---
schema_version: "secwatch.filing_event.v1"
accession: "0001559053-25-000025"
form_type: "8-K"
ticker: "PRTA"
cik: "0001559053"
company_name: "PROTHENA CORP PUBLIC LTD CO"
filed_at: "2025-05-16T23:59:59+00:00"
generated_at: "2026-05-21T03:11:21.608510+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Prothena shareholders approve 2M share increase to LTIP, re-elect all directors

## Summary
- Shareholders approved an amendment increasing shares under the 2018 LTIP by 2,000,000, effective May 13, 2025.
- Directors Paula Cobb, Lars Ekman, and Gene Kinney re-elected to terms through 2028; Kinney had 9.7M against.
- Advisory vote on named executive officer compensation passed with 34.7M for vs 11.2M against.
- Ratification of KPMG as independent auditor for FY2025 passed with 50.3M for.
- Amendment sets overall share limit to 13,100,000 plus prior plan carryover shares.

## SEC filing metadata
- accession: 0001559053-25-000025
- form_type: 8-K
- ticker: PRTA
- cik: 0001559053
- company_name: PROTHENA CORP PUBLIC LTD CO
- filed_at: 2025-05-16T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1559053/000155905325000025/0001559053-25-000025-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1559053/000155905325000025/prta-20250513.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001559053-25-000025
- JSON: https://secwatch.observer/filing/0001559053-25-000025.json
- Plain text: https://secwatch.observer/filing/0001559053-25-000025.txt

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