Alpha RegistryClaim a profile
Published mark

MARINEMAX INC

NYSE: HZO. Canonical company identity and public leadership record.

US

Record source reportedRecord not claimedNo Eval published
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Alpha ID
alpha:company:f55570cc-ca52-400c-a82f-3543976c8db2
SEC CIK
0001057060
Record version
vpublic-1:ro-d751713988987e9331980363e24189ce, published Oct 27, 2026
Newest evidence
Jan 21, 2026
Monitoring
Not yet monitored Details
Integrity
Not yet signed Methodology
CEO
William Brett McGillSince Nov 17, 2025
Chair
Rebecca White
Independent
Not published6 directors published
Published claims
203 distinct sources
Evidence records
60 pinned
Source conflicts
0None open

Built from 3 distinct sources and 6 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

Anthony E. Cassella, Jr. executive of MARINEMAX INC, effective 2025-11-17.

EffectiveEffective Nov 17, 2025E4

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
RolePersonSinceStatusClaim
Executive Vice President Finance and Chief Accounting OfficerAnthony E. Cassella, Jr.Nov 2025currentSource reportedE4
General CounselManuel A. AlvareNov 2025currentSource reportedE5
Chief Executive Officer, President and DirectorWilliam Brett McGillNov 2025currentSource reportedE6
Executive Vice President and Chief Revenue OfficerCharles A. CashmanNot capturedunknownSource reportedE2
Executive Vice President and President of Retail OperationsKyle G. LangbehnNot capturedunknownSource reportedE2
Executive Vice President, Chief Financial Officer, and SecretaryMichael H. McLambNot capturedunknownSource reportedE2
Executive Vice President and Chief Digital OfficerShawn BergNot capturedunknownSource reportedE2
Chief Executive Officer and PresidentW. Brett McGillNot capturedunknownSource reportedE2

Board of directors

Evidence

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

DirectorStatusSinceCommitteesClaim
Bonnie BiumiIndependence not published2024None publishedSource reportedE3
Daniel SchiappaIndependence not published2025None publishedSource reportedE3
George E. BorstIndependence not published2016None publishedSource reportedE3
Mercedes RomeroIndependence not published2022None publishedSource reportedE3
Odilon AlmeidaIndependence not published2025None publishedSource reportedE3
William Brett McGillIndependence not published2019None publishedSource reportedE3
Rebecca WhiteIndependentChairNot publishedNone publishedSource reportedE2
W. Brett McGillNot independentNot publishedPresident and DirectorSource reportedE2

Committees and risk ownership

Evidence
CommitteeChairMembersRisks assigned
President and DirectorNot publishedW. Brett McGillNot 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 officerWilliam Brett McGill, Chief Executive Officer, President and Director, from Nov 17, 2025
Source reportedE6
company:f55570cc-ca52-400c-a82f-3543976c8db2:leadership_role:20
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 ListingHZO (NYSE)
Source reportedE1
company:f55570cc-ca52-400c-a82f-3543976c8db2:security_listing:21
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 27, 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.

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 NameMARINEMAX INC
Source reportedE1
company:f55570cc-ca52-400c-a82f-3543976c8db2:legal_name:1
Entity StatusPublic listing published
Source reportedE1
company:f55570cc-ca52-400c-a82f-3543976c8db2:entity_status:3

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.

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
6 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
  1. E1
    Alpha canonical company public projection
    Alpha canonical company public projection. canonical identity. Retrieved Oct 27, 2026. Cited by 4 Claims.
    Open web
    Rights not recorded, link only
    Evidence not pinned
  2. E2
    SEC DEF 14A 0001193125-26-017915
    sec def 14a. Published Jan 21, 2026. Retrieved Sep 6, 2026. Cited by 7 Claims.
    Authoritative, regulatory filing
    Rights not recorded, link only
    Evidence not pinned
  3. E3
    DEF 14A hzo-20260121.htm
    sec proxy. Published Jan 21, 2026. Retrieved Sep 2, 2026. Cited by 6 Claims.
    Authoritative, regulatory filing
    Rights not recorded, link only
    Evidence not pinned
  4. E4
    HZO 10-K executive officers
    sec filing. Published Nov 17, 2025. Retrieved May 15, 2026. Cited by 1 Claim.
    Authoritative, regulatory filing
    Rights not recorded, link only
    Evidence not pinned
  5. E5
    HZO 10-K executive officers
    sec filing. Published Nov 17, 2025. Retrieved May 15, 2026. Cited by 1 Claim.
    Authoritative, regulatory filing
    Rights not recorded, link only
    Evidence not pinned
  6. E6
    HZO 10-K executive officers
    sec filing. Published Nov 17, 2025. Retrieved May 15, 2026. Cited by 1 Claim.
    Authoritative, regulatory filing
    Rights not recorded, link only
    Evidence not pinned

