Lewis T Williams - Net Worth and Insider Trading

Lewis T Williams Net Worth

The estimated net worth of Lewis T Williams is at least $16 Million dollars as of 2024-09-20. Lewis T Williams is the President, CEO and Chairman of Five Prime Therapeutics Inc and owns about 433,892 shares of Five Prime Therapeutics Inc (FPRX) stock worth over $16 Million. Details can be seen in Lewis T Williams'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 Lewis T Williams has not made any transactions after 2016-12-23 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 Lewis T Williams

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Lewis T Williams Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Lewis T Williams owns 4 companies in total, including Protagonist Therapeutics Inc (PTGX) , Neoleukin Therapeutics Inc (NLTX) , and Five Prime Therapeutics Inc (FPRX) among others .

Click here to see the complete history of Lewis T Williams’s form 4 insider trades.

Insider Ownership Summary of Lewis T Williams

Ticker Comapny Transaction Date Type of Owner
PTGX Protagonist Therapeutics Inc 2022-05-26 director
NLTX Neoleukin Therapeutics Inc 2019-10-10 director
FPRX Five Prime Therapeutics Inc 2019-09-01 director
LIMIT LIMIT 2022-02-03 director

Lewis T Williams Latest Holdings Summary

Lewis T Williams currently owns a total of 1 stock. Lewis T Williams owns 433,892 shares of Five Prime Therapeutics Inc (FPRX) as of December 23, 2016, with a value of $16 Million.

Latest Holdings of Lewis T Williams

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
FPRX Five Prime Therapeutics Inc 2016-12-23 433,892 38.00 16,487,896

Holding Weightings of Lewis T Williams


Lewis T Williams Form 4 Trading Tracker

According to the SEC Form 4 filings, Lewis T Williams has made a total of 0 transactions in Five Prime Therapeutics Inc (FPRX) over the past 5 years. The most-recent trade in Five Prime Therapeutics Inc is the sale of 30,000 shares on December 23, 2016, which brought Lewis T Williams around $2 Million.

Insider Trading History of Lewis T Williams

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.

Lewis T Williams Trading Performance

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

Lewis T Williams Ownership Network

Ownership Network List of Lewis T Williams

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Ownership Network Relation of Lewis T Williams

Insider Network Chart

Lewis T Williams Owned Company Details

What does Protagonist Therapeutics Inc do?

Who are the key executives at Protagonist Therapeutics Inc?

Lewis T Williams is the director of Protagonist Therapeutics Inc. Other key executives at Protagonist Therapeutics Inc include Chief Financial Officer Asif Ali , director & President and CEO Patel Dinesh V Ph D , and Chief Development Officer Suneel Gupta .

Protagonist Therapeutics Inc (PTGX) Insider Trades Summary

Over the past 18 months, Lewis T Williams made no insider transaction in Protagonist Therapeutics Inc (PTGX). Other recent insider transactions involving Protagonist Therapeutics Inc (PTGX) include a net sale of 165,000 shares made by Patel Dinesh V Ph D , a net sale of 36,975 shares made by William D. Waddill , and a net sale of 39,624 shares made by Asif Ali .

In summary, during the past 3 months, insiders sold 30,203 shares of Protagonist Therapeutics Inc (PTGX) in total and bought 0 shares, with a net sale of 30,203 shares. During the past 18 months, 248,447 shares of Protagonist Therapeutics Inc (PTGX) were sold and 0 shares were bought by its insiders, resulting in a net sale of 248,447 shares.

Protagonist Therapeutics Inc (PTGX)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Protagonist Therapeutics Inc Insider Transactions

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Lewis T Williams Mailing Address

Above is the net worth, insider trading, and ownership report for Lewis T Williams. You might contact Lewis T Williams via mailing address: C/o Five Prime Therapeutics, Inc., Two Corporate Drive, South San Francisco Ca 94080.

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