Frank Witney - Net Worth and Insider Trading
Frank Witney Net Worth
The estimated net worth of Frank Witney is at least $5 Million dollars as of 2025-04-11. Frank Witney is the President and CEO of Affymetrix Inc and owns about 339,532 shares of Affymetrix Inc (AFFX) stock worth over $5 Million. Frank Witney is also the Director of Cerus Corp and owns about 180,059 shares of Cerus Corp (CERS) stock worth over $238,578. Details can be seen in Frank Witney'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 Frank Witney has not made any transactions after 2024-05-09 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Frank Witney
Frank Witney Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Frank Witney owns 5 companies in total, including Cerus Corp (CERS) , Revvity Inc (RVTY) , and Affymetrix Inc (AFFX) among others .
Click here to see the complete history of Frank Witney’s form 4 insider trades.
Insider Ownership Summary of Frank Witney
| Ticker | Comapny | Transaction Date | Type of Owner |
|---|---|---|---|
| CERS | Cerus Corp | 2024-05-09 | director |
| RVTY | Revvity Inc | 2016-07-27 | director |
| AFFX | Affymetrix Inc | 2016-03-31 | director & President and CEO |
 | | 2022-04-04 | director |
| | 2021-06-17 | director |
Frank Witney Latest Holdings Summary
Frank Witney currently owns a total of 2 stocks. Among these stocks, Frank Witney owns 339,532 shares of Affymetrix Inc (AFFX) as of July 20, 2015, with a value of $5 Million and a weighting of 95.22%. Frank Witney also owns 180,059 shares of Cerus Corp (CERS) as of May 9, 2024, with a value of $238,578 and a weighting of 4.78%.
Latest Holdings of Frank Witney
| Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| AFFX | Affymetrix Inc | 2015-07-20 | 339,532 | 14.01 | 4,756,843 |
| CERS | Cerus Corp | 2024-05-09 | 180,059 | 1.33 | 238,578 |
Holding Weightings of Frank Witney
Frank Witney Form 4 Trading Tracker
According to the SEC Form 4 filings, Frank Witney has made a total of 0 transactions in Affymetrix Inc (AFFX) over the past 5 years. The most-recent trade in Affymetrix Inc is the sale of 37,991 shares on July 20, 2015, which brought Frank Witney around $425,499.
According to the SEC Form 4 filings, Frank Witney has made a total of 1 transactions in Cerus Corp (CERS) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in Cerus Corp is the acquisition of 20,000 shares on May 9, 2024, which cost Frank Witney around $37,800.
Insider Trading History of Frank Witney
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Frank Witney Trading Performance
GuruFocus tracks the stock performance after each of Frank Witney's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Frank Witney is 13.96%. GuruFocus also compares Frank Witney's trading performance to market benchmark return within the same time period. The performance of stocks bought by Frank Witney within 3 months outperforms 3 times out of 4 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Frank Witney's insider trading performs compared to the benchmark.
Performance of Frank Witney
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | 8.88 | | | | | |
| Relative Return to S&P 500(%) | 11.63 | | | | | |
Frank Witney Ownership Network
Ownership Network List of Frank Witney
Ownership Network Relation of Frank Witney
Frank Witney Owned Company Details
What does Cerus Corp do?
Who are the key executives at Cerus Corp?
Frank Witney is the director of Cerus Corp. Other key executives at Cerus Corp include President & Cerus Europe William Mariner Greenman , Chief Commercial Officer Vivek K Jayaraman , and Chief Medical Officer Richard J Benjamin .
Cerus Corp (CERS) Insider Trades Summary
Over the past 18 months, Frank Witney made 1 insider transaction in Cerus Corp (CERS) with a net purchase of 20,000. Other recent insider transactions involving Cerus Corp (CERS) include a net sale of 218,807 shares made by Richard J Benjamin , a net sale of 211,391 shares made by Chrystal Menard , and a net sale of 285,289 shares made by Kevin Dennis Green .
In summary, during the past 3 months, insiders sold 834,247 shares of Cerus Corp (CERS) in total and bought 0 shares, with a net sale of 834,247 shares. During the past 18 months, 1,362,188 shares of Cerus Corp (CERS) were sold and 38,725 shares were bought by its insiders, resulting in a net sale of 1,323,463 shares.
Cerus Corp (CERS)'s detailed insider trading history can be found in Insider Trading Tracker table.
Cerus Corp Insider Transactions
Frank Witney Mailing Address
Above is the net worth, insider trading, and ownership report for Frank Witney. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Frank Witney's mailing address is: Waltham Ma 02451.
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