William Jl Rieflin - Net Worth and Insider Trading
William Jl Rieflin Net Worth
The estimated net worth of William Jl Rieflin is at least $2 Million dollars as of 2024-09-20. William Jl Rieflin is the Director of XenoPort Inc and owns about 302,845 shares of XenoPort Inc (XNPT) stock worth over $2 Million. William Jl Rieflin is also the Director of RAPT Therapeutics Inc and owns about 94,722 shares of RAPT Therapeutics Inc (RAPT) stock worth over $182,813. Details can be seen in William Jl Rieflin'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 William Jl Rieflin has not made any transactions after 2020-11-19 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of William Jl Rieflin
William Jl Rieflin Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, William Jl Rieflin owns 5 companies in total, including RAPT Therapeutics Inc (RAPT) , NGM Biopharmaceuticals Inc (NGM) , and XenoPort Inc (XNPT) among others .
Click here to see the complete history of William Jl Rieflin’s form 4 insider trades.
Insider Ownership Summary of William Jl Rieflin
| Ticker | Comapny | Transaction Date | Type of Owner |
|---|---|---|---|
| RAPT | RAPT Therapeutics Inc | 2020-11-19 | director |
| NGM | NGM Biopharmaceuticals Inc | 2019-04-03 | director & Executive Chairman |
| XNPT | XenoPort Inc | 2016-07-05 | director |
 | | 2016-06-24 | director |
| | 2021-06-16 | director |
William Jl Rieflin Latest Holdings Summary
William Jl Rieflin currently owns a total of 2 stocks. Among these stocks, William Jl Rieflin owns 302,845 shares of XenoPort Inc (XNPT) as of December 10, 2014, with a value of $2 Million and a weighting of 92.13%. William Jl Rieflin also owns 94,722 shares of RAPT Therapeutics Inc (RAPT) as of November 19, 2020, with a value of $182,813 and a weighting of 7.87%.
Latest Holdings of William Jl Rieflin
| Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| XNPT | XenoPort Inc | 2014-12-10 | 302,845 | 7.07 | 2,141,114 |
| RAPT | RAPT Therapeutics Inc | 2020-11-19 | 94,722 | 1.93 | 182,813 |
Holding Weightings of William Jl Rieflin
William Jl Rieflin Form 4 Trading Tracker
According to the SEC Form 4 filings, William Jl Rieflin has made a total of 0 transactions in XenoPort Inc (XNPT) over the past 5 years. The most-recent trade in XenoPort Inc is the sale of 11,010 shares on December 10, 2014, which brought William Jl Rieflin around $93,475.
According to the SEC Form 4 filings, William Jl Rieflin has made a total of 2 transactions in RAPT Therapeutics Inc (RAPT) over the past 5 years, including 2 buys and 0 sells. The most-recent trade in RAPT Therapeutics Inc is the acquisition of 10,000 shares on November 19, 2020, which cost William Jl Rieflin around $162,200.
Insider Trading History of William Jl Rieflin
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William Jl Rieflin Trading Performance
GuruFocus tracks the stock performance after each of William Jl Rieflin's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by William Jl Rieflin is 58.93%. GuruFocus also compares William Jl Rieflin's trading performance to market benchmark return within the same time period. The performance of stocks bought by William Jl Rieflin within 3 months outperforms 3 times out of 5 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how William Jl Rieflin's insider trading performs compared to the benchmark.
Performance of William Jl Rieflin
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | 38.01 | | | | | |
| Relative Return to S&P 500(%) | 34.5 | | | | | |
William Jl Rieflin Ownership Network
William Jl Rieflin Owned Company Details
What does RAPT Therapeutics Inc do?
Who are the key executives at RAPT Therapeutics Inc?
William Jl Rieflin is the director of RAPT Therapeutics Inc. Other key executives at RAPT Therapeutics Inc include Chief Scientific Officer Dirk G. Brockstedt , Chief Medical Officer William Ho , and 10 percent owner Column Group Ii, Lp .
RAPT Therapeutics Inc (RAPT) Insider Trades Summary
Over the past 18 months, William Jl Rieflin made no insider transaction in RAPT Therapeutics Inc (RAPT). Other recent insider transactions involving RAPT Therapeutics Inc (RAPT) include a net sale of 14,000 shares made by William Ho , and a net sale of 898 shares made by Dirk G. Brockstedt .
In summary, during the past 3 months, insiders sold 0 shares of RAPT Therapeutics Inc (RAPT) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 14,898 shares of RAPT Therapeutics Inc (RAPT) were sold and 0 shares were bought by its insiders, resulting in a net sale of 14,898 shares.
RAPT Therapeutics Inc (RAPT)'s detailed insider trading history can be found in Insider Trading Tracker table.
RAPT Therapeutics Inc Insider Transactions
William Jl Rieflin Mailing Address
Above is the net worth, insider trading, and ownership report for William Jl Rieflin. You might contact William Jl Rieflin via mailing address: Ngm Biopharmaceuticals, Inc., 333 Oyster Point Blvd., South San Francisco Ca 94080.
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