---
title: "F-STAR THERAPEUTICS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/6d8380cd-ea5f-5d4e-88d4-42395cdf2d27
json: https://whiteintel.dev/api/public/dossier/6d8380cd-ea5f-5d4e-88d4-42395cdf2d27
identifier: oo:GB-COH-11532458
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# F-STAR THERAPEUTICS LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-11532458`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/6d8380cd-ea5f-5d4e-88d4-42395cdf2d27  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/6d8380cd-ea5f-5d4e-88d4-42395cdf2d27  

## Ownership & control

### Owners / controllers

- **INVOX PHARMA LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/3a0a3334-ca70-543b-8282-0a595ca60eb2
- **Mr Tolga Hassan** (beneficial owner) — 100% — https://whiteintel.dev/entity/3195602b-f34c-5b01-a5f4-2f74eee165b7
- **Mr Tolga Hassan** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/d2bfd313-9ce0-421c-9477-65acc7cf3399
- **F-Star Therapeutics Inc** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c733a58a-4791-442b-ac69-7daa2fc8027a
- **INVOX PHARMA LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/3a0a3334-ca70-543b-8282-0a595ca60eb2
- **John Edward Lash** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/cfd1e17e-1dee-4fb6-9bd4-8cbe323da30d

### UBO chain (walk to the ultimate owner)

1. **INVOX PHARMA LIMITED** — beneficial owner 100% → *F-STAR THERAPEUTICS LIMITED*
1. **Mr Tolga Hassan** — beneficial owner 100% → *F-STAR THERAPEUTICS LIMITED*
1. **Mr Tolga Hassan** — beneficial owner 87.5% → *F-STAR THERAPEUTICS LIMITED*
1. **F-Star Therapeutics Inc** — beneficial owner 87.5% → *F-STAR THERAPEUTICS LIMITED*
1. **INVOX PHARMA LIMITED** — beneficial owner 87.5% → *F-STAR THERAPEUTICS LIMITED*
1. **John Edward Lash** — beneficial owner 87.5% → *F-STAR THERAPEUTICS LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `11532458`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2018-08-22
- **Registered office:** Botanic House, 100 Hills Road, Cambridge, Cambridgeshire, CB2 1PH, United Kingdom
- **SIC:** 72110

### Officers

- BREWIS, Neil Douglas, Dr — director · British · appointed 2023-03-08
- LASH, John Edward — director · American · appointed 2025-04-02
- FITZPATRICK, John Paul — secretary · appointed 2020-04-29 · resigned 2021-05-13
- HASSAN, Tolga — secretary · appointed 2019-05-07 · resigned 2020-04-30
- [TAYLOR WESSING SECRETARIES LIMITED](https://whiteintel.dev/entity/a8144395-6c32-5684-8b8f-cb960e86ce0d) — corporate secretary · appointed 2019-05-07 · resigned 2019-11-27
- BENZ JR, Edward John — director · American · appointed 2019-12-18 · resigned 2020-11-20
- BERMINGHAM, Nessan Anthony — director · Irish · appointed 2019-05-07 · resigned 2020-11-20
- BREWIS, Neil Douglas, Dr — director · British · appointed 2021-11-26 · resigned 2023-03-08
- EDWARDS, John Blodgett — director · American · appointed 2019-05-07 · resigned 2019-12-18
- FIEHLER, Ryan William — director · British,American · appointed 2025-04-02 · resigned 2025-12-01
- FITZPATRICK, John Paul — director · Italian · appointed 2020-11-20 · resigned 2021-04-01
- FORMELA, Jean-Francois, Dr — director · French · appointed 2019-05-07 · resigned 2020-11-20
- FORSTER, Eliot Richard — director · British · appointed 2019-05-07 · resigned 2023-03-08
- HARLAND, Deborah, Dr — director · British · appointed 2019-05-07 · resigned 2020-11-20
- HASSAN, Tolga — director · British · appointed 2018-08-22 · resigned 2019-12-18
- KROL, Patrick Johan Hendrik — director · Dutch · appointed 2019-05-07 · resigned 2020-11-20
- RACE, Geoffrey Robin — director · British · appointed 2019-12-18 · resigned 2020-11-20
- RUKER, Florian, Dr — director · Austrian · appointed 2019-05-07 · resigned 2019-12-18
- SCHUEHSLER, Helmut — director · Austrian · appointed 2019-05-07 · resigned 2020-11-20

### Beneficial owners (Persons with Significant Control)

- John Edward Lash — 75–100% shares · individual PSC · United Kingdom — since 2025-04-02
- [Invox Pharma Limited](https://whiteintel.dev/entity/3a0a3334-ca70-543b-8282-0a595ca60eb2) — 75–100% shares · corporate PSC · United Kingdom — ceased 2025-04-02
- [F-Star Therapeutics Inc](https://whiteintel.dev/entity/c733a58a-4791-442b-ac69-7daa2fc8027a) — 75–100% shares · corporate PSC · United Kingdom — ceased 2023-03-08
- Mr Tolga Hassan — 75–100% shares · individual PSC · United Kingdom — ceased 2019-05-07

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/11532458
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11532458

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **F-STAR THERAPEUTICS LIMITED**. Human view: https://whiteintel.dev/entity/6d8380cd-ea5f-5d4e-88d4-42395cdf2d27 · Structured JSON: https://whiteintel.dev/api/public/dossier/6d8380cd-ea5f-5d4e-88d4-42395cdf2d27._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._