Phio Pharmaceuticals Corp. Common Stock Shares Outstanding

• Phio Pharmaceuticals Corp. showed an increase of +570.1% in Common Stock Shares Outstanding from 2024 to 2025.
• This data is from Phio Pharmaceuticals Corp.'s annual report (Form 10-K), filed with the SEC on March 5, 2026.
• XBRL data for this metric is available from 2011 to 2025 (15 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
• Quarterly values from 10-Q filings: Q1 2012: 100.44 million shares | Q2 2012: 100.44 million shares | Q3 2012: 100.44 million shares | Q1 2013: 321.63 million shares | Q2 2013: 11.44 million shares | Q3 2013: 11.68 million shares | Q1 2014: 13.43 million shares | Q2 2014: 14.90 million shares | Q3 2014: 21.13 million shares | Q1 2015: 31.22 million shares | Q2 2015: 64.95 million shares | Q3 2015: 64.95 million shares | Q1 2016: 6.53 million shares | Q2 2016: 6.53 million shares | Q3 2016: 6.60 million shares | Q1 2017: 22.05 million shares | Q2 2017: 23.25 million shares | Q3 2017: 23.70 million shares | Q1 2018: 2.70 million shares | Q2 2018: 4.36 million shares | Q3 2018: 4.45 million shares | Q1 2019: 23.39 million shares | Q2 2019: 25.09 million shares | Q3 2019: 25.65 million shares | Q1 2020: 2.87 million shares | Q2 2020: 5.78 million shares | Q3 2020: 5.78 million shares | Q1 2021: 13.53 million shares | Q2 2021: 13.53 million shares | Q3 2021: 13.53 million shares | Q1 2022: 13.66 million shares | Q2 2022: 13.66 million shares | Q3 2022: 13.67 million shares | Q1 2023: 1.15 million shares | Q2 2023: 1.99 million shares | Q3 2023: 2.31 million shares | Q1 2024: 4.59 million shares | Q2 2024: 510,188 shares | Q3 2024: 958,219 shares | Q1 2025: 4.78 million shares | Q2 2025: 4.80 million shares | Q3 2025: 5.78 million shares.
• Over the full 15 years of available data (2011 to 2025), Phio Pharmaceuticals Corp.'s Common Stock Shares Outstanding has declined by 88.4%.
• Historical annual values: Fiscal year 2025: 11.62 million shares | Fiscal year 2024: 1.73 million shares | Fiscal year 2023: 416,368 shares | Fiscal year 2022: 1.14 million shares | Fiscal year 2021: 1.13 million shares | Fiscal year 2020: 5.78 million shares | Fiscal year 2019: 669,433 shares | Fiscal year 2018: 342,578 shares | Fiscal year 2017: 2.43 million shares | Fiscal year 2016: 1.30 million shares | Fiscal year 2015: 6.53 million shares | Fiscal year 2014: 21.98 million shares | Fiscal year 2013: 11.79 million shares | Fiscal year 2012: 5.29 million shares | Fiscal year 2011: 100.44 million shares.
• Data sourced from SEC EDGAR public filings as of August 9, 2026.

Last verified: August 9, 2026