George F Tidmarsh - Net Worth and Insider Trading
George F Tidmarsh Net Worth
The estimated net worth of George F Tidmarsh is at least $8 Million dollars as of 2025-04-26. George F Tidmarsh is the President, CEO & Secretary of La Jolla Pharmaceutical Co and owns about 1,305,326 shares of La Jolla Pharmaceutical Co (LJPC) stock worth over $8 Million. George F Tidmarsh is the CSO AND HEAD OF R&D OPERATIONS of Spectrum Pharmaceuticals Inc and owns about 20,000 shares of Spectrum Pharmaceuticals Inc (SPPI) stock worth over $20,600. George F Tidmarsh is also the Director of Revelation Biosciences Inc and owns about 88 shares of Revelation Biosciences Inc (REVB) stock worth over $257. Besides these, George F Tidmarsh also holds Molecular Templates Inc (MTEM) . Details can be seen in George F Tidmarsh'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 George F Tidmarsh has not made any transactions after 2023-12-08 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of George F Tidmarsh
George F Tidmarsh Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, George F Tidmarsh owns 6 companies in total, including Odonate Inc (ODTC) , La Jolla Pharmaceutical Co (LJPC) , and Anavex Life Sciences Corp (AVXL) among others .
Click here to see the complete history of George F Tidmarsh’s form 4 insider trades.
Insider Ownership Summary of George F Tidmarsh
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
ODTC | Odonate Inc | 2017-12-06 | director |
LJPC | La Jolla Pharmaceutical Co | 2019-01-07 | director & President & CEO & Secretary |
AVXL | Anavex Life Sciences Corp | 2011-10-10 | director & Executive Director |
![]() | ![]() | 2010-08-13 | CSO AND HEAD OF R&D OPERATIONS |
![]() | ![]() | 2005-03-11 | director & Founder and President |
![]() | ![]() | 2023-12-08 | director & 10 percent owner |
George F Tidmarsh Latest Holdings Summary
George F Tidmarsh currently owns a total of 4 stocks. Among these stocks, George F Tidmarsh owns 1,305,326 shares of La Jolla Pharmaceutical Co (LJPC) as of January 7, 2019, with a value of $8 Million and a weighting of 99.74%. George F Tidmarsh owns 20,000 shares of Spectrum Pharmaceuticals Inc (SPPI) as of August 13, 2010, with a value of $20,600 and a weighting of 0.25%. George F Tidmarsh also owns 88 shares of Revelation Biosciences Inc (REVB) as of December 8, 2023, with a value of $257 and a weighting of 0%. The other 1 stocks Molecular Templates Inc (MTEM) have a combined weighting of 0% among all his current holdings.
Latest Holdings of George F Tidmarsh
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
LJPC | La Jolla Pharmaceutical Co | 2019-01-07 | 1,305,326 | 6.22 | 8,119,128 |
SPPI | Spectrum Pharmaceuticals Inc | 2010-08-13 | 20,000 | 1.03 | 20,600 |
REVB | Revelation Biosciences Inc | 2023-12-08 | 88 | 2.92 | 257 |
MTEM | Molecular Templates Inc | 2005-03-11 | 1,008 | 0.00 | 0 |
Holding Weightings of George F Tidmarsh
George F Tidmarsh Form 4 Trading Tracker
According to the SEC Form 4 filings, George F Tidmarsh has made a total of 0 transactions in La Jolla Pharmaceutical Co (LJPC) over the past 5 years. The most-recent trade in La Jolla Pharmaceutical Co is the acquisition of 2,000 shares on January 7, 2019, which cost George F Tidmarsh around $11,700.
According to the SEC Form 4 filings, George F Tidmarsh has made a total of 0 transactions in Spectrum Pharmaceuticals Inc (SPPI) over the past 5 years. The most-recent trade in Spectrum Pharmaceuticals Inc is the acquisition of 5,000 shares on August 13, 2010, which cost George F Tidmarsh around $20,150.
According to the SEC Form 4 filings, George F Tidmarsh has made a total of 9 transactions in Revelation Biosciences Inc (REVB) over the past 5 years, including 4 buys and 5 sells. The most-recent trade in Revelation Biosciences Inc is the sale of 58 shares on December 8, 2023, which brought George F Tidmarsh around $14,441.
More details on George F Tidmarsh's insider transactions can be found in the Insider Trading History of George F Tidmarsh table.Insider Trading History of George F Tidmarsh
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George F Tidmarsh Trading Performance
GuruFocus tracks the stock performance after each of George F Tidmarsh's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by George F Tidmarsh is -12.24%. GuruFocus also compares George F Tidmarsh's trading performance to market benchmark return within the same time period. The performance of stocks bought by George F Tidmarsh within 3 months outperforms 4 times out of 10 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how George F Tidmarsh's insider trading performs compared to the benchmark.
Performance of George F Tidmarsh
George F Tidmarsh Ownership Network
Ownership Network List of George F Tidmarsh
Ownership Network Relation of George F Tidmarsh

George F Tidmarsh Owned Company Details
What does Odonate Inc do?
Who are the key executives at Odonate Inc?
George F Tidmarsh is the director of Odonate Inc. Other key executives at Odonate Inc include 10 percent owner Ecor1 Capital, Llc , director & 10 percent owner Boxer Capital, Llc , and director & 10 percent owner & Chief Executive Officer Kevin C Tang .
Odonate Inc (ODTC) Insider Trades Summary
In summary, during the past 3 months, insiders sold 0 shares of Odonate Inc (ODTC) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Odonate Inc (ODTC) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.
Odonate Inc (ODTC)'s detailed insider trading history can be found in Insider Trading Tracker table.
Odonate Inc Insider Transactions
George F Tidmarsh Mailing Address
Above is the net worth, insider trading, and ownership report for George F Tidmarsh. Currently GuruFocus does not have mailing address information for George F Tidmarsh.