Career & Filing History
Every role David Kostman has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
David Kostman holds the role of Chief Executive Officer at Teads Holding Co. (TEAD). Kostman has reported 7 insider filings with the SEC since 2024. The most recent filing was in June 2026.
Every role David Kostman has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Teads Holding Co. (TEAD)2 filingsUpdated Aug 30, 2026
David Kostman is Chief Executive Officer, Director of Teads Holding Co. (TEAD). 7 SEC Form 4 filings on record going back to 2024, most recently on 9 June 2026. Most recent open-market trade: bought $14K of TEAD on 3 June 2026. Lifetime open-market purchases: $53K.
Every recent SEC Form 4 transaction David Kostman has reported, most recent first.
InsiderAlpha's records for David Kostman go back to 2024: 7 primary Form 4 filings, an average of 2.3 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 transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
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.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
David Kostman is a corporate insider, tracked as Chief Executive Officer, Director of Teads Holding Co. (TEAD). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 3 open-market purchases ($53K) and 0 open-market sales across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$TEAD Teads Holding Co.28.4K shares @ $1.22$35K