---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-080234"
form_type: "8-K"
ticker: "LONA"
cik: "0001620463"
company_name: "LeonaBio, Inc."
filed_at: "2025-06-02T23:59:59+00:00"
generated_at: "2026-05-20T02:56:21.437860+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Athira shareholders approve reverse stock split at 2025 annual meeting

## Summary
- All three Class II director nominees elected: Joseph Edelman, John M. Fluke Jr., Grant Pickering.
- Ratification of Ernst & Young as independent auditor approved (26,981,568 for).
- Proposal to authorize reverse stock split approved (21,915,867 for, 4,835,818 against).
- Board may set final split ratio from 5:1 to 20:1 in its discretion.
- Quorum of 71.58% of shares present at the meeting.

## SEC filing metadata
- accession: 0000950170-25-080234
- form_type: 8-K
- ticker: LONA
- cik: 0001620463
- company_name: LeonaBio, Inc.
- filed_at: 2025-06-02T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1620463/000095017025080234/0000950170-25-080234-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1620463/000095017025080234/atha-20250529.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-080234
- JSON: https://secwatch.observer/filing/0000950170-25-080234.json
- Plain text: https://secwatch.observer/filing/0000950170-25-080234.txt

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