Published mark

Solid Biosciences Inc.

NASDAQ: SLDB. Canonical company identity and public leadership record.

Record source reportedRecord not claimedNo Eval published

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Alpha ID: alpha:company:095f7012-5840-46be-ad45-065190cac18d
SEC CIK: 0001707502
Record version: vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce, published Oct 17, 2026
Newest evidence: Apr 23, 2026
Monitoring: Not yet monitored Details
Integrity: Not yet signed Methodology

CEO: Alexander CumboPresident and Chief Executive Officer
Chair: Ian F. Smith
Independent: Not published4 directors published
Published claims: 232 distinct sources
Evidence records: 50 pinned
Source conflicts: 0None open

Built from 2 distinct sources and 5 evidence records. Every Claim links to where it appears. Where nothing was published, the record states the coverage gap.

CorroboratedSource reportedAlpha inferenceNot disclosed

Public record. Alpha publishes governance facts about this organization from regulatory filings and company statements. Private enterprise overlay data is never projected here. The company can claim the record, correct, or dispute any Claim. How this works

EXECUTIVE APPOINTED

Gabriel Brooks executive of Solid Biosciences Inc., effective 2026-04-23.

EffectiveEffective Apr 23, 2026E4

Monitoring

Continuous

What the published record states about identity, evidence, evaluation, monitoring, authority, and freshness. Watched-source schedules are not published for this record.

Identityunclaimed
Published
Evidencesource_reported
Published
Evaluationnot_evaluated
Published
MonitoringNot yet published for this record.
Not published
AuthorityNot yet published for this record.
Not published
Freshnesscurrent
Published

Leadership

Evidence

Role	Person	Since	Status	Claim
Chief Medical Officer	Gabriel Brooks	Apr 2026	current	Source reportedE4
Chief Regulatory and Preclinical Operations Officer	Jessie Hanrahan	Apr 2026	current	Source reportedE5
President and Chief Executive Officer	Alexander Cumbo	Not captured	unknown	Source reportedE2
Chief Operating Officer and Secretary	David Tyronne Howton	Not captured	unknown	Source reportedE2
Chief Medical Officer	Gabriel Brooks, M.D.	Not captured	unknown	Source reportedE2
Chief Regulatory and Preclinical Operations Officer	Jessie Hanrahan, Ph.D.	Not captured	unknown	Source reportedE2
Chief Financial Officer and Treasurer	Kevin Tan	Not captured	unknown	Source reportedE2
Chief Technology Officer	Paul Herzich	Not captured	unknown	Source reportedE2

Board of directors

Evidence

4 directors published. Independence determinations are not published for every director.

Director	Status	Since	Committees	Claim
Adam Stone	Independence not published	2015	None published	Source reportedE3
Clare Kahn	Independence not published	2021	None published	Source reportedE3
Lynne Sullivan	Independence not published	2015	None published	Source reportedE3
Sukumar Nagendran	Independence not published	2018	None published	Source reportedE3
Alexander Cumbo	Not independent	Not published	Chief Executive Officer and Director	Source reportedE2
Clare Kahn, Ph.D.	Independent	Not published	None published	Source reportedE2
Georgia Keresty, Ph.D.	Independent	Not published	None published	Source reportedE2
Ian F. Smith	Independence not publishedChair	Not published	None published	Source reportedE2
Ilan Ganot	Independence not published	Not published	None published	Source reportedE2
Martin Freed, M.D.	Independent	Not published	None published	Source reportedE2
Sukumar Nagendran, M.D.	Independent	Not published	None published	Source reportedE2

Committees and risk ownership

Evidence

Committee	Chair	Members	Risks assigned
Chief Executive Officer and Director	Not published	Alexander Cumbo	Not described in the published record

Control and voting power

Evidence

No published claims

Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.

Authority to act

Evidence and agent registry

Who can act for the company, and on whose authority. This is what a counterparty's agent checks before it accepts an order, signs, or pays.

Principal executive officerAlexander Cumbo, President and Chief Executive Officer

Source reportedE2

company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:16

Who can authorize an agentNot assessedNo Alpha inference about signing authority or board-reserved matters is published for this record.

Not assessed

bind

AI agents registered by the companyNot registered in the public RegistryAgent Deployments, Agent Use Cases, Authority Grants, TrustChecks, Action Ledger entries and Governance Receipts live in the private enterprise overlay. They are never projected into the public Registry without explicit cross-plane authorization. Absence here is a plane boundary, not evidence that the enterprise operates no agents.

Agent registry

agents

Delegations publishedNot disclosedBoard and officer delegation resolutions are not public filings and are not published in this record.

Search scope

delegations

Financials and market context

Evidence

Security ListingSLDB (NASDAQ)

Source reportedE1

company:095f7012-5840-46be-ad45-065190cac18d:security_listing:24

Index membershipsNo current membership is published in Alpha's tracked index universe.This is not evidence that the company is absent from every market index.

None publishedAs of Oct 17, 2026. Rights-filtered public evidence only; no redistribution or model training is granted. Only source-backed memberships with an explicit public redistribution basis are returned.

Governance and policies

Evidence

No published claims

Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.

Risk, audit, and cyber

Evidence

No published claims

Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.

AI oversight and accountability

Evidence

No published claims

Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.

Legal and regulatory

Evidence

No published claims

Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.

Compensation

Evidence

No published claims

Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.

Other published claims

Evidence

Published Claims that belong to no section above. Each keeps its permalink, evidence, and assertion state.

Legal NameSolid Biosciences Inc.

