William H Rastetter - Net Worth and Insider Trading

William H Rastetter Net Worth

The estimated net worth of William H Rastetter is at least $113 Million dollars as of 2024-05-02. William H Rastetter is the Executive Chairman of Biogen Inc and owns about 422,306 shares of Biogen Inc (BIIB) stock worth over $91 Million. William H Rastetter is the Director of Illumina Inc and owns about 92,473 shares of Illumina Inc (ILMN) stock worth over $12 Million. William H Rastetter is also the Director of Neurocrine Biosciences Inc and owns about 51,741 shares of Neurocrine Biosciences Inc (NBIX) stock worth over $7 Million. Besides these, William H Rastetter also holds Fate Therapeutics Inc (FATE) , Regulus Therapeutics Inc (RGLS) . Details can be seen in William H Rastetter's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the assumption that William H Rastetter has not made any transactions after 2024-01-02 and currently still holds the listed stock(s).

Transaction Summary of William H Rastetter

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William H Rastetter Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, William H Rastetter owns 6 companies in total, including Dare Bioscience Inc (DARE) , Regulus Therapeutics Inc (RGLS) , and Neurocrine Biosciences Inc (NBIX) among others .

Click here to see the complete history of William H Rastetter’s form 4 insider trades.

Insider Ownership Summary of William H Rastetter

Ticker Comapny Transaction Date Type of Owner
DARE Dare Bioscience Inc 2014-04-10 director
RGLS Regulus Therapeutics Inc 2019-05-07 director
NBIX Neurocrine Biosciences Inc 2024-01-02 director
2020-03-30 director
2014-09-29 director
2005-02-15 director & Executive Chairman

William H Rastetter Latest Holdings Summary

William H Rastetter currently owns a total of 5 stocks. Among these stocks, William H Rastetter owns 422,306 shares of Biogen Inc (BIIB) as of February 15, 2005, with a value of $91 Million and a weighting of 81.05%. William H Rastetter owns 92,473 shares of Illumina Inc (ILMN) as of September 29, 2014, with a value of $12 Million and a weighting of 10.23%. William H Rastetter also owns 51,741 shares of Neurocrine Biosciences Inc (NBIX) as of January 2, 2024, with a value of $7 Million and a weighting of 6.58%. The other 2 stocks Fate Therapeutics Inc (FATE) , Regulus Therapeutics Inc (RGLS) have a combined weighting of 2.13% among all his current holdings.

Latest Holdings of William H Rastetter

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
BIIB Biogen Inc 2005-02-15 422,306 216.13 91,272,996
ILMN Illumina Inc 2014-09-29 92,473 124.63 11,524,910
NBIX Neurocrine Biosciences Inc 2024-01-02 51,741 143.18 7,408,018
FATE Fate Therapeutics Inc 2016-11-23 577,632 4.09 2,362,515
RGLS Regulus Therapeutics Inc 2019-05-07 15,422 2.50 38,555

Holding Weightings of William H Rastetter


William H Rastetter Form 4 Trading Tracker

According to the SEC Form 4 filings, William H Rastetter has made a total of 0 transactions in Biogen Inc (BIIB) over the past 5 years. The most-recent trade in Biogen Inc is the sale of 120,313 shares on February 15, 2005, which brought William H Rastetter around $8 Million.

According to the SEC Form 4 filings, William H Rastetter has made a total of 0 transactions in Illumina Inc (ILMN) over the past 5 years. The most-recent trade in Illumina Inc is the sale of 248 shares on September 29, 2014, which brought William H Rastetter around $40,605.

According to the SEC Form 4 filings, William H Rastetter has made a total of 4 transactions in Neurocrine Biosciences Inc (NBIX) over the past 5 years, including 0 buys and 4 sells. The most-recent trade in Neurocrine Biosciences Inc is the sale of 11,044 shares on January 2, 2024, which brought William H Rastetter around $1 Million.

More details on William H Rastetter's insider transactions can be found in the Insider Trading History of William H Rastetter table.

Insider Trading History of William H Rastetter

No transactions are available. GuruFocus only tracks and displays the purchase and sale of non-derivative security in open market or private transactions from SEC filings with the transaction code of P or S.
Total 0
  • 1
Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as conversion of derivative security or exercise of options are not included. Insiders are limited to only officers and/or directors of the company.

William H Rastetter Trading Performance

GuruFocus tracks the stock performance after each of William H Rastetter's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by William H Rastetter is -5.85%. GuruFocus also compares William H Rastetter's trading performance to market benchmark return within the same time period. The performance of stocks bought by William H Rastetter within 3 months outperforms 3 times out of 6 transactions in total compared to the return of S&P 500 within the same period.

You can select different timeframes to see how William H Rastetter's insider trading performs compared to the benchmark.

Please note GuruFocus will not track the insiders’ transaction performance if he/she does not have buying transactions.

Performance of William H Rastetter

Average Return

Average return per transaction

Outperforming Transactions

2 out of 6 outperforming transactions.
Each transaction is measured over a period and compared to .
1 Month 3 Months 6 Months 1 Year 2 Years 3 Years
Return(%) -8.82
Relative Return to S&P 500(%) -8.49

William H Rastetter Ownership Network

Ownership Network List of William H Rastetter

No Data

Ownership Network Relation of William H Rastetter


William H Rastetter Owned Company Details

What does Dare Bioscience Inc do?

Who are the key executives at Dare Bioscience Inc?

William H Rastetter is the director of Dare Bioscience Inc. Other key executives at Dare Bioscience Inc include director & Chef Executive Officer Sabrina Martucci Johnson , Chief Strategy Officer John A Fair , and Chief Financial Officer Lisa Walters-hoffert .

Dare Bioscience Inc (DARE) Insider Trades Summary

In summary, during the past 3 months, insiders sold 0 shares of Dare Bioscience Inc (DARE) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Dare Bioscience Inc (DARE) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.

Dare Bioscience Inc (DARE)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Dare Bioscience Inc Insider Transactions

No Available Data

William H Rastetter Mailing Address

Above is the net worth, insider trading, and ownership report for William H Rastetter. You might contact William H Rastetter via mailing address: 9885 Towne Centre Dr., San Diego Ca 92121.

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