---
schema_version: "secwatch.filing_event.v1"
accession: "0001559053-23-000010"
form_type: "8-K"
ticker: "PRTA"
cik: "0001559053"
company_name: "PROTHENA CORP PUBLIC LTD CO"
filed_at: "2023-04-28T23:59:59+00:00"
generated_at: "2026-06-16T06:27:14.228957+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Director Sanjiv K. Patel resigns from Prothena board effective July 1, 2023

## Summary
- Dr. Patel resigned from the Board and Compensation Committee, effective July 1, 2023.
- He will continue to serve on the Board and Committee through July 1, 2023.
- Resignation was not due to any disagreement with the Company on operations, policies, or practices.
- No replacement director or committee member has been announced.

## SEC filing metadata
- accession: 0001559053-23-000010
- form_type: 8-K
- ticker: PRTA
- cik: 0001559053
- company_name: PROTHENA CORP PUBLIC LTD CO
- filed_at: 2023-04-28T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1559053/000155905323000010/0001559053-23-000010-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1559053/000155905323000010/prta-20230425.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001559053-23-000010
- JSON: https://secwatch.observer/filing/0001559053-23-000010.json
- Plain text: https://secwatch.observer/filing/0001559053-23-000010.txt

## Key facts
- Executive change
  Sanjiv K. Patel resigned as Director at PROTHENA CORP PUBLIC LTD CO.
  - Action: resigned
  - Role: Director
  source text: On April 25, 2023, Dr. Sanjiv K. Patel notified Prothena Corporation plc (the “Company”) of his decision to resign from the Board of Directors of the Company (the “Board”) and as a member of the Compensation Committee of the Board, effective as of July 1, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1559053/000155905323000010/0001559053-23-000010-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.