---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-054707"
form_type: "8-K"
ticker: "LONA"
cik: "0001620463"
company_name: "LeonaBio, Inc."
filed_at: "2025-04-16T23:59:59+00:00"
generated_at: "2026-05-23T13:26:41.784620+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Athira Pharma transfers to Nasdaq Capital Market; must regain $1 bid price by Oct 13, 2025

## Summary
- Approved transfer from Nasdaq Global Select Market to Capital Market effective April 17, 2025.
- Failed to meet $1 minimum bid price; granted 180-day grace period until October 13, 2025.
- Must have bid price ≥ $1 for ten consecutive business days during grace period to regain compliance.
- Seeking stockholder approval for reverse stock split at its 2025 annual meeting.
- Stock continues trading under symbol 'ATHA' on Nasdaq Capital Market.

## SEC filing metadata
- accession: 0000950170-25-054707
- form_type: 8-K
- ticker: LONA
- cik: 0001620463
- company_name: LeonaBio, Inc.
- filed_at: 2025-04-16T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 3.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1620463/000095017025054707/0000950170-25-054707-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1620463/000095017025054707/atha-20250415.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-054707
- JSON: https://secwatch.observer/filing/0000950170-25-054707.json
- Plain text: https://secwatch.observer/filing/0000950170-25-054707.txt

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