Published mark
System1, Inc.
NYSE: SST. Canonical company identity and public leadership record.
US
Record source reportedRecord not claimedNo Eval published
- Alpha ID
- alpha:company:075605cd-a69f-4cd4-8d3e-f0bf27ee734a
- SEC CIK
- 0001805833
- Record version
- vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce, published Oct 7, 2026
- Newest evidence
- Jun 22, 2026
- Monitoring
- Not yet monitored Details
- Integrity
- Not yet signed Methodology
- CEO
- Michael BlendSince May 19, 2025
- Chair
- Not published
- Independent
- Not published8 directors published
- Published claims
- 293 distinct sources
- Evidence records
- 90 pinned
- Source conflicts
- 0None open
Built from 3 distinct sources and 9 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
DIRECTOR APPOINTED
Catherine Horn seat on System1, Inc., effective 2026-06-22.
EffectiveEffective Jun 22, 2026E2
Monitoring
ContinuousWhat the published record states about identity, evidence, evaluation, monitoring, authority, and freshness. Watched-source schedules are not published for this record.
- IdentityunclaimedPublished
- Evidencesource_reportedPublished
- Evaluationnot_evaluatedPublished
- MonitoringNot yet published for this record.Not published
- AuthorityNot yet published for this record.Not published
- FreshnesscurrentPublished
Leadership
Evidence| Role | Person | Since | Status | Claim |
|---|---|---|---|---|
| Chief Ad Operations Officer | Brian Coppola | May 2025 | current | Source reportedE3 |
| President and Chief Operating Officer | Charles Ursini | May 2025 | current | Source reportedE4 |
| General Counsel and Corporate Secretary | Daniel Weinrot | May 2025 | current | Source reportedE5 |
| Chief People Officer | Elizabeth Sestanovich | May 2025 | current | Source reportedE6 |
| Chief Executive Officer and Chairman | Michael Blend | May 2025 | current | Source reportedE7 |
| Chief Financial Officer | Tridivesh Kidambi | May 2025 | current | Source reportedE8 |
Board of directors
Evidence8 directors published. Independence determinations are not published for every director.
| Director | Status | Since | Committees | Claim |
|---|---|---|---|---|
| Caroline Horn | Independence not published | 2022 | None published | Source reportedE2 |
| Catherine Horn | Independence not published | 2026 | nominating and corporate governance committee, chair | Source reportedE2 |
| Charles Ursini | Independence not published | 2024 | None published | Source reportedE2 |
| John Civantos | Independence not published | 2022 | nominating and corporate governance committee | Source reportedE2 |
| Michael Blend | Independence not published | 2013 | None published | Source reportedE2 |
| Moujan Kazerani | Independence not published | 2022 | AUDIT COMMITTEEcompensation committee, chair | Source reportedE2 |
| Tanmay Kumar | Independence not published | 2023 | AUDIT COMMITTEE, chair | Source reportedE2 |
| Taryn Naidu | Independence not published | 2023 | AUDIT COMMITTEEcompensation committee | Source reportedE2 |
Committees and risk ownership
Evidence| Committee | Chair | Members | Risks assigned |
|---|---|---|---|
| AUDIT COMMITTEE | Tanmay Kumar | Tanmay Kumar, Moujan Kazerani, Taryn Naidu, Tanmay Kumar, Moujan Kazerani, Taryn Naidu | Not described in the published record |
| compensation committee | Moujan Kazerani | Moujan Kazerani, Taryn Naidu, Moujan Kazerani, Taryn Naidu | Not described in the published record |
| nominating and corporate governance committee | Catherine Horn | Catherine Horn, John Civantos, Catherine Horn, John Civantos | Not described in the published record |
Committee RecordAUDIT COMMITTEE: Chair Tanmay Kumar; Members Tanmay Kumar (Chair); Moujan Kazerani; Taryn Naidu
Committee AppointmentTanmay Kumar: chair, AUDIT COMMITTEE
Committee AppointmentMoujan Kazerani: member, AUDIT COMMITTEE
Committee AppointmentTaryn Naidu: member, AUDIT COMMITTEE
Committee Recordcompensation committee: Chair Moujan Kazerani; Members Moujan Kazerani (Chair); Taryn Naidu
Committee AppointmentMoujan Kazerani: chair, compensation committee
Committee AppointmentTaryn Naidu: member, compensation committee
Committee Recordnominating and corporate governance committee: Chair Catherine Horn; Members Catherine Horn (Chair); John Civantos
Committee AppointmentCatherine Horn: chair, nominating and corporate governance committee
Committee AppointmentJohn Civantos: member, nominating and corporate governance committee
Control and voting power
EvidenceNo 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 registryWho 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 officerMichael Blend, Chief Executive Officer and Chairman, from May 19, 2025
Who can authorize an agentNot assessedNo Alpha inference about signing authority or board-reserved matters is published for this record.
