Steven W. Eck

Companies

• AvantorSVP & Chief Accounting Officer Jun 12, 2019 to now¹
• CSS IndustriesVP - Finance and Accounting Aug 6, 2018 to Aug 6, 2018²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• AAvantor AVTR129,593 shares³$2.1M at $16.31Jul 31, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jul 31, 2026Shares withheld for tax 1,385 shares at $13.78 of Avantor³
• Apr 3, 2026Granted 31,645 shares of Avantor⁴
• Feb 24, 2026Shares withheld for tax 452 shares at $9.11 of Avantor⁵
• Feb 23, 2026Shares withheld for tax 2,017 shares at $8.89 of Avantor⁵
• Feb 20, 2026Shares withheld for tax 2,125 shares at $9.03 of Avantor⁶
• Feb 19, 2026Granted 48,859 shares of Avantor⁶
• Aug 5, 2025Sold 3,476 shares at $11.39 of Avantor⁷
• Jul 31, 2025Shares withheld for tax 1,385 shares at $13.44 of Avantor⁸
• May 9, 2025Granted 20,358 shares of Avantor⁹
• Feb 27, 2025Sold 1,033 shares at $17.00 of Avantor¹⁰
• Feb 26, 2025Sold 4,907 shares at $17.53 of Avantor¹⁰
• Feb 25, 2025Shares withheld for tax 505 shares at $17.56 of Avantor¹¹
• Feb 24, 2025Shares withheld for tax 439 shares at $17.47 of Avantor¹¹
• Feb 23, 2025Shares withheld for tax 1,956 shares at $17.30 of Avantor¹²
• Feb 20, 2025Granted 18,867 shares of Avantor¹²
• Sep 5, 2024Sold 3,525 shares at $25.06 of Avantor¹³
• Jul 31, 2024Shares withheld for tax 1,337 shares at $26.75 of Avantor¹⁴
• Mar 8, 2024Sold 3,685 shares at $25.63 of Avantor¹⁵
• Feb 25, 2024Shares withheld for tax 505 shares at $24.35 of Avantor¹⁶
• Feb 24, 2024Shares withheld for tax 438 shares at $24.35 of Avantor¹⁶
• Feb 23, 2024Granted 11,704 shares of Avantor¹⁷
• Feb 23, 2024Shares withheld for tax 422 shares at $24.35 of Avantor¹⁶
• Feb 20, 2024Shares withheld for tax 435 shares at $24.05 of Avantor¹⁸
• Sep 7, 2023Sold 7,577 shares at $20.64 of Avantor¹⁹
• Jul 31, 2023Granted 14,584 shares of Avantor²⁰