Christopher E. Greiner

Companies

• Zeta GlobalChief financial officer Jun 9, 2021 to now¹
• LIVEPERSON INCChief financial officer May 8, 2018 to Mar 5, 2020²
• InovalonChief Fin. & Oper. Officer Nov 15, 2016 to Mar 7, 2018³
• InovalonChief financial officer Feb 28, 2017 to Dec 4, 2017⁴
• InovalonChief operating officer Feb 11, 2015 to Dec 4, 2017⁵

Holdings

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

Shares held

• Zeta Global ZETA143,948 shares⁶$4.8M at $33.27May 20, 2026

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

Recent filings

• May 20, 2026Gift 633,060 shares of Zeta Global⁶
• Dec 5, 2025Gift 515,627 shares of Zeta Global⁷
• May 9, 2025Gift 1,061,853 shares of Zeta Global⁸
• Feb 12, 2025Exercised options 1,021,819 shares of Zeta Global⁹
• Dec 11, 2024Gift 999,057 shares of Zeta Global¹⁰
• Nov 18, 2024Bought 7,975 shares at $18.80 of Zeta Global¹¹
• Oct 9, 2024Exercised options 870,873 shares of Zeta Global¹²
• Aug 9, 2024Gift 116,789 shares of Zeta Global¹³
• Jul 3, 2024Shares withheld for tax 53,109 shares at $17.40 of Zeta Global¹⁴
• Jul 3, 2024Exercised options 404,891 shares of Zeta Global¹⁴
• May 22, 2024Gift 411,655 shares of Zeta Global¹⁵
• Apr 5, 2024Shares withheld for tax 682 shares at $12.23 of Zeta Global¹⁶
• Apr 5, 2024Exercised options 5,200 shares of Zeta Global¹⁶
• Nov 22, 2023Gift 506,868 shares of Zeta Global¹⁷
• Nov 15, 2023Granted 116,264 shares of Zeta Global¹⁸
• Aug 31, 2023Gift 503,067 shares of Zeta Global¹⁹
• Apr 21, 2023Shares withheld for tax 7,477 shares at $10.38 of Zeta Global²⁰
• Apr 21, 2023Exercised options 57,000 shares of Zeta Global²⁰
• Apr 21, 2023Granted 300,000 shares of Zeta Global²⁰
• Mar 14, 2023Shares withheld for tax 7,168 shares at $10.33 of Zeta Global²¹
• Jun 8, 2022Gift 520,005 shares of Zeta Global²²
• Feb 23, 2022Granted 118,000 shares of Zeta Global²³