Jack Kaye - Net Worth and Insider Trading
Jack Kaye Net Worth
The estimated net worth of Jack Kaye is at least $537,839 dollars as of 2025-04-16. Jack Kaye is the Director of Keryx Biopharmaceuticals Inc and owns about 141,400 shares of Keryx Biopharmaceuticals Inc (KERX) stock worth over $475,104. Jack Kaye is also the Director of uniQure NV and owns about 6,501 shares of uniQure NV (QURE) stock worth over $62,735. Details can be seen in Jack Kaye'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 Jack Kaye has not made any transactions after 2024-06-13 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Jack Kaye
Jack Kaye Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Jack Kaye owns 3 companies in total, including uniQure NV (QURE) , Dyadic International Inc (DYAI) , and Keryx Biopharmaceuticals Inc (KERX) .
Click here to see the complete history of Jack Kaye’s form 4 insider trades.
Insider Ownership Summary of Jack Kaye
Ticker | Comapny | Transaction Date | Type of Owner |
---|---|---|---|
QURE | uniQure NV | 2024-06-13 | director |
DYAI | Dyadic International Inc | 2019-06-25 | director |
KERX | Keryx Biopharmaceuticals Inc | 2015-06-17 | director |
Jack Kaye Latest Holdings Summary
Jack Kaye currently owns a total of 2 stocks. Among these stocks, Jack Kaye owns 141,400 shares of Keryx Biopharmaceuticals Inc (KERX) as of December 6, 2010, with a value of $475,104 and a weighting of 88.34%. Jack Kaye also owns 6,501 shares of uniQure NV (QURE) as of June 13, 2024, with a value of $62,735 and a weighting of 11.66%.
Latest Holdings of Jack Kaye
Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
KERX | Keryx Biopharmaceuticals Inc | 2010-12-06 | 141,400 | 3.36 | 475,104 |
QURE | uniQure NV | 2024-06-13 | 6,501 | 9.65 | 62,735 |
Holding Weightings of Jack Kaye
Jack Kaye Form 4 Trading Tracker
According to the SEC Form 4 filings, Jack Kaye has made a total of 0 transactions in Keryx Biopharmaceuticals Inc (KERX) over the past 5 years. The most-recent trade in Keryx Biopharmaceuticals Inc is the sale of 20,000 shares on December 6, 2010, which brought Jack Kaye around $100,000.
According to the SEC Form 4 filings, Jack Kaye has made a total of 4 transactions in uniQure NV (QURE) over the past 5 years, including 0 buys and 4 sells. The most-recent trade in uniQure NV is the sale of 2,218 shares on June 13, 2024, which brought Jack Kaye around $11,445.
Insider Trading History of Jack Kaye
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Jack Kaye Trading Performance
GuruFocus tracks the stock performance after each of Jack Kaye's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Jack Kaye is 107.95%. GuruFocus also compares Jack Kaye's trading performance to market benchmark return within the same time period. The performance of stocks bought by Jack Kaye within 3 months outperforms 1 times out of 2 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Jack Kaye's insider trading performs compared to the benchmark.
Jack Kaye Ownership Network
Ownership Network List of Jack Kaye
Ownership Network Relation of Jack Kaye

Jack Kaye Owned Company Details
What does uniQure NV do?
Who are the key executives at uniQure NV?
Jack Kaye is the director of uniQure NV. Other key executives at uniQure NV include director & CEO & Managing Director Matthew C Kapusta , Chief Financial Officer Christian Klemt , and Chief Medical Officer Walid Abi-saab .
uniQure NV (QURE) Insider Trades Summary
Over the past 18 months, Jack Kaye made no insider transaction in uniQure NV (QURE). Other recent insider transactions involving uniQure NV (QURE) include a net sale of 193,107 shares made by Matthew C Kapusta , a net sale of 47,008 shares made by Christian Klemt , and a net sale of 12,391 shares made by Pierre Caloz .
In summary, during the past 3 months, insiders sold 97,906 shares of uniQure NV (QURE) in total and bought 0 shares, with a net sale of 97,906 shares. During the past 18 months, 286,236 shares of uniQure NV (QURE) were sold and 0 shares were bought by its insiders, resulting in a net sale of 286,236 shares.
uniQure NV (QURE)'s detailed insider trading history can be found in Insider Trading Tracker table.
uniQure NV Insider Transactions
Jack Kaye Mailing Address
Above is the net worth, insider trading, and ownership report for Jack Kaye. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Jack Kaye's mailing address is: New York X1 10022.