Insiders who reported open-market trades in the last 12 months at the companies William Kurtz files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
David E. Lazar - $12.00M in ATER purchases and sales in the last 12 months
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William Kurtz is a corporate insider, tracked as Director of Aterian, Inc. (ATER). InsiderAlpha holds 10 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has William Kurtz submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has William Kurtz been buying or selling stock?
Recorded transactions: 1 open-market purchase ($104K) and 2 open-market sales ($14K) across all tracked filings.
William Kurtz is Director of Aterian, Inc. (ATER). 10 SEC Form 4 filings on record going back to 2025, most recently on 30 September 2026. Most recent open-market trade: bought $104K of SRAD on 4 May 2026. Lifetime open-market purchases: $104K. Lifetime open-market sales: $14K.
Recent transactions
12
The latest 12 SEC Form 4 transactions reported by William Kurtz.
InsiderAlpha's records for William Kurtz go back to 2025: 10 primary Form 4 filings, an average of 5.0 per year. The typical open-market purchase is $104K (1 buy totaling $104K). The largest single buy on record is $104K of SRAD in 2026. Sales side: 2 recorded sales totaling $14K, so the filing history runs buy-heavy by dollar value. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
