Gilbert E Nathan - Net Worth and Insider Trading
Gilbert E Nathan Net Worth
The estimated net worth of Gilbert E Nathan is at least $5 Million dollars as of 2026-09-11. Gilbert E Nathan is the Director of Alto Ingredients Inc and owns about 887,593 shares of Alto Ingredients Inc (ALTO) stock worth over $4 Million. Gilbert E Nathan is the Director of MagnaChip Semiconductor Corp and owns about 376,456 shares of MagnaChip Semiconductor Corp (MX) stock worth over $1 Million. Gilbert E Nathan is also the Director of Ready Capital Corp and owns about 223,358 shares of Ready Capital Corp (RC) stock worth over $370,774. Besides these, Gilbert E Nathan also holds Emergent Capital Inc (EMGCQ) . Details can be seen in Gilbert E Nathan'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 Gilbert E Nathan has not made any transactions after 2026-08-11 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Gilbert E Nathan
Gilbert E Nathan Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Gilbert E Nathan owns 7 companies in total, including Alto Ingredients Inc (ALTO) , Ready Capital Corp (RC) , and Owens Realty Mortgage Inc (ORM) among others .
Click here to see the complete history of Gilbert E Nathan’s form 4 insider trades.
Insider Ownership Summary of Gilbert E Nathan
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| ALTO | Alto Ingredients Inc | 2026-08-11 | director |
| RC | Ready Capital Corp | 2026-03-06 | director |
| ORM | Owens Realty Mortgage Inc | 2019-03-29 | director |
| 2016-06-02 | director | ||
| 2025-04-10 | director | ||
| 2023-06-01 | director | ||
| 2026-06-23 | director |
Gilbert E Nathan Latest Holdings Summary
Gilbert E Nathan currently owns a total of 4 stocks. Among these stocks, Gilbert E Nathan owns 887,593 shares of Alto Ingredients Inc (ALTO) as of August 11, 2026, with a value of $4 Million and a weighting of 70.22%. Gilbert E Nathan owns 376,456 shares of MagnaChip Semiconductor Corp (MX) as of March 16, 2026, with a value of $1 Million and a weighting of 22.34%. Gilbert E Nathan also owns 223,358 shares of Ready Capital Corp (RC) as of March 6, 2026, with a value of $370,774 and a weighting of 7.41%. The other 1 stocks Emergent Capital Inc (EMGCQ) have a combined weighting of 0.04% among all his current holdings.
Latest Holdings of Gilbert E Nathan
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| ALTO | Alto Ingredients Inc | 2026-08-11 | 887,593 | 3.96 | 3,514,868 |
| MX | MagnaChip Semiconductor Corp | 2026-03-16 | 376,456 | 2.97 | 1,118,074 |
| RC | Ready Capital Corp | 2026-03-06 | 223,358 | 1.66 | 370,774 |
| EMGCQ | Emergent Capital Inc | 2016-03-31 | 8,615 | 0.22 | 1,896 |
Holding Weightings of Gilbert E Nathan
Gilbert E Nathan Form 4 Trading Tracker
According to the SEC Form 4 filings, Gilbert E Nathan has made a total of 10 transactions in Alto Ingredients Inc (ALTO) over the past 5 years, including 10 buys and 0 sells. The most-recent trade in Alto Ingredients Inc is the acquisition of 50,000 shares on August 11, 2026, which cost Gilbert E Nathan around $207,500.
According to the SEC Form 4 filings, Gilbert E Nathan has made a total of 5 transactions in MagnaChip Semiconductor Corp (MX) over the past 5 years, including 5 buys and 0 sells. The most-recent trade in MagnaChip Semiconductor Corp is the acquisition of 21,994 shares on March 16, 2026, which cost Gilbert E Nathan around $63,123.
According to the SEC Form 4 filings, Gilbert E Nathan has made a total of 8 transactions in Ready Capital Corp (RC) over the past 5 years, including 8 buys and 0 sells. The most-recent trade in Ready Capital Corp is the acquisition of 40,000 shares on March 6, 2026, which cost Gilbert E Nathan around $78,800.
More details on Gilbert E Nathan's insider transactions can be found in the Insider Trading History of Gilbert E Nathan table.Insider Trading History of Gilbert E Nathan
* 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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Gilbert E Nathan Trading Performance
GuruFocus tracks the stock performance after each of Gilbert E Nathan's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Gilbert E Nathan is 14.18%. GuruFocus also compares Gilbert E Nathan's trading performance to market benchmark return within the same time period. The performance of stocks bought by Gilbert E Nathan within 3 months outperforms 19 times out of 35 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Gilbert E Nathan's insider trading performs compared to the benchmark.
Performance of Gilbert E Nathan
Gilbert E Nathan Ownership Network
Ownership Network List of Gilbert E Nathan
Ownership Network Relation of Gilbert E Nathan

Gilbert E Nathan Owned Company Details
What does Alto Ingredients Inc do?
Who are the key executives at Alto Ingredients Inc?
Gilbert E Nathan is the director of Alto Ingredients Inc. Other key executives at Alto Ingredients Inc include VP of Ethanol Supply & Trading James R Sneed , Chief Financial Officer Robert R. Olander , and Interim CFO Bryon T Mcgregor .
Alto Ingredients Inc (ALTO) Insider Trades Summary
Over the past 18 months, Gilbert E Nathan made 2 insider transaction in Alto Ingredients Inc (ALTO) with a net purchase of 75,000. Other recent insider transactions involving Alto Ingredients Inc (ALTO) include a net purchase of 3,176 shares made by James R Sneed ,
In summary, during the past 3 months, insiders sold 0 shares of Alto Ingredients Inc (ALTO) in total and bought 50,000 shares, with a net purchase of 50,000 shares. During the past 18 months, 0 shares of Alto Ingredients Inc (ALTO) were sold and 78,176 shares were bought by its insiders, resulting in a net purchase of 78,176 shares.
Alto Ingredients Inc (ALTO)'s detailed insider trading history can be found in Insider Trading Tracker table.
Alto Ingredients Inc Insider Transactions
Gilbert E Nathan Mailing Address
Above is the net worth, insider trading, and ownership report for Gilbert E Nathan. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Gilbert E Nathan's mailing address is: Boca Raton Fl 33486.