---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-116123"
form_type: "8-K"
ticker: "LONA"
cik: "0001620463"
company_name: "LeonaBio, Inc."
filed_at: "2026-03-19T23:59:59+00:00"
generated_at: "2026-05-15T09:37:51.714701+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# LeonaBio shareholders approve 2026 equity plan, 4x authorized share increase, and Sermonix warrant exercise

## Summary
- Authorized common shares increased from 90M to 400M; total capital stock from 190M to 500M.
- 2026 Equity Incentive Plan approved: up to 5.7M shares initially, plus potential additions from lapsed 2020 Plan awards.
- Stockholders approved issuance of 5,502,402 shares upon exercise of Sermonix pre-funded warrant.
- Issuance to Sermonix and Perceptive Advisors exceeding 19.99% beneficial ownership also approved.
- 2026 Plan includes annual evergreen increase equal to the lesser of 5% of outstanding shares or Board-determined amount.

## SEC filing metadata
- accession: 0001193125-26-116123
- form_type: 8-K
- ticker: LONA
- cik: 0001620463
- company_name: LeonaBio, Inc.
- filed_at: 2026-03-19T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 5.02, 5.07, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1620463/000119312526116123/0001193125-26-116123-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1620463/000119312526116123/lona-20260318.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-116123
- JSON: https://secwatch.observer/filing/0001193125-26-116123.json
- Plain text: https://secwatch.observer/filing/0001193125-26-116123.txt

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