Jeffrey Flug - Net Worth and Insider Trading
Jeffrey Flug Net Worth
The estimated net worth of Jeffrey Flug is at least $671,256 dollars as of 2026-09-03. Jeffrey Flug is the Director, 10% Owner of Shake Shack Inc and owns about 5,470 shares of Shake Shack Inc (SHAK) stock worth over $371,413. Jeffrey Flug is the Director of Pennant Park Investment Corp and owns about 47,272 shares of Pennant Park Investment Corp (PNNT) stock worth over $174,906. Jeffrey Flug is also the Director of PennantPark Floating Rate Capital Ltd and owns about 15,900 shares of PennantPark Floating Rate Capital Ltd (PFLT) stock worth over $118,137. Besides these, Jeffrey Flug also holds Sears Hometown and Outlet Stores Inc (SHOS) . Details can be seen in Jeffrey Flug'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 Jeffrey Flug has not made any transactions after 2026-05-15 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Jeffrey Flug
Jeffrey Flug Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Jeffrey Flug owns 4 companies in total, including Shake Shack Inc (SHAK) , PennantPark Floating Rate Capital Ltd (PFLT) , and Pennant Park Investment Corp (PNNT) among others .
Click here to see the complete history of Jeffrey Flug’s form 4 insider trades.
Insider Ownership Summary of Jeffrey Flug
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| SHAK | Shake Shack Inc | 2026-05-15 | director & 10 percent owner |
| PFLT | PennantPark Floating Rate Capital Ltd | 2020-03-19 | director |
| PNNT | Pennant Park Investment Corp | 2025-12-08 | director |
| 2013-09-04 | director |
Jeffrey Flug Latest Holdings Summary
Jeffrey Flug currently owns a total of 4 stocks. Among these stocks, Jeffrey Flug owns 5,470 shares of Shake Shack Inc (SHAK) as of May 15, 2026, with a value of $371,413 and a weighting of 55.33%. Jeffrey Flug owns 47,272 shares of Pennant Park Investment Corp (PNNT) as of December 8, 2025, with a value of $174,906 and a weighting of 26.06%. Jeffrey Flug also owns 15,900 shares of PennantPark Floating Rate Capital Ltd (PFLT) as of March 19, 2020, with a value of $118,137 and a weighting of 17.6%. The other 1 stocks Sears Hometown and Outlet Stores Inc (SHOS) have a combined weighting of 1.01% among all his current holdings.
Latest Holdings of Jeffrey Flug
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| SHAK | Shake Shack Inc | 2026-05-15 | 5,470 | 67.90 | 371,413 |
| PNNT | Pennant Park Investment Corp | 2025-12-08 | 47,272 | 3.70 | 174,906 |
| PFLT | PennantPark Floating Rate Capital Ltd | 2020-03-19 | 15,900 | 7.43 | 118,137 |
| SHOS | Sears Hometown and Outlet Stores Inc | 2013-09-04 | 2,000 | 3.40 | 6,800 |
Holding Weightings of Jeffrey Flug
Jeffrey Flug Form 4 Trading Tracker
According to the SEC Form 4 filings, Jeffrey Flug has made a total of 14 transactions in Shake Shack Inc (SHAK) over the past 5 years, including 1 buys and 13 sells. The most-recent trade in Shake Shack Inc is the acquisition of 1,000 shares on May 15, 2026, which cost Jeffrey Flug around $61,300.
According to the SEC Form 4 filings, Jeffrey Flug has made a total of 4 transactions in Pennant Park Investment Corp (PNNT) over the past 5 years, including 0 buys and 4 sells. The most-recent trade in Pennant Park Investment Corp is the sale of 141,533 shares on December 8, 2025, which brought Jeffrey Flug around $836,460.
According to the SEC Form 4 filings, Jeffrey Flug has made a total of 0 transactions in PennantPark Floating Rate Capital Ltd (PFLT) over the past 5 years. The most-recent trade in PennantPark Floating Rate Capital Ltd is the acquisition of 400 shares on March 19, 2020, which cost Jeffrey Flug around $1,424.
More details on Jeffrey Flug's insider transactions can be found in the Insider Trading History of Jeffrey Flug table.Insider Trading History of Jeffrey Flug
* The information on this page (including Insider Trading Shares, Share Changes, Cost, etc.) is sourced exclusively from Form 4 filings and does not incorporate any data from 13F or 13D/G filings. As a result, it may differ from the values shown on the Guru page.
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Jeffrey Flug Trading Performance
GuruFocus tracks the stock performance after each of Jeffrey Flug's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Jeffrey Flug is -1.88%. GuruFocus also compares Jeffrey Flug's trading performance to market benchmark return within the same time period. The performance of stocks bought by Jeffrey Flug within 3 months outperforms 4 times out of 18 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Jeffrey Flug's insider trading performs compared to the benchmark.
Performance of Jeffrey Flug
Jeffrey Flug Ownership Network
Ownership Network List of Jeffrey Flug
Ownership Network Relation of Jeffrey Flug

Jeffrey Flug Owned Company Details
What does Shake Shack Inc do?
Who are the key executives at Shake Shack Inc?
Jeffrey Flug is the director & 10 percent owner of Shake Shack Inc. Other key executives at Shake Shack Inc include director & Chief Executive Officer Robert Lynch , director & 10 percent owner Daniel Harris Meyer , and Chief Financial Officer Michelle Greig Hook .
Shake Shack Inc (SHAK) Insider Trades Summary
Over the past 18 months, Jeffrey Flug made 1 insider transaction in Shake Shack Inc (SHAK) with a net purchase of 1,000. Other recent insider transactions involving Shake Shack Inc (SHAK) include a net sale of 37,742 shares made by Daniel Harris Meyer , a net sale of 1,983 shares made by Stephanie Ann Sentell , and a net sale of 7,391 shares made by Katherine Irene Fogertey .
In summary, during the past 3 months, insiders sold 0 shares of Shake Shack Inc (SHAK) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 79,374 shares of Shake Shack Inc (SHAK) were sold and 52,616 shares were bought by its insiders, resulting in a net sale of 26,758 shares.
Shake Shack Inc (SHAK)'s detailed insider trading history can be found in Insider Trading Tracker table.
Shake Shack Inc Insider Transactions
Jeffrey Flug Mailing Address
Above is the net worth, insider trading, and ownership report for Jeffrey Flug. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Jeffrey Flug's mailing address is: New York Ny 10022.