William Kurtz
CIK: 0001231740
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (14 total)
- Sep 25, 2026ATER
Aterian, Inc.
Award(A)Direct150.6K shares- - May 20, 2026SRAD
Sportradar Group AG
Award(A)Direct13.2K shares- - May 15, 2026SRAD
Sportradar Group AG
Tax Payment(F)Direct1.9K shares at avg. $12.49$23K - Apr 30, 2026SRAD
Sportradar Group AG
Purchase(P)Direct8K shares at avg. $12.97$104K - Jan 23, 2026ATER
Aterian, Inc.
Award(A)Direct40.4K shares- - Nov 26, 2025VRNT
VERINT SYSTEMS INC
Disposition(D)Direct20.2K shares- - Nov 26, 2025VRNT
VERINT SYSTEMS INC
Exercise(M)Direct9K shares- - Nov 26, 2025VRNT
VERINT SYSTEMS INC
Disposition(D)Direct9K shares- - Aug 13, 2025ATER
Aterian, Inc.
Award(A)Direct78K shares- - Jun 10, 2025ATER
Aterian, Inc.
Sale(S)Direct5K shares at avg. $1.39$7K - Jun 9, 2025ATER
Aterian, Inc.
Sale(S)Direct4.7K shares at avg. $1.41$7K - Apr 22, 2025VRNT
VERINT SYSTEMS INC
Award(A)DirectRestricted Stock Units
9K shares- - Apr 10, 2025VRNT
VERINT SYSTEMS INC
Exercise(M)Direct6.9K shares- - Apr 22, 2024VRNT
VERINT SYSTEMS INC
Award(A)DirectRestricted Stock Units
6.9K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 25, 2026 |  ATER Aterian, Inc. | Award(A) | 150,602 | - | $0 | Direct |
| May 20, 2026 |  SRAD Sportradar Group AG | Award(A) | 13,167 | - | $0 | Direct |
| May 15, 2026 | SRAD Sportradar Group AG | Tax Payment(F) | 1,868 | $12.49 | $23,331 | Direct |
| Apr 30, 2026 | SRAD Sportradar Group AG | Purchase(P) | 8,000 | $12.97 | $103,786 | Direct |
| Jan 23, 2026 | ATER Aterian, Inc. | Award(A) | 40,394 | - | $0 | Direct |
| Nov 26, 2025 |  VRNT VERINT SYSTEMS INC | Disposition(D) | 20,193 | - | - | Direct |
| Nov 26, 2025 | VRNT VERINT SYSTEMS INC | Exercise(M) | 8,980 | - | - | Direct |
| Nov 26, 2025 | VRNT VERINT SYSTEMS INC | Disposition(D) | 8,980 | - | - | Direct |
| Aug 13, 2025 | ATER Aterian, Inc. | Award(A) | 78,034 | - | - | Direct |
| Jun 10, 2025 | ATER Aterian, Inc. | Sale(S) | 5,000 | $1.39 | $6,950 | Direct |
| Jun 9, 2025 | ATER Aterian, Inc. | Sale(S) | 4,722 | $1.41 | $6,658 | Direct |
| Apr 22, 2025 | VRNT VERINT SYSTEMS INC | Award(A) Restricted Stock Units | 8,980 | - | - | Direct |
| Apr 10, 2025 | VRNT VERINT SYSTEMS INC | Exercise(M) | 6,859 | - | - | Direct |
| Apr 22, 2024 | VRNT VERINT SYSTEMS INC | Award(A) Restricted Stock Units | 6,859 | - | - | Direct |
1-14 of 14 transactions
About KURTZ WILLIAM
KURTZ WILLIAM (SEC CIK 0001231740) files insider reports with the SEC as Director of Aterian, Inc. (ATER), Director of Sportradar Group AG (SRAD) and Director of VERINT SYSTEMS INC (VRNT).
Signal8 holds 11 ownership filings by KURTZ WILLIAM (1 Form 3, 10 Form 4), filed between Apr 14, 2025 and Sep 29, 2026. Those filings report 14 transactions, from Apr 22, 2024 to Sep 25, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on KURTZ WILLIAM's filings is in SUMMIT, NJ.
Recent filings by KURTZ WILLIAM
- Sep 25, 2026: Grant or award of ATER shares (Form 4, code A).
- May 20, 2026: Grant or award of SRAD shares (Form 4, code A).
- May 15, 2026: Tax withholding of SRAD shares (Form 4, code F).
- Apr 30, 2026: Open-market purchase of SRAD shares (Form 4, code P).
- Jan 23, 2026: Grant or award of ATER shares (Form 4, code A).
Other insiders filing for Aterian, Inc. (ATER)
- Michelle Chiam Sin Ling, 10% Owner
- Chang Woei Jiann, 10% Owner
- Lazar David E., Chief Executive Officer
- NATAN DAVID, Director
- Ben-Tzvi Avraham, Director
- Rodriguez Arturo, Chief Executive Officer