Quick Answer
SELLAS Life Sciences Group, Inc. reported Shares Outstanding of 153.10 million shares for fiscal year 2025.
SELLAS Life Sciences Group, Inc. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 153.10M | +107.0% |
| 2024 | 73.98M | +130.2% |
| 2023 | 32.13M | +53.0% |
| 2022 | 21.01M | +32.1% |
| 2021 | 15.90M | +11.5% |
| 2020 | 14.25M | +180.6% |
| 2019 | 5.08M | +1053.2% |
| 2018 | 440,529 | -92.4% |
| 2017 | 5.77M | +354.6% |
| 2016 | 1.27M | -84.3% |
| 2015 | 8.10M | -92.6% |
| 2014 | 109.43M | +0.0% |
| 2013 | 109.43M | +32.0% |
| 2012 | 82.92M | +75.9% |
| 2011 | 47.14M | +156.6% |
| 2010 | 18.37M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 125.08M | +94.3% | +24.6% |
| June 30, 2025 | 100.37M | +73.8% | +10.4% |
| March 31, 2025 | 90.90M | +61.5% | +22.9% |
| December 31, 2024 | 73.98M | +130.2% | +14.9% |
| September 30, 2024 | 64.38M | +126.7% | +11.5% |
| June 30, 2024 | 57.75M | +103.7% | +2.6% |
| March 31, 2024 | 56.27M | +98.5% | +75.1% |
| December 31, 2023 | 32.13M | +53.0% | +13.2% |
- SELLAS Life Sciences Group, Inc. showed an increase of +107.0% in Shares Outstanding compared to the prior fiscal year.
- Over the 2010–2025 period, SELLAS Life Sciences Group, Inc.’s shares outstanding has grown by 733.3% (from 18.37 million shares to 153.10 million shares).
- The most recent figure is from SELLAS Life Sciences Group, Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 19, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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