Steven Lo - Net Worth and Insider Trading
Steven Lo Net Worth
The estimated net worth of Steven Lo is at least $2 Million dollars as of 2026-08-22. Steven Lo is the VP Commercial Operations of Corcept Therapeutics Inc and owns about 12,500 shares of Corcept Therapeutics Inc (CORT) stock worth over $2 Million. Steven Lo is the Chief Commercial Officer of Puma Biotechnology Inc and owns about 19,557 shares of Puma Biotechnology Inc (PBYI) stock worth over $180,707. Steven Lo is also the President, Chief Exec Officer of Vaxart Inc and owns about 100,000 shares of Vaxart Inc (VXRT) stock worth over $51,500. Besides these, Steven Lo also holds Zosano Pharma Corp (ZSANQ) . Details can be seen in Steven Lo'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 Steven Lo has not made any transactions after 2025-05-19 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Steven Lo
Steven Lo Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Steven Lo owns 4 companies in total, including Zosano Pharma Corp (ZSANQ) , Puma Biotechnology Inc (PBYI) , and Corcept Therapeutics Inc (CORT) among others .
Click here to see the complete history of Steven Lo’s form 4 insider trades.
Insider Ownership Summary of Steven Lo
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| ZSANQ | Zosano Pharma Corp | 2022-06-06 | director & Chief Executive Officer |
| PBYI | Puma Biotechnology Inc | 2019-07-22 | Chief Commercial Officer |
| CORT | Corcept Therapeutics Inc | 2015-11-02 | VP Commercial Operations |
 | | 2024-03-18 | director & President & Chief Exec Officer |
Steven Lo Latest Holdings Summary
Steven Lo currently owns a total of 4 stocks. Among these stocks, Steven Lo owns 12,500 shares of Corcept Therapeutics Inc (CORT) as of November 2, 2015, with a value of $2 Million and a weighting of 86.81%. Steven Lo owns 19,557 shares of Puma Biotechnology Inc (PBYI) as of July 22, 2019, with a value of $180,707 and a weighting of 10.27%. Steven Lo also owns 100,000 shares of Vaxart Inc (VXRT) as of May 19, 2025, with a value of $51,500 and a weighting of 2.93%. The other 1 stocks Zosano Pharma Corp (ZSANQ) have a combined weighting of 0% among all his current holdings.
Latest Holdings of Steven Lo
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| CORT | Corcept Therapeutics Inc | 2015-11-02 | 12,500 | 122.25 | 1,528,125 |
| PBYI | Puma Biotechnology Inc | 2019-07-22 | 19,557 | 9.24 | 180,707 |
| VXRT | Vaxart Inc | 2025-05-19 | 100,000 | 0.52 | 51,500 |
| ZSANQ | Zosano Pharma Corp | 2022-06-06 | 13,163 | 0.00 | 3 |
Holding Weightings of Steven Lo
Steven Lo Form 4 Trading Tracker
According to the SEC Form 4 filings, Steven Lo has made a total of 0 transactions in Corcept Therapeutics Inc (CORT) over the past 5 years. The most-recent trade in Corcept Therapeutics Inc is the sale of 12,500 shares on November 2, 2015, which brought Steven Lo around $50,000.
According to the SEC Form 4 filings, Steven Lo has made a total of 0 transactions in Puma Biotechnology Inc (PBYI) over the past 5 years. The most-recent trade in Puma Biotechnology Inc is the sale of 1,852 shares on July 22, 2019, which brought Steven Lo around $18,594.
According to the SEC Form 4 filings, Steven Lo has made a total of 1 transactions in Vaxart Inc (VXRT) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in Vaxart Inc is the acquisition of 100,000 shares on May 19, 2025, which cost Steven Lo around $49,000.
More details on Steven Lo's insider transactions can be found in the Insider Trading History of Steven Lo table.Insider Trading History of Steven Lo
* 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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Steven Lo Trading Performance
GuruFocus tracks the stock performance after each of Steven Lo's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Steven Lo is -26.47%. GuruFocus also compares Steven Lo's trading performance to market benchmark return within the same time period. The performance of stocks bought by Steven Lo within 3 months outperforms 0 times out of 1 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Steven Lo's insider trading performs compared to the benchmark.
Performance of Steven Lo
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | 22.85 | | | | | |
| Relative Return to S&P 500(%) | 22.56 | | | | | |
Steven Lo Ownership Network
Ownership Network List of Steven Lo
Ownership Network Relation of Steven Lo
Steven Lo Owned Company Details
What does Zosano Pharma Corp do?
Who are the key executives at Zosano Pharma Corp?
Steven Lo is the director & Chief Executive Officer of Zosano Pharma Corp. Other key executives at Zosano Pharma Corp include Chief Financial Officer Christine Matthews , VP & Clinical Dev & Med Affairs Donald J Kellerman , and See Remarks Hayley Lewis .
Zosano Pharma Corp (ZSANQ) Insider Trades Summary
In summary, during the past 3 months, insiders sold 0 shares of Zosano Pharma Corp (ZSANQ) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Zosano Pharma Corp (ZSANQ) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.
Zosano Pharma Corp (ZSANQ)'s detailed insider trading history can be found in Insider Trading Tracker table.
Zosano Pharma Corp Insider Transactions
Steven Lo Mailing Address
Above is the net worth, insider trading, and ownership report for Steven Lo. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Steven Lo's mailing address is: Menlo Park Ca 94010.
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