Insiders who reported open-market trades in the last 12 months at the companies David Kostman 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.
Udi Yehuda Dayan - $50K in NICE purchases and sales in the last 12 months
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David Kostman is a corporate insider, tracked as Director of NICE Ltd. (NICE). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has David Kostman submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has David Kostman been buying or selling stock?
Recorded transactions: 3 open-market purchases ($53K) and 0 open-market sales across all tracked filings.
David Kostman is Director of NICE Ltd. (NICE). 8 SEC Form 4 filings on record going back to 2024, most recently on 2 October 2026. Most recent open-market trade: bought $14K of TEAD on 3 June 2026. Lifetime open-market purchases: $53K.
Recent transactions
16
The latest 16 SEC Form 4 transactions reported by David Kostman.
InsiderAlpha's records for David Kostman go back to 2024: 8 primary Form 4 filings, an average of 2.7 per year. The typical open-market purchase is $18K (3 buys totaling $53K). The largest single buy on record is $21K of TEAD in 2026. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
