ATI INC Common Stock Shares Outstanding

• ATI INC showed a decrease of -3.9% in Common Stock Shares Outstanding from 2024 to 2025.
• This data is from ATI INC's annual report (Form 10-K), filed with the SEC on February 20, 2026.
• XBRL data for this metric is available from 2008 to 2025 (18 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
• Over the full 18 years of available data (2008 to 2025), ATI INC's Common Stock Shares Outstanding has grown by 39.7%.
• Historical annual values: Fiscal year 2025: 135.93 million shares | Fiscal year 2024: 141.39 million shares | Fiscal year 2023: 126.88 million shares | Fiscal year 2022: 128.27 million shares | Fiscal year 2021: 127.25 million shares | Fiscal year 2020: 126.82 million shares | Fiscal year 2019: 126.09 million shares | Fiscal year 2018: 125.68 million shares | Fiscal year 2017: 125.86 million shares | Fiscal year 2016: 108.93 million shares | Fiscal year 2015: 109.17 million shares | Fiscal year 2014: 108.71 million shares | Fiscal year 2013: 107.98 million shares | Fiscal year 2012: 107.40 million shares | Fiscal year 2011: 106.35 million shares | Fiscal year 2010: 98.54 million shares | Fiscal year 2009: 98.07 million shares | Fiscal year 2008: 97.33 million shares.
• Data sourced from SEC EDGAR public filings as of June 20, 2026.

Last verified: June 20, 2026