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:e875ab69e199dc5aa10429ca76d907c92b4c97cad2c9a23d678a74ab1345ef49. ## Published Fact - US. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:published_fact:4. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:e875ab69e199dc5aa10429ca76d907c92b4c97cad2c9a23d678a74ab1345ef49. - Healthcare. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:published_fact:5. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:e875ab69e199dc5aa10429ca76d907c92b4c97cad2c9a23d678a74ab1345ef49. ## Committee Appointment - Alessandra Cesano: member, Audit. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:19. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Jeff Huber: member, Audit. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:20. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Kenneth A. Clark: member, Audit. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:21. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Mostafa Ronaghi: member, Audit. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:22. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Robert Booth: member, Audit. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:23. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Alessandra Cesano: member, Compensation. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:25. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Jeff Huber: member, Compensation. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:26. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Kenneth A. Clark: member, Compensation. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:27. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Mostafa Ronaghi: member, Compensation. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:28. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Robert Booth: member, Compensation. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:29. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Alessandra Cesano: member, Nominating and Governance. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:31. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Jeff Huber: member, Nominating and Governance. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:32. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Kenneth A. Clark: member, Nominating and Governance. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:33. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Mostafa Ronaghi: member, Nominating and Governance. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:34. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. - Robert Booth: member, Nominating and Governance. Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:committee_appointment:35. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109. ## Security Listing - SMMT (NASDAQ). Claim: alpha:claim:company:1cf82ad4-1600-4d75-b8cf-eb91eb166d48:security_listing:36. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:e875ab69e199dc5aa10429ca76d907c92b4c97cad2c9a23d678a74ab1345ef49. ## 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:e875ab69e199dc5aa10429ca76d907c92b4c97cad2c9a23d678a74ab1345ef49: [Alpha canonical company public projection](https://www.alpha.ac/api/public/companies/summit-therapeutics-inc). - alpha:projection-evidence:document:2e6260413ef61ab6b59f8238d4879da9994b1ecd64e8b8932ec01dcb736399a6: [Summit Therapeutics DEF 14A 2026-04-17](https://www.sec.gov/Archives/edgar/data/1599298/000159929826000029/smmt-20260417.htm). - alpha:projection-evidence:document:d106997aedb4db51939af7753fe25aa498911cd99f83a9890b502465797d07be: [SMMT DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1599298/000159929826000029/smmt-20260417.htm). - alpha:projection-evidence:document:4613c74edf6009fb2c6296daa20f4b2cda0544b7d2a3093592f182639e7b3868: [SMMT DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1599298/000159929826000029/smmt-20260417.htm). - alpha:projection-evidence:document:9127734b596964b0f90e1b6bc59dc182b76169394ef197fb211877515bc4bd9e: [SMMT DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1599298/000159929826000029/smmt-20260417.htm). - alpha:projection-evidence:32d0408ef186119e1eb495878f04960a53fa3615d4851a8252f178465b499109: [Audit](https://www.sec.gov/Archives/edgar/data/1599298/000159929826000029/smmt-20260417.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/summit-therapeutics-inc) - [Public Markdown](https://registry.alpha.ac/companies/summit-therapeutics-inc.md) - [Public JSON](https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=record) - [JSON-LD](https://registry.alpha.ac/api/public/companies/summit-therapeutics-inc?format=jsonld) - MCP resource: `alpha://companies/summit-therapeutics-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 2026-10-19T03:04:24.485108+00:00; recorded 2026-10-19T03:04:24.485108+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.