NEWMARKET CORP Common Stock Shares Outstanding

• NEWMARKET CORP showed a decrease of -1.3% in Common Stock Shares Outstanding from 2024 to 2025.
• This data is from NEWMARKET CORP's annual report (Form 10-K), filed with the SEC on February 12, 2026.
• XBRL data for this metric is available from 2009 to 2025 (17 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
• Over the full 17 years of available data (2009 to 2025), NEWMARKET CORP's Common Stock Shares Outstanding has declined by 38.2%.
• Historical annual values: Fiscal year 2025: 9.40 million shares | Fiscal year 2024: 9.52 million shares | Fiscal year 2023: 9.59 million shares | Fiscal year 2022: 9.70 million shares | Fiscal year 2021: 10.36 million shares | Fiscal year 2020: 10.92 million shares | Fiscal year 2019: 11.19 million shares | Fiscal year 2018: 11.18 million shares | Fiscal year 2017: 11.78 million shares | Fiscal year 2016: 11.85 million shares | Fiscal year 2015: 11.95 million shares | Fiscal year 2014: 12.45 million shares | Fiscal year 2013: 13.10 million shares | Fiscal year 2012: 13.42 million shares | Fiscal year 2011: 13.40 million shares | Fiscal year 2010: 14.03 million shares | Fiscal year 2009: 15.21 million shares.
• Data sourced from SEC EDGAR public filings as of June 23, 2026.

Last verified: June 23, 2026