Quick Answer
ATOSSA THERAPEUTICS, INC. reported Shares Outstanding of 8.61 million shares for fiscal year 2025.
ATOSSA THERAPEUTICS, INC. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 8.61M | +0.0% |
| 2024 | 8.61M | -93.1% |
| 2023 | 125.30M | -1.0% |
| 2022 | 126.62M | +0.0% |
| 2021 | 126.62M | +166.3% |
| 2020 | 47.55M | +420.8% |
| 2019 | 9.13M | +56.2% |
| 2018 | 5.85M | +120.5% |
| 2017 | 2.65M | -30.0% |
| 2016 | 3.79M | +73.9% |
| 2015 | 2.18M | -91.1% |
| 2014 | 24.56M | +32.2% |
| 2013 | 18.57M | +43.8% |
| 2012 | 12.92M | +14.8% |
| 2011 | 11.26M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 129.17M | +3.1% | +0.0% |
| June 30, 2025 | 129.17M | +3.1% | +0.0% |
| March 31, 2025 | 129.17M | +2.9% | +0.0% |
| December 31, 2024 | 129.17M | +3.1% | +3.1% |
| September 30, 2024 | 125.30M | +0.0% | +0.0% |
| June 30, 2024 | 125.30M | -0.9% | -0.2% |
| March 31, 2024 | 125.51M | -0.9% | +0.2% |
| December 31, 2023 | 125.30M | -1.0% | +0.0% |
- ATOSSA THERAPEUTICS, INC. showed an increase of +0.0% in Shares Outstanding compared to the prior fiscal year.
- Over the 2011–2025 period, ATOSSA THERAPEUTICS, INC.’s shares outstanding has declined by 23.5% (from 11.26 million shares to 8.61 million shares).
- The most recent figure is from ATOSSA THERAPEUTICS, INC.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 25, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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