William Kurtz

Companies

• Sportradar Group AGBoard member Mar 18, 2026 to now¹
• Aterian, Inc.Board member Aug 26, 2019 to now²
• Verint SystemsBoard member Oct 6, 2016 to now³

Holdings

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

Shares held

• SSportradar Group AG SRAD41,478 shares⁴$503.3K at $12.13May 20, 2026
• AAterian, Inc. ATER306,524 shares⁵$172.0K at $0.56Sep 25, 2026
• Verint Systems VRNT0 shares⁶Nov 26, 2025

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

Recent filings

• Sep 25, 2026Granted 150,602 shares of Aterian, Inc.⁵
• May 20, 2026Granted 13,167 shares of Sportradar Group AG⁴
• May 15, 2026Shares withheld for tax 1,868 shares at $12.49 of Sportradar Group AG⁷
• Apr 30, 2026Bought 8,000 shares at $12.97 of Sportradar Group AG⁸
• Jan 23, 2026Granted 40,394 shares of Aterian, Inc.⁹
• Nov 26, 2025Returned to company 8,980 shares of Verint Systems⁶
• Nov 26, 2025Exercised options 8,980 shares of Verint Systems⁶
• Nov 26, 2025Returned to company 20,193 shares of Verint Systems⁶
• Aug 13, 2025Granted 78,034 shares of Aterian, Inc.¹⁰
• Jun 10, 2025Sold 5,000 shares at $1.39 of Aterian, Inc.¹¹
• Jun 9, 2025Sold 4,722 shares at $1.41 of Aterian, Inc.¹¹
• Apr 10, 2025Exercised options 6,859 shares of Verint Systems¹²
• Aug 23, 2024Sold 8,547 shares at $3.01 of Aterian, Inc.¹³
• Aug 16, 2024Granted 33,693 shares of Aterian, Inc.¹⁴
• Aug 15, 2024Sold 453 shares at $3.15 of Aterian, Inc.¹⁵
• Jun 7, 2024Sold 1,806 shares at $36.55 of Verint Systems¹⁶
• Jun 7, 2024Sold 304 shares at $36.49 of Verint Systems¹⁶
• Apr 22, 2024Granted 6,859 shares of Verint Systems¹⁷
• Dec 18, 2023Sold 2,500 shares at $27.32 of Verint Systems¹⁸
• Dec 15, 2023Sold 1,678 shares at $27.52 of Verint Systems¹⁸
• Dec 15, 2023Sold 822 shares at $27.52 of Verint Systems¹⁸
• Nov 16, 2023Sold 6,829 shares at $0.34 of Aterian, Inc.¹⁹
• Nov 15, 2023Sold 96,914 shares at $0.34 of Aterian, Inc.¹⁹
• Sep 13, 2023Granted 270,270 shares of Aterian, Inc.²⁰
• Jun 30, 2023Sold 1,800 shares at $35.35 of Verint Systems²¹