PROTHENA CORP PUBLIC LTD CO — Investor Relations & Filings
Filings indexed
958
across all filing types
Latest filing
2026-05-15
Regulatory Filings
Country
US
United States of America
Listing
US
PRTA
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 | ||
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Peer group · Research and experimental development on natural sciences and engineering
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
ACROBIOSYSTEMS CO.,LTD.
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ACTINOGEN MEDICAL LIMITED
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ACW | AU | Professional, scientific and te… |
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Active Biotech
Biotechnology company developing drugs for oncology and inf…
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ACTI | SE | Professional, scientific and te… |
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Adagene Inc.
Clinical-stage biotech developing antibody-based immunother…
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ADAG | KY | Professional, scientific and te… |
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ADALTA LIMITED
Clinical-stage biotech developing i-body protein therapeuti…
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1AD | AU | Professional, scientific and te… |
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Adaptive Biotechnologies Corp
Decodes the adaptive immune system to develop products for …
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ADPT | US | Professional, scientific and te… |
|
Adeia Inc.
R&D company that licenses IP for the media, entertainment, …
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ADEA | US | Professional, scientific and te… |
|
Aditxt, Inc.
Acquires, develops, and deploys health technologies to addr…
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ADTX | US | Professional, scientific and te… |
|
Advanced Biomed Inc.
Develops microfluidic biochip diagnostic systems for precis…
|
ADVB | US | Professional, scientific and te… |
|
Advanced Proteome Therapeutics Corporation
Develops proprietary technology for chemical modification o…
|
APC.H | CA | 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 |
Full reference: API reference · OpenAPI schema
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)"
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