---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-397952"
form_type: "8-K"
ticker: "LONA"
cik: "0001620463"
company_name: "LeonaBio, Inc."
filed_at: "2026-09-22T20:20:13+00:00"
generated_at: "2026-09-22T20:21:28.266039+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# LeonaBio: Series A warrants for 23M shares exercisable; potential $146M capital

## Summary
- Series A Common Warrants for 23,031,494 shares became exercisable on Sept 18, 2026.
- Exercise price is $6.35 per share; warrants exercisable until Oct 19, 2026.
- Full cash exercise would provide approximately $146.2 million additional capital.
- Warrants were issued in December 2025 private placement.

## SEC filing metadata
- accession: 0001193125-26-397952
- form_type: 8-K
- ticker: LONA
- cik: 0001620463
- company_name: LeonaBio, Inc.
- filed_at: 2026-09-22T20:20:13+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1620463/000119312526397952/0001193125-26-397952-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1620463/000119312526397952/lona-20260918.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-397952
- JSON: https://secwatch.observer/filing/0001193125-26-397952.json
- Plain text: https://secwatch.observer/filing/0001193125-26-397952.txt

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