What changed in version public-1:ro-d751713988987e9331980363e24189ce

vpublic-1:ro-d751713988987e9331980363e24189ce published Oct 27, 2026
  • Anthony E. Cassella, Jr. executive of MARINEMAX INC, effective 2025-11-17.
  • Manuel A. Alvare executive of MARINEMAX INC, effective 2025-11-17.
  • William Brett McGill executive of MARINEMAX INC, effective 2025-11-17.
  • Daniel Schiappa seat on MARINEMAX INC, effective 2025-01-01.
  • Odilon Almeida seat on MARINEMAX INC, effective 2025-01-01.
  • Bonnie Biumi seat on MARINEMAX INC, effective 2024-01-01.
  • Mercedes Romero seat on MARINEMAX INC, effective 2022-01-01.
  • William Brett McGill seat on MARINEMAX INC, effective 2019-01-01.
  • George E. Borst seat on MARINEMAX INC, effective 2016-01-01.
Appearance

Alpha Governance PBC. The Registry records reported facts and Alpha's assessments separately. A missing fact is not evidence that it is false.

Record alpha:company:f55570cc-ca52-400c-a82f-3543976c8db2, version public-1:ro-d751713988987e9331980363e24189ce. https://registry.alpha.ac/companies/marinemax-inc

Navigate

On this record

  1. Overview
  2. Monitoring4
  3. Leadership8
  4. Board8
  5. Committees1
  6. Control and voting0
  7. Authority to act4
  8. Financials1
  9. Governance0
  10. Risk0
  11. AI oversight0
  12. Legal0
  13. Compensation0
  14. Other published claims3
  15. Coverage gaps17
  16. Linked people14
  17. Subject and corrections6
  18. Evidence6
  19. Version historyvpublic-1:ro-d751713988987e9331980363e24189ce

Linked records

Registry

Appearance

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  • Actions
    Switch to agent viewJSON, Markdown, MCP
  • Copy Alpha IDalpha:company:f55570cc-ca52-400c-a82f-3543976c8db2
  • Cite this recordMARINEMAX INC
  • Copy canonical URLregistry.alpha.ac/companies/marinemax-inc
  • Copy as MarkdownWith assertion states
  • Report an error
  • Theme: System
  • Theme: Light
  • Theme: Dark
  • Records
    MARINEMAX INCCompany
  • Anthony E. Cassella, Jr.Person
  • Manuel A. AlvarePerson
  • William Brett McGillPerson
  • Charles A. CashmanPerson
  • Kyle G. LangbehnPerson
  • Michael H. McLambPerson
  • Shawn BergPerson
  • W. Brett McGillPerson
  • Bonnie BiumiPerson
  • Daniel SchiappaPerson
  • George E. BorstPerson
  • Mercedes RomeroPerson
  • Odilon AlmeidaPerson
  • Rebecca WhitePerson
  • Sections
    OverviewMARINEMAX INC
  • MonitoringMARINEMAX INC
  • LeadershipMARINEMAX INC
  • BoardMARINEMAX INC
  • CommitteesMARINEMAX INC
  • Control and votingMARINEMAX INC
  • Authority to actMARINEMAX INC
  • FinancialsMARINEMAX INC
  • GovernanceMARINEMAX INC
  • RiskMARINEMAX INC
  • AI oversightMARINEMAX INC
  • LegalMARINEMAX INC
  • CompensationMARINEMAX INC
  • Other published claimsMARINEMAX INC
  • Coverage gapsMARINEMAX INC
  • Linked peopleMARINEMAX INC
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Report an error

Reports attach to the Claim and go to an Alpha analyst through the correction form. Corrections are versioned, and the original stays in history.