David Kostman - Net Worth and Insider Trading
David Kostman Net Worth
The estimated net worth of David Kostman is at least $3 Million dollars as of 2025-04-27. David Kostman is the CEO of Outbrain Inc and owns about 828,940 shares of Outbrain Inc (OB) stock worth over $3 Million. Details can be seen in David Kostman's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that David Kostman has not made any transactions after 2025-03-13 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of David Kostman
David Kostman Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, David Kostman owns 2 companies in total, including Outbrain Inc (OB) , and Unity Software Inc (U) .
Click here to see the complete history of David Kostman’s form 4 insider trades.
Insider Ownership Summary of David Kostman
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| OB | Outbrain Inc | 2025-03-13 | director & Co-Chief Executive Officer |
| U | Unity Software Inc | 2022-11-07 | director |
David Kostman Latest Holdings Summary
David Kostman currently owns a total of 1 stock. David Kostman owns 828,940 shares of Outbrain Inc (OB) as of March 13, 2025, with a value of $3 Million.
Latest Holdings of David Kostman
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| OB | Outbrain Inc | 2025-03-13 | 828,940 | 3.83 | 3,174,840 |
Holding Weightings of David Kostman
David Kostman Form 4 Trading Tracker
According to the SEC Form 4 filings, David Kostman has made a total of 1 transactions in Outbrain Inc (OB) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in Outbrain Inc is the acquisition of 20,000 shares on March 13, 2025, which cost David Kostman around $79,600.
Insider Trading History of David Kostman
- 1
David Kostman Trading Performance
GuruFocus tracks the stock performance after each of David Kostman's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by David Kostman is %. GuruFocus also compares David Kostman's trading performance to market benchmark return within the same time period. The performance of stocks bought by David Kostman within 3 months outperforms times out of transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how David Kostman's insider trading performs compared to the benchmark.
Performance of David Kostman
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | -20.1 |  | | | | |
| Relative Return to S&P 500(%) | -17.24 | | | | | |
David Kostman Ownership Network
Ownership Network List of David Kostman
Ownership Network Relation of David Kostman
David Kostman Owned Company Details
What does Outbrain Inc do?
Who are the key executives at Outbrain Inc?
David Kostman is the director & Co-Chief Executive Officer of Outbrain Inc. Other key executives at Outbrain Inc include director & Co-Founder and Co-CEO Yaron Galai , CAO & VP Corporate Controller Wenkai Bradshaw , and Chief Financial Officer Jason Kiviat .
Outbrain Inc (OB) Insider Trades Summary
Over the past 18 months, David Kostman made 1 insider transaction in Outbrain Inc (OB) with a net purchase of 20,000. Other recent insider transactions involving Outbrain Inc (OB) include a net sale of 150,000 shares made by Yaron Galai ,
In summary, during the past 3 months, insiders sold 0 shares of Outbrain Inc (OB) in total and bought 20,000 shares, with a net purchase of 20,000 shares. During the past 18 months, 150,000 shares of Outbrain Inc (OB) were sold and 20,000 shares were bought by its insiders, resulting in a net sale of 130,000 shares.
Outbrain Inc (OB)'s detailed insider trading history can be found in Insider Trading Tracker table.
Outbrain Inc Insider Transactions
David Kostman Mailing Address
Above is the net worth, insider trading, and ownership report for David Kostman. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, David Kostman's mailing address is: New York Ny 10011.
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