Joseph S. Koscinski

Companies

• Ecovyst Inc.Officer Sep 29, 2017 to now¹

Holdings

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

Shares held

• EEcovyst Inc. ECVT595,784 shares²$6.1M at $10.19Mar 4, 2026

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

Recent filings

• Mar 4, 2026Granted 11,052 shares at $11.31 of Ecovyst Inc.²
• Feb 3, 2026Granted 27,158 shares of Ecovyst Inc.³
• Feb 3, 2025Granted 35,944 shares of Ecovyst Inc.⁴
• Jan 22, 2025Shares withheld for tax 5,522 shares at $7.96 of Ecovyst Inc.⁵
• Jan 5, 2025Shares withheld for tax 17,457 shares at $7.76 of Ecovyst Inc.⁶
• Aug 5, 2024Bought 4,807 shares at $6.26 of Ecovyst Inc.⁷
• Jan 22, 2024Granted 45,403 shares of Ecovyst Inc.⁸
• Jul 1, 2023Shares withheld for tax 52,830 shares at $11.37 of Ecovyst Inc.⁹
• Mar 8, 2023Granted 12,306 shares of Ecovyst Inc.¹⁰
• Jan 16, 2023Granted 60,976 shares of Ecovyst Inc.¹¹
• Nov 16, 2022Exercised options 19,861 shares at $1.88 of Ecovyst Inc.¹²
• Aug 4, 2022Bought 11,400 shares at $8.79 of Ecovyst Inc.¹³
• May 12, 2022Bought 5,200 shares at $9.62 of Ecovyst Inc.¹⁴
• Mar 1, 2022Granted 24,335 shares of Ecovyst Inc.¹⁵
• Jan 17, 2022Granted 121,477 shares of Ecovyst Inc.¹⁶
• Jan 17, 2022Granted 72,887 shares of Ecovyst Inc.¹⁶