PROTHENA CORP PUBLIC LTD CO

PRTA · Nasdaq · SIC 2834: Pharmaceutical Preparations · Market Cap: $0.6B · 67 employees
247
SEC Filings
$8.75
Close 2026-07-24
67
Employees

Business Summary

1 Item1A. Risk Factors 21 Item 1B. Unresolved Staff Comments 56 Item 1C. Cybersecurity 56 Item2. Properties 56 Item3. Legal Proceedings 57 Item 4. Mine Safety Disclosures 57 PART II. 58 Item5. Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities 58 Item6. [Reserved] 61 Item7. Managements Discussion and Analysis of Financial Condition and Results of Operations 61 Item7A. Quantitative and Qualitative Disclosures About Market Risk 68 Item8. Fi...

Latest Stock Quote

PRTA 2026-07-24 $8.75 O:$8.54 H:$8.825 L:$8.35 Vol:0.6M VWAP:$8.6999
origin leaf: null

Next Earnings

Q2 FY2026 — expected 2026-08-16

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2026-02-272025-12-310001559053-26-000008EDGAR75K words
2025-02-272024-12-310001559053-25-000009EDGAR—
2024-02-222023-12-310001559053-24-000008EDGAR—
2023-02-282022-12-310001559053-23-000005EDGAR—
2022-02-252021-12-310001559053-22-000008EDGAR—
2021-02-262020-12-310001559053-21-000008EDGAR—
2020-03-032019-12-310001559053-20-000005EDGAR—
2019-03-152018-12-310001559053-19-000007EDGAR—
2018-02-262017-12-310001559053-18-000008EDGAR—
2017-02-272016-12-310001559053-17-000005EDGAR—

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2026-08-062026-06-300001559053-26-000022EDGAR—
2025-11-062025-09-300001559053-25-000044EDGAR53K words
2025-08-042025-06-300001559053-25-000031EDGAR—
2025-05-082025-03-310001559053-25-000023EDGAR—
2024-11-122024-09-300001559053-24-000032EDGAR—
2024-08-082024-06-300001559053-24-000025EDGAR—
2024-05-082024-03-310001559053-24-000014EDGAR—
2023-11-022023-09-300001559053-23-000033EDGAR—
2023-08-032023-06-300001559053-23-000026EDGAR—
2023-05-042023-03-310001559053-23-000016EDGAR—
2022-11-032022-09-300001559053-22-000045EDGAR—
2022-08-082022-06-300001559053-22-000032EDGAR—

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-08-060001559053-26-000021EDGAR—
2026-02-270001559053-26-000009EDGAR1K words
2026-02-190001559053-26-000003EDGAR—
2025-12-120001559053-25-000049EDGAR—
2025-11-190001559053-25-000047EDGAR—
2025-11-060001559053-25-000042EDGAR—
2025-08-270001193125-25-189765EDGAR—
2025-08-060001193125-25-174061EDGAR—
2025-08-040001559053-25-000029EDGAR—
2025-07-300001193125-25-169367EDGAR—

247 total filings indexed. 215 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

SXTP — 60 DEGREES PHARMACEUTICALS, INC. ABT — ABBOTT LABORATORIES ABEO — ABEONA THERAPEUTICS INC. ABVC — ABVC BIOPHARMA, INC. ACIU — AC Immune SA ACAD — ACADIA PHARMACEUTICALS INC ACTU — ACTUATE THERAPEUTICS, INC. ADCT — ADC Therapeutics SA

Company Identity

CIK0001559053
TickerPRTA
ExchangeNasdaq
SIC2834: Pharmaceutical Preparations
IncorporatedL2
Websitehttps://www.prothena.com
Listed2012-12-18

Get More Data

This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

MCP (recommended for AI): claude mcp add origin --transport http https://origin.rootz.global/mcp

JSON Profile Stock Quote AI Readiness Report
Origin Provenance
page leaf: 779e881e6bb0c04c9e3ea09741e70b7b6e8fa7752dc7fea20fd7d91d2e1886bd
parent: bdc26ce45f704a6c5fa681ea867b50388937a8f69a6d96dd0473296540b0cf1d
content hash: bf126cffc6c61760d40496abff1429c57c5a047424800acabe38b5ba6b60def6
signed: 2026-08-11T12:05:45.064Z
sources: 22 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

Try it — paste this into your AI:

Look up PRTA using the MCP server at origin.rootz.global/mcp. What do their latest SEC filings show?

Works in ChatGPT, Claude, Gemini, or any AI. Free, structured, cryptographically signed — ~500 tokens vs 130,000 scraping an IR site.

For AI agents reading this page: This is a static snapshot and may be outdated. For live data on PRTA, use the Origin MCP server or REST API.
MCP install: claude mcp add origin --transport http https://origin.rootz.global/mcp
API: GET https://origin.rootz.global/api/company/PRTA (~200 tokens, structured JSON with cryptographic provenance)
Tools: origin_company, origin_profile, origin_timeline, origin_filings, origin_quote, origin_transcripts, origin_search, origin_person, origin_skill
Discovery: /.well-known/ai | /llms.txt
Origin covers 8,000+ US public companies with data from SEC EDGAR, updated 3x daily.