# Silence Therapeutics plc

> 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 Unknown, unavailable, and unpublished values are never inferred as zero.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:ec81574c-25e5-498f-9fba-521ffcb14953 |
| Entity type | Company |
| Canonical URL | https://registry.alpha.ac/companies/silence-therapeutics-plc |
| Publication | PUBLISHED |
| Verification | source_reported |
| Verification schema | alpha-verification-states-v1 |
| Ownership | unclaimed |
| Published claims | 14 |
| Claims under review | 1 |
| Evidence records | 5 |
| Conflicts | 0 |
| Conflicts in internal review | 0 |
| Observed | 2026-10-13T04:47:53.517281+00:00 |
| Last reviewed | 2026-10-13T04:47:53.517281+00:00 |

## Identity

- Legal name: Silence Therapeutics plc
- Display name: Silence Therapeutics plc

## 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 | 2026-10-14T01:45:41.241177+00:00 |
| Completeness | 0.364 |
| Record Quality | 0.835 |
| Directors | 6 |
| Committees | 0 |
| Governance events | 8 |
| Entity class | public_company |

## Section coverage

| Section | State |
| --- | --- |
| identity | PUBLISHED |
| corporate_structure | NOT_REVIEWED |
| board | PUBLISHED |
| committees | NOT_REVIEWED |
| 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

- Craig Tooman: Director. Status: current. Independent: false. Since: 2021-01-01. claim_id=alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:5
- Dave Lemus: Director. Status: current. Independent: true. Since: 2018-01-01. claim_id=alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:6
- Iain Ross: Director. Status: current. Independent: true. Since: 2004-01-01. claim_id=alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:7
- Michael H. Davidson: Director. Status: current. Independent: true. Since: 2021-01-01. claim_id=alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:9
- Tim McInerney: Director. Status: current. Independent: true. Since: 2025-01-01. claim_id=alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:10
- James Ede-Golightly: Director. Status: unknown. Independent: true. Since: NOT_PUBLISHED. claim_id=alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:8

## Executive leadership

- Iain Ross: Interim Principal Executive Officer and Chairman. Status: current. claim_id=alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:11
- Rhonda Hellums: Executive Vice President, Chief Financial Officer [CFO]. Status: current. claim_id=alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:12
- Steven Romano, M.D.: Executive Vice President, Chief Research and Development Officer. Status: current. claim_id=alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:13

## Governance events

- EXECUTIVE_APPOINTED: Iain Ross executive of Silence Therapeutics plc, effective 2026-04-29. Effective: 2026-04-29. Detected: 2026-10-13T04:47:53.517281+00:00. event_id=alpha:event:transition:1btvbuv1d7o0rj
- CFO_CHANGED: Rhonda Hellums executive of Silence Therapeutics plc, effective 2026-04-29. Effective: 2026-04-29. Detected: 2026-10-13T04:47:53.517281+00:00. event_id=alpha:event:transition:g32r8hvhz97n
- EXECUTIVE_APPOINTED: Steven Romano, M.D. executive of Silence Therapeutics plc, effective 2026-04-29. Effective: 2026-04-29. Detected: 2026-10-13T04:47:53.517281+00:00. event_id=alpha:event:transition:1uowf7x1nr1w7x
- DIRECTOR_APPOINTED: Tim McInerney seat on Silence Therapeutics plc, effective 2025-01-01. Effective: 2025-01-01. Detected: 2026-10-13T04:47:53.517281+00:00. event_id=alpha:event:transition:614vmp1ue7zwx
- DIRECTOR_APPOINTED: Craig Tooman seat on Silence Therapeutics plc, effective 2021-01-01. Effective: 2021-01-01. Detected: 2026-10-13T04:47:53.517281+00:00. event_id=alpha:event:transition:8sqn276m1cel
- DIRECTOR_APPOINTED: Michael H. Davidson seat on Silence Therapeutics plc, effective 2021-01-01. Effective: 2021-01-01. Detected: 2026-10-13T04:47:53.517281+00:00. event_id=alpha:event:transition:ok1lvr1fop9q9
- DIRECTOR_APPOINTED: Dave Lemus seat on Silence Therapeutics plc, effective 2018-01-01. Effective: 2018-01-01. Detected: 2026-10-13T04:47:53.517281+00:00. event_id=alpha:event:transition:1nauraa9wrrdw
- DIRECTOR_APPOINTED: Iain Ross seat on Silence Therapeutics plc, effective 2004-01-01. Effective: 2004-01-01. Detected: 2026-10-13T04:47:53.517281+00:00. event_id=alpha:event:transition:b2jtvq1cyu6r4

## Scoped resources

- `alpha://company/silence-therapeutics-plc` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record
- `alpha://company/silence-therapeutics-plc/identity` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=identity
- `alpha://company/silence-therapeutics-plc/corporate-structure` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=corporate-structure
- `alpha://company/silence-therapeutics-plc/board` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=board
- `alpha://company/silence-therapeutics-plc/committees` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=committees
- `alpha://company/silence-therapeutics-plc/leadership` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=leadership
- `alpha://company/silence-therapeutics-plc/ownership` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=ownership
- `alpha://company/silence-therapeutics-plc/financials` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=financials
- `alpha://company/silence-therapeutics-plc/capital-structure` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=capital-structure
- `alpha://company/silence-therapeutics-plc/compensation` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=compensation
- `alpha://company/silence-therapeutics-plc/governance` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=governance
- `alpha://company/silence-therapeutics-plc/shareholder-governance` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=shareholder-governance
- `alpha://company/silence-therapeutics-plc/audit` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=audit
- `alpha://company/silence-therapeutics-plc/legal` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=legal
- `alpha://company/silence-therapeutics-plc/risk` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=risk
- `alpha://company/silence-therapeutics-plc/cyber` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=cyber
- `alpha://company/silence-therapeutics-plc/ai-governance` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=ai-governance
- `alpha://company/silence-therapeutics-plc/agents` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=agents
- `alpha://company/silence-therapeutics-plc/ecosystem` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=ecosystem
- `alpha://company/silence-therapeutics-plc/events` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=events
- `alpha://company/silence-therapeutics-plc/relationships` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=relationships
- `alpha://company/silence-therapeutics-plc/assessments` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=assessments
- `alpha://company/silence-therapeutics-plc/evidence` (contract): https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record&section=evidence

