Jennifer Ott Kozak

Companies

• Armstrong World IndustriesSVP, CHRO Sep 10, 2026 to now¹
• EnviriSenior Vice President & CHRO Oct 5, 2022 to now²

Holdings

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

Shares held

• Enviri HSC0 shares³Jun 1, 2026

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

Recent filings

• Jun 1, 2026Returned to company 101,019 shares of Enviri³
• May 20, 2026Shares withheld for tax 12,653 shares at $19.53 of Enviri⁴
• May 20, 2026Exercised options 27,554 shares of Enviri⁴
• Mar 11, 2026Shares withheld for tax 3,317 shares at $17.94 of Enviri⁵
• Mar 11, 2026Exercised options 7,222 shares of Enviri⁵
• Mar 7, 2026Shares withheld for tax 3,511 shares at $17.65 of Enviri⁶
• Mar 7, 2026Exercised options 7,644 shares of Enviri⁶
• Mar 4, 2026Shares withheld for tax 4,668 shares at $18.16 of Enviri⁷
• Mar 4, 2026Exercised options 10,165 shares of Enviri⁷
• Feb 26, 2026Shares withheld for tax 21,387 shares at $18.59 of Enviri⁸
• Feb 26, 2026Exercised options 45,862 shares of Enviri⁸
• Dec 16, 2025Shares withheld for tax 14,004 shares at $17.85 of Enviri⁹
• Dec 16, 2025Returned to company 30,496 shares at $17.85 of Enviri⁹
• Dec 16, 2025Exercised options 60,992 shares of Enviri⁹
• Dec 16, 2025Shares withheld for tax 19,899 shares at $17.85 of Enviri⁹
• Dec 16, 2025Exercised options 43,334 shares of Enviri⁹
• Dec 8, 2025Sold 9,692 shares at $18.18 of Enviri¹⁰
• Dec 8, 2025Shares withheld for tax 1,701 shares at $18.22 of Enviri¹⁰
• Dec 8, 2025Returned to company 4,130 shares at $18.22 of Enviri¹⁰
• Dec 8, 2025Exercised options 10,100 shares at $7.45 of Enviri¹⁰
• Mar 11, 2025Shares withheld for tax 3,616 shares at $6.06 of Enviri¹¹
• Mar 11, 2025Exercised options 7,222 shares of Enviri¹¹
• Mar 7, 2025Shares withheld for tax 3,917 shares at $6.08 of Enviri¹²
• Mar 7, 2025Exercised options 7,644 shares of Enviri¹²
• Mar 4, 2025Shares withheld for tax 892 shares at $6.03 of Enviri¹³