Not assessed
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
Delegations publishedNot disclosedBoard and officer delegation resolutions are not public filings and are not published in this record.
Search scope
Financials and market context
EvidenceSecurity ListingSST (NYSE)
Security ListingSSTPW (OTC)
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 7, 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
EvidenceNo published claims
Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.
Risk, audit, and cyber
EvidenceNo published claims
Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.
AI oversight and accountability
EvidenceNo published claims
Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.
Legal and regulatory
EvidenceNo published claims
Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.
Compensation
EvidenceNo published claims
Nothing is published for this section yet. A missing Claim is a coverage state, not a negative finding.
Other published claims
EvidencePublished Claims that belong to no section above. Each keeps its permalink, evidence, and assertion state.
Legal NameSystem1, Inc.
Entity StatusPublic listing published
Published FactUS
Not yet in this record
CoverageA 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- Brian CoppolaChief Ad Operations Officercompany:075605cd-a69f-4cd4-8d3e-f0bf27ee734a:leadership_role:13
- Charles UrsiniPresident and Chief Operating Officer; Directorcompany:075605cd-a69f-4cd4-8d3e-f0bf27ee734a:leadership_role:14, company:075605cd-a69f-4cd4-8d3e-f0bf27ee734a:leadership_role:7
- Daniel WeinrotGeneral Counsel and Corporate Secretarycompany:075605cd-a69f-4cd4-8d3e-f0bf27ee734a:leadership_role:15
- Elizabeth SestanovichChief People Officercompany:075605cd-a69f-4cd4-8d3e-f0bf27ee734a:leadership_role:16
- Michael BlendChief Executive Officer and Chairman; Directorcompany:075605cd-a69f-4cd4-8d3e-f0bf27ee734a:leadership_role:17, company:075605cd-a69f-4cd4-8d3e-f0bf27ee734a:leadership_role:9
- Tridivesh KidambiChief Financial Officercompany:075605cd-a69f-4cd4-8d3e-f0bf27ee734a:leadership_role:18
- Caroline HornDirectorcompany:075605cd-a69f-4cd4-8d3e-f0bf27ee734a:leadership_role:5
- Catherine HornDirectorcompany:075605cd-a69f-4cd4-8d3e-f0bf27ee734a:leadership_role:6
- John CivantosDirectorcompany:075605cd-a69f-4cd4-8d3e-f0bf27ee734a:leadership_role:8
- Moujan KazeraniDirectorcompany:075605cd-a69f-4cd4-8d3e-f0bf27ee734a:leadership_role:10
- Tanmay KumarDirectorcompany:075605cd-a69f-4cd4-8d3e-f0bf27ee734a:leadership_role:11
- Taryn NaiduDirectorcompany:075605cd-a69f-4cd4-8d3e-f0bf27ee734a:leadership_role:12
Subject and corrections
Public-role doctrineThis 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
- 9 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- E1Alpha canonical company public projection. canonical identity. Retrieved Oct 7, 2026. Cited by 5 Claims.
- E2sec proxy. Published Jun 22, 2026. Retrieved Sep 2, 2026. Cited by 8 Claims.
- E3sec filing. Published May 19, 2025. Retrieved May 16, 2026. Cited by 1 Claim.
- E4sec filing. Published May 19, 2025. Retrieved May 16, 2026. Cited by 1 Claim.
- E5sec filing. Published May 19, 2025. Retrieved May 16, 2026. Cited by 1 Claim.
- E6sec filing. Published May 19, 2025. Retrieved May 16, 2026. Cited by 1 Claim.
- E7sec filing. Published May 19, 2025. Retrieved May 16, 2026. Cited by 1 Claim.
- E8sec filing. Published May 19, 2025. Retrieved May 16, 2026. Cited by 1 Claim.
- E9governance_people_committees. sec proxy. Cited by 10 Claims.
What changed in version public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce
vpublic-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce published Oct 7, 2026- Catherine Horn seat on System1, Inc., effective 2026-06-22.
- Brian Coppola executive of System1, Inc., effective 2025-05-19.
- Charles Ursini executive of System1, Inc., effective 2025-05-19.
- Daniel Weinrot executive of System1, Inc., effective 2025-05-19.
- Elizabeth Sestanovich executive of System1, Inc., effective 2025-05-19.
- Michael Blend executive of System1, Inc., effective 2025-05-19.
- Tridivesh Kidambi executive of System1, Inc., effective 2025-05-19.
- Charles Ursini seat on System1, Inc., effective 2024-01-01.
- Tanmay Kumar seat on System1, Inc., effective 2023-01-01.
- Taryn Naidu seat on System1, Inc., effective 2023-01-01.
- Caroline Horn seat on System1, Inc., effective 2022-01-01.
- John Civantos seat on System1, Inc., effective 2022-01-01.
- Moujan Kazerani seat on System1, Inc., effective 2022-01-01.
- Michael Blend seat on System1, Inc., effective 2013-01-01.