Source reportedE1

company:095f7012-5840-46be-ad45-065190cac18d:legal_name:1

Entity StatusPublic listing published

Source reportedE1

company:095f7012-5840-46be-ad45-065190cac18d:entity_status:3

Published FactUS

Source reportedE1

company:095f7012-5840-46be-ad45-065190cac18d:published_fact:4

Not yet in this record

Coverage

A gap is a coverage state, not a negative finding. These sections are expected for this entity class and are not yet published.

Corporate structureNot reviewed. Parent, subsidiary and predecessor structure explains who is governed.
OwnershipNot reviewed. Ownership and voting power determine who can influence the board.
FinancialsNot reviewed. Governance-relevant financial context frames capital and audit decisions.
CompensationNot reviewed. Pay design shows how incentives are governed.
GovernanceNot reviewed. Governing documents and provisions set the rules of the enterprise.
Shareholder governanceNot reviewed. Meeting and vote records show shareholder dissent and support.
AuditNot reviewed. Auditor, controls and restatements show assurance over reporting.
LegalNot reviewed. Material legal and regulatory matters show enforcement exposure.
RiskNot reviewed. Risk ownership links the board, committees, executives and controls.
CyberNot reviewed. Cyber and data governance is a disclosed oversight domain.
AI governanceNot reviewed. AI oversight is a differentiated Alpha governance domain.
Markets externalNot reviewed. Auditors, advisors, investors and regulators form the external ecosystem.
Absence of a leadership role, committee, or disclosure is not evidence that it does not exist.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.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.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.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.This Company Profile is an identity and evidence record, not an Alpha rating.

Linked people

Same claims as person records

Gabriel BrooksChief Medical Officer
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:18
Jessie HanrahanChief Regulatory and Preclinical Operations Officer
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:20
Alexander CumboPresident and Chief Executive Officer; President, Chief Executive Officer and Director
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:16, company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:7
David Tyronne HowtonChief Operating Officer and Secretary
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:17
Gabriel Brooks, M.D.Chief Medical Officer
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:19
Jessie Hanrahan, Ph.D.Chief Regulatory and Preclinical Operations Officer
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:21
Kevin TanChief Financial Officer and Treasurer
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:22
Paul HerzichChief Technology Officer
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:23
Adam StoneDirector
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:6
Clare KahnDirector
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:8
Lynne SullivanDirector
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:12
Sukumar NagendranDirector
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:14
Clare Kahn, Ph.D.Director
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:9
Georgia Keresty, Ph.D.Director
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:10
Ian F. SmithExecutive Chairman of the Board of Directors
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:5
Ilan GanotCo-Founder and Director
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:11
Martin Freed, M.D.Director
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:13
Sukumar Nagendran, M.D.Director
company:095f7012-5840-46be-ad45-065190cac18d:leadership_role:15

Subject and corrections

Public-role doctrine

This record exists because the company is in the published Registry. The company can claim the record, correct, or dispute any Claim. Corrections are versioned and the original stays in history.

Basis: Published company record built from public sources
Sources: 5 evidence records cited. 0 with redistribution rights.
Never published: Private enterprise overlay data: deployments, authority grants, TrustChecks, receipts, telemetry
Record claimed: No
Open disputes: 0
Identity ownership: unclaimed

Claiming not yet available

If the company claims the record, its statements appear as their own assertion state and never overwrite the cited evidence.

Evidence

Authority and rights

E1
Alpha canonical company public projection
Alpha canonical company public projection. canonical identity. Retrieved Oct 17, 2026. Cited by 4 Claims.
Open web
Rights not recorded, link only
Evidence not pinned
E2
SEC DEF 14A 0001193125-26-173642
sec def 14a. Published Apr 23, 2026. Retrieved Sep 12, 2026. Cited by 13 Claims.
Authoritative, regulatory filing
Rights not recorded, link only
Evidence not pinned
E3
DEF 14A sldb-20260422.htm
sec proxy. Published Apr 23, 2026. Retrieved Sep 2, 2026. Cited by 4 Claims.
Authoritative, regulatory filing
Rights not recorded, link only
Evidence not pinned
E4
SLDB DEF 14A executive officers
sec filing. Published Apr 23, 2026. Retrieved May 5, 2026. Cited by 1 Claim.
Authoritative, regulatory filing
Rights not recorded, link only
Evidence not pinned
E5
SLDB DEF 14A executive officers
sec filing. Published Apr 23, 2026. Retrieved May 5, 2026. Cited by 1 Claim.
Authoritative, regulatory filing
Rights not recorded, link only
Evidence not pinned

What changed in version public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce

vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce published Oct 17, 2026

Gabriel Brooks executive of Solid Biosciences Inc., effective 2026-04-23.
Jessie Hanrahan executive of Solid Biosciences Inc., effective 2026-04-23.
Clare Kahn seat on Solid Biosciences Inc., effective 2021-01-01.
Sukumar Nagendran seat on Solid Biosciences Inc., effective 2018-01-01.
Adam Stone seat on Solid Biosciences Inc., effective 2015-01-01.
Lynne Sullivan seat on Solid Biosciences Inc., effective 2015-01-01.

Solid Biosciences Inc.

EXECUTIVE APPOINTED

Monitoring

Leadership

Board of directors

Committees and risk ownership

Control and voting power

No published claims

Authority to act

Financials and market context

Governance and policies

No published claims

Risk, audit, and cyber

No published claims

AI oversight and accountability

No published claims

Legal and regulatory

No published claims

Compensation

No published claims

Other published claims

Not yet in this record

Linked people

Subject and corrections

Evidence

What changed in version public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce

Navigate

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