
PROTHENA CORP PUBLIC LTD CO — Investor Relations & Filings
Prothena Corporation is a late-stage clinical biotechnology company specializing in the science of protein dysregulation. The company leverages its expertise in the biology of misfolded proteins to discover and develop novel therapeutics. Its primary focus is on advancing a diverse pipeline of investigational treatments for neurodegenerative conditions and rare peripheral amyloid diseases. Prothena's scientific approach integrates insights into neurological dysfunction and the mechanisms of protein misfolding to create antibody-based therapies designed to provide clinically meaningful benefits for patients.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 8-K | 2026-05-15 | English | |
| DEF 14A - PROTHENA CORP PUBLIC LTD CO (0001559053) (Filer) | 2026-03-27 | English | |
| 8-K - PROTHENA CORP PUBLIC LTD CO (0001559053) (Filer) | 2026-02-27 | English | |
| 10-K - PROTHENA CORP PUBLIC LTD CO (0001559053) (Filer) | 2026-02-27 | English | |
| 8-K - PROTHENA CORP PUBLIC LTD CO (0001559053) (Filer) | 2026-02-19 | English | |
| 8-K | 2025-12-12 | English |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
5 filings
| |||||
| 46362587 | 8-K | 2026-05-15 | English | ||
| 33065546 | DEF 14A - PROTHENA CORP PUBLIC LTD CO (0001559053) (Filer) | 2026-03-27 | English | ||
| 32893883 | 8-K - PROTHENA CORP PUBLIC LTD CO (0001559053) (Filer) | 2026-02-27 | English | ||
| 32893885 | 10-K - PROTHENA CORP PUBLIC LTD CO (0001559053) (Filer) | 2026-02-27 | English | ||
| 32893884 | 8-K - PROTHENA CORP PUBLIC LTD CO (0001559053) (Filer) | 2026-02-19 | English | ||
|
2025
10 filings
| |||||
| 12590207 | 8-K | 2025-12-12 | English | ||
| 12590208 | 8-K | 2025-11-19 | English | ||
| 12590209 | Major Shareholding Notification 2025 | 2025-11-14 | English | ||
| 12590210 | Major Shareholding Notification 2025 | 2025-11-12 | English | ||
| 12590211 | Major Shareholding Notification 2025 | 2025-11-12 | English | ||
| 12590212 | 10-Q | 2025-11-06 | English | ||
| 12590213 | DEFA14A | 2025-11-06 | English | ||
| 12590214 | 8-K | 2025-11-06 | English | ||
| 12590215 | Major Shareholding Notification 2025 | 2025-10-17 | English | ||
| 12590216 | DEFA14A | 2025-10-07 | English | ||
Market data
Market data not available
Price history
Peer group · Research and experimental development on natural sciences and engineering
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
Biovica International B
Develops blood-based biomarker assays for cancer therapy mo…
|
BIOVIC | SE | Professional, scientific and te… |
|
Boji Medical Technology Co., Ltd.
A CRO providing full-service pharmaceutical and medical dev…
|
300404 | CN | Professional, scientific and te… |
|
Bonus BioGroup Ltd.
A clinical-stage biotech firm developing cell therapy and t…
|
BONS | IL | Professional, scientific and te… |
|
BPH GLOBAL LTD
Biotech firm focused on plant-based health products and fun…
|
BP8 | AU | Professional, scientific and te… |
|
BRAIN Biotech AG
Develops enzymes and microorganisms for the food, chemical,…
|
BNN | DE | Professional, scientific and te… |
|
BriaCell Therapeutics Corp.
Clinical-stage immuno-oncology company developing cellular …
|
BCTX | CA | Professional, scientific and te… |
|
Bright Minds Biosciences Inc.
Developing innovative serotonin-based drugs for neurologica…
|
DRUG | CA | Professional, scientific and te… |
|
BRIM
Develops therapies for ophthalmology and degenerative disea…
|
6885 | TW | Professional, scientific and te… |
|
BSF ENTERPRISE PLC
Develops cell-based solutions for cultivated meat, leather,…
|
BSFA | GB | Professional, scientific and te… |
|
BullFrog AI Holdings, Inc.
A technology company applying AI and machine learning to dr…
|
BFRG | US | Professional, scientific and te… |
PROTHENA CORP PUBLIC LTD CO via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/32782/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=32782 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=32782 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=32782 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 32782}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for PROTHENA CORP PUBLIC LTD CO (id: 32782)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.