David B Singer - Net Worth and Insider Trading

David B Singer Net Worth

The estimated net worth of David B Singer is at least $45 Million dollars as of 2024-11-13. David B Singer is the Director of Corcept Therapeutics Inc and owns about 778,667 shares of Corcept Therapeutics Inc (CORT) stock worth over $45 Million. David B Singer is also the Director of Affymetrix Inc and owns about 17,332 shares of Affymetrix Inc (AFFX) stock worth over $242,821. Details can be seen in David B Singer'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 David B Singer has not made any transactions after 2005-10-25 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

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Transaction Summary of David B Singer

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David B Singer Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, David B Singer owns 6 companies in total, including 1Life Healthcare Inc (ONEM) , Castlight Health Inc (CSLT) , and Pacific Biosciences of California Inc (PACB) among others .

Click here to see the complete history of David B Singer’s form 4 insider trades.

Insider Ownership Summary of David B Singer

Ticker Comapny Transaction Date Type of Owner
ONEM 1Life Healthcare Inc 2020-01-30 director
CSLT Castlight Health Inc 2014-03-13 director
PACB Pacific Biosciences of California Inc 2010-10-26 director
LIMIT LIMIT 2004-12-31 director
LIMIT LIMIT 2007-06-13 director
LIMIT LIMIT 2021-06-17 director

David B Singer Latest Holdings Summary

David B Singer currently owns a total of 2 stocks. Among these stocks, David B Singer owns 778,667 shares of Corcept Therapeutics Inc (CORT) as of December 31, 2004, with a value of $45 Million and a weighting of 99.46%. David B Singer also owns 17,332 shares of Affymetrix Inc (AFFX) as of October 25, 2005, with a value of $242,821 and a weighting of 0.54%.

Latest Holdings of David B Singer

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
CORT Corcept Therapeutics Inc 2004-12-31 778,667 57.79 44,999,166
AFFX Affymetrix Inc 2005-10-25 17,332 14.01 242,821

Holding Weightings of David B Singer


David B Singer Form 4 Trading Tracker

According to the SEC Form 4 filings, David B Singer 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 43,149 shares on December 31, 2004, which brought David B Singer around $276,154.

According to the SEC Form 4 filings, David B Singer 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 10,000 shares on October 25, 2005, which brought David B Singer around $450,000.

Insider Trading History of David B Singer

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.

David B Singer Trading Performance

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

David B Singer Ownership Network

Ownership Network List of David B Singer

No Data

Ownership Network Relation of David B Singer

Insider Network Chart

David B Singer Owned Company Details

What does 1Life Healthcare Inc do?

Who are the key executives at 1Life Healthcare Inc?

David B Singer is the director of 1Life Healthcare Inc. Other key executives at 1Life Healthcare Inc include General Counsel and Secretary Lisa A Mango , Chief Accounting Officer Vikas Agarwal , and Chief Financial Officer Bjorn B Thaler .

1Life Healthcare Inc (ONEM) Insider Trades Summary

In summary, during the past 3 months, insiders sold 0 shares of 1Life Healthcare Inc (ONEM) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of 1Life Healthcare Inc (ONEM) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.

1Life Healthcare Inc (ONEM)'s detailed insider trading history can be found in Insider Trading Tracker table.

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1Life Healthcare Inc Insider Transactions

No Available Data

David B Singer Mailing Address

Above is the net worth, insider trading, and ownership report for David B Singer. You might contact David B Singer via mailing address: C/o Maverick Capital, Ltd., 101 California Street, Suite 4015, San Francisco Ca 94111.