---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-213373"
form_type: "8-K"
ticker: "ATOS"
cik: "0001488039"
company_name: "ATOSSA THERAPEUTICS, INC."
filed_at: "2026-05-08T23:59:59+00:00"
generated_at: "2026-05-14T21:03:26.354868+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Atossa shareholders approve reverse stock split up to 20:1, re-elect directors

## Summary
- Reverse stock split amendment approved: 2,336,815 for, 1,866,873 against, 33,271 abstentions.
- Three Class II directors re-elected: Galli, Steinhart, Cigler; broker non-votes ~2.2M each.
- Ratification of Ernst & Young as auditor for FY 2026 passed: 3.7M for, 370K against, 151K abstentions.
- Advisory vote on executive compensation approved: 1.53M for, 444K against, 2.22M broker non-votes.

## SEC filing metadata
- accession: 0001193125-26-213373
- form_type: 8-K
- ticker: ATOS
- cik: 0001488039
- company_name: ATOSSA THERAPEUTICS, INC.
- filed_at: 2026-05-08T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1488039/000119312526213373/0001193125-26-213373-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1488039/000119312526213373/atos-20260507.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-213373
- JSON: https://secwatch.observer/filing/0001193125-26-213373.json
- Plain text: https://secwatch.observer/filing/0001193125-26-213373.txt

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