---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-027048"
form_type: "8-K"
ticker: "ATOS"
cik: "0001488039"
company_name: "ATOSSA THERAPEUTICS, INC."
filed_at: "2023-09-28T23:59:59+00:00"
generated_at: "2026-06-10T07:35:45.695704+00:00"
event_type: "other"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Atossa receives Nasdaq deficiency notice for bid price below $1 for 30 days

## Summary
- Nasdaq letter dated September 26, 2023, citing non-compliance with Listing Rule 5550(a)(2) for minimum bid price.
- Company has until March 25, 2024 to regain compliance; no immediate effect on listing or trading.
- To regain compliance, closing bid price must be $1.00 or higher for at least 10 consecutive business days.
- Company plans to monitor bid price and consider available options to cure the deficiency.

## SEC filing metadata
- accession: 0001437749-23-027048
- form_type: 8-K
- ticker: ATOS
- cik: 0001488039
- company_name: ATOSSA THERAPEUTICS, INC.
- filed_at: 2023-09-28T23:59:59+00:00
- event_type: other
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 3.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1488039/000143774923027048/0001437749-23-027048-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1488039/000143774923027048/atos20230925_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-027048
- JSON: https://secwatch.observer/filing/0001437749-23-027048.json
- Plain text: https://secwatch.observer/filing/0001437749-23-027048.txt

## Key facts
- Listing & Compliance Notices
  ATOSSA THERAPEUTICS, INC. received a nasdaq deficiency notice notice regarding minimum bid price (rules 5550(a)(2)).
  - Exchange: nasdaq
  - Notice: deficiency notice
  - Deficiency: minimum bid price
  - Rules: 5550(a)(2)
  source text: September 26, 2023, Atossa Therapeutics, Inc. (“the Company”) received a letter from The Nasdaq Stock Market LLC ("Nasdaq") notifying the Company that the Company was not in compliance with Nasdaq Listing Rule 5550(a)(2) – bid price, because the Company's common stock failed to maintain a minimum closing bid price of $1.00 per share for 30 consecutive business days. The Company has until March 25, 2024 to regain compliance. The letter also states that the Nasdaq staff will provide written notification that the Company has regained compliance if the bid price of the Company's common stock close
  evidence_url: https://www.sec.gov/Archives/edgar/data/1488039/000143774923027048/0001437749-23-027048-index.htm

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