## Role modules

- NOT_ASSERTED

## Attention

- NO_RECORDS_FOUND

## Committee data

- NO_RECORDS_FOUND

## Leadership

- Craig Tooman: Director. Claim: alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:5. Valid from: 2021-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:81cf8125cd9dfcf70db9e5001e418cb16711a2da2c08582e910b980359fc1b54.
- Dave Lemus: Director. Claim: alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:6. Valid from: 2018-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:81cf8125cd9dfcf70db9e5001e418cb16711a2da2c08582e910b980359fc1b54.
- Iain Ross: Director. Claim: alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:7. Valid from: 2004-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:81cf8125cd9dfcf70db9e5001e418cb16711a2da2c08582e910b980359fc1b54.
- James Ede-Golightly: Director. Claim: alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:8. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:81cf8125cd9dfcf70db9e5001e418cb16711a2da2c08582e910b980359fc1b54.
- Michael H. Davidson: Director. Claim: alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:9. Valid from: 2021-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:81cf8125cd9dfcf70db9e5001e418cb16711a2da2c08582e910b980359fc1b54.
- Tim McInerney: Director. Claim: alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:10. Valid from: 2025-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:81cf8125cd9dfcf70db9e5001e418cb16711a2da2c08582e910b980359fc1b54.
- Iain Ross: Interim Principal Executive Officer and Chairman. Claim: alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:11. Valid from: 2026-04-29. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:2ed761ebd2967c1626e0cfae2f3fd72dc6f020439a29c0e5c87dddcfcc6baa0c.
- Rhonda Hellums: Executive Vice President, Chief Financial Officer. Claim: alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:12. Valid from: 2026-04-29. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:794cac651b425887915e81b49b9934a836b580b283afe90209cc8913617e1bae.
- Steven Romano, M.D.: Executive Vice President, Chief Research and Development Officer. Claim: alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:leadership_role:13. Valid from: 2026-04-29. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:bcceb07253c26a05c38cc4b2aa44aa2b60b0b6f7def5f2304b49f4887653f7d8.

## Roles

- PUBLISHED

## Governance

- NOT_ASSERTED

## Board committees

- PUBLISHED

## Financials

- NOT_ASSERTED

## Workforce

- NOT_ASSERTED

## Market and index context

- PUBLISHED

## Legal Name

- Silence Therapeutics plc. Claim: alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:legal_name:1. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:96d377e8035f7f780afdef278fdd689f1ae0e3462c79115bab25e50ae614e7cd.

## Entity Status

- Public listing published. Claim: alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:entity_status:3. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:96d377e8035f7f780afdef278fdd689f1ae0e3462c79115bab25e50ae614e7cd.

## Published Fact

- US. Claim: alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:published_fact:4. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:96d377e8035f7f780afdef278fdd689f1ae0e3462c79115bab25e50ae614e7cd.

## Security Listing

- SLN (NASDAQ). Claim: alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:security_listing:14. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:96d377e8035f7f780afdef278fdd689f1ae0e3462c79115bab25e50ae614e7cd.
- SLNCF (OTC). Claim: alpha:claim:company:ec81574c-25e5-498f-9fba-521ffcb14953:security_listing:15. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:96d377e8035f7f780afdef278fdd689f1ae0e3462c79115bab25e50ae614e7cd.

## 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:96d377e8035f7f780afdef278fdd689f1ae0e3462c79115bab25e50ae614e7cd: [Alpha canonical company public projection](https://www.alpha.ac/api/public/companies/silence-therapeutics-plc).
- alpha:projection-evidence:document:81cf8125cd9dfcf70db9e5001e418cb16711a2da2c08582e910b980359fc1b54: [Silence Therapeutics plc DEF 14A 2025-05-16](https://www.sec.gov/Archives/edgar/data/1479615/000119312525121232/d787212ddef14a.htm).
- alpha:projection-evidence:document:2ed761ebd2967c1626e0cfae2f3fd72dc6f020439a29c0e5c87dddcfcc6baa0c: [SLNCF DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1479615/000119312526191786/d94093ddef14a.htm).
- alpha:projection-evidence:document:794cac651b425887915e81b49b9934a836b580b283afe90209cc8913617e1bae: [SLNCF DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1479615/000119312526191786/d94093ddef14a.htm).
- alpha:projection-evidence:document:bcceb07253c26a05c38cc4b2aa44aa2b60b0b6f7def5f2304b49f4887653f7d8: [SLNCF DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/1479615/000119312526191786/d94093ddef14a.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/silence-therapeutics-plc)
- [Public Markdown](https://registry.alpha.ac/companies/silence-therapeutics-plc.md)
- [Public JSON](https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=record)
- [JSON-LD](https://registry.alpha.ac/api/public/companies/silence-therapeutics-plc?format=jsonld)
- MCP resource: `alpha://companies/silence-therapeutics-plc` 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 2026-10-14T01:45:40.947721+00:00; recorded 2026-10-14T01:45:40.947721+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.