John F Thero - Net Worth and Insider Trading
John F Thero Net Worth
The estimated net worth of John F Thero is at least $1 Million dollars as of 2024-12-27. John F Thero is the President and CEO of Amarin Corp PLC and owns about 2,739,000 shares of Amarin Corp PLC (AMRN) stock worth over $1 Million. John F Thero is also the Director of Cyteir Therapeutics Inc and owns about 10,000 shares of Cyteir Therapeutics Inc (CYTT) stock worth over $30,100. Details can be seen in John F Thero'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 John F Thero has not made any transactions after 2022-05-10 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of John F Thero
John F Thero Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, John F Thero owns 5 companies in total, including Amarin Corp PLC (AMRN) , Chiasma Inc (CHMA) , and Acusphere Inc (ACUS) among others .
Click here to see the complete history of John F Thero’s form 4 insider trades.
Insider Ownership Summary of John F Thero
| Ticker | Comapny | Transaction Date | Type of Owner |
|---|---|---|---|
| AMRN | Amarin Corp PLC | 2020-11-11 | President |
| CHMA | Chiasma Inc | 2020-06-11 | director |
| ACUS | Acusphere Inc | 2007-08-28 | other: Former Senior VP/CFO |
 | | 2022-05-10 | director |
| | 2022-01-06 | director |
John F Thero Latest Holdings Summary
John F Thero currently owns a total of 2 stocks. Among these stocks, John F Thero owns 2,739,000 shares of Amarin Corp PLC (AMRN) as of November 11, 2020, with a value of $1 Million and a weighting of 97.61%. John F Thero also owns 10,000 shares of Cyteir Therapeutics Inc (CYTT) as of May 10, 2022, with a value of $30,100 and a weighting of 2.39%.
Latest Holdings of John F Thero
| Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| AMRN | Amarin Corp PLC | 2020-11-11 | 2,739,000 | 0.45 | 1,228,989 |
| CYTT | Cyteir Therapeutics Inc | 2022-05-10 | 10,000 | 3.01 | 30,100 |
Holding Weightings of John F Thero
John F Thero Form 4 Trading Tracker
According to the SEC Form 4 filings, John F Thero has made a total of 2 transactions in Amarin Corp PLC (AMRN) over the past 5 years, including 0 buys and 2 sells. The most-recent trade in Amarin Corp PLC is the sale of 567,405 shares on November 11, 2020, which brought John F Thero around $2 Million.
According to the SEC Form 4 filings, John F Thero has made a total of 1 transactions in Cyteir Therapeutics Inc (CYTT) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in Cyteir Therapeutics Inc is the acquisition of 10,000 shares on May 10, 2022, which cost John F Thero around $20,000.
Insider Trading History of John F Thero
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John F Thero Trading Performance
GuruFocus tracks the stock performance after each of John F Thero's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by John F Thero is 13.76%. GuruFocus also compares John F Thero's trading performance to market benchmark return within the same time period. The performance of stocks bought by John F Thero 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 John F Thero's insider trading performs compared to the benchmark.
Performance of John F Thero
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | 11.12 | | | | | |
| Relative Return to S&P 500(%) | 12.48 | | | | | |
John F Thero Ownership Network
John F Thero Owned Company Details
What does Amarin Corp PLC do?
Who are the key executives at Amarin Corp PLC?
John F Thero is the President of Amarin Corp PLC. Other key executives at Amarin Corp PLC include EVP & President US Aaron Berg , director & See Remarks Patrick Holt , and Chief Scientific Officer Steven B Ketchum .
Amarin Corp PLC (AMRN) Insider Trades Summary
Over the past 18 months, John F Thero made no insider transaction in Amarin Corp PLC (AMRN). Other recent insider transactions involving Amarin Corp PLC (AMRN) include a net purchase of 314,426 shares made by Patrick Holt , a net purchase of 160,000 shares made by Aaron Berg , and a net sale of 34,131 shares made by Steven B Ketchum .
In summary, during the past 3 months, insiders sold 0 shares of Amarin Corp PLC (AMRN) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 34,131 shares of Amarin Corp PLC (AMRN) were sold and 474,426 shares were bought by its insiders, resulting in a net purchase of 440,295 shares.
Amarin Corp PLC (AMRN)'s detailed insider trading history can be found in Insider Trading Tracker table.
Amarin Corp PLC Insider Transactions
John F Thero Mailing Address
Above is the net worth, insider trading, and ownership report for John F Thero. You might contact John F Thero via mailing address: C/o Amarin Pharma, Inc., 1430 Route 6, Bedminster Nj 07921.
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