John K Clarke - Net Worth and Insider Trading
John K Clarke Net Worth
The estimated net worth of John K Clarke is at least $31 Million dollars as of 2024-05-05. John K Clarke is the Director of Verastem Inc and owns about 2,329,121 shares of Verastem Inc (VSTM) stock worth over $25 Million. John K Clarke is the Director of Momenta Pharmaceuticals Inc and owns about 69,123 shares of Momenta Pharmaceuticals Inc (MNTA) stock worth over $4 Million. John K Clarke is also the Director of Alnylam Pharmaceuticals Inc and owns about 8,891 shares of Alnylam Pharmaceuticals Inc (ALNY) stock worth over $1 Million. Besides these, John K Clarke also holds aTyr Pharma Inc (LIFE) . Details can be seen in John K Clarke's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the assumption that John K Clarke has not made any transactions after 2021-05-21 and currently still holds the listed stock(s).
Transaction Summary of John K Clarke
John K Clarke Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, John K Clarke owns 5 companies in total, including aTyr Pharma Inc (LIFE) , Alnylam Pharmaceuticals Inc (ALNY) , and Momenta Pharmaceuticals Inc (MNTA) among others .
Click here to see the complete history of John K Clarke’s form 4 insider trades.
Insider Ownership Summary of John K Clarke
| Ticker | Comapny | Transaction Date | Type of Owner |
|---|---|---|---|
| LIFE | aTyr Pharma Inc | 2021-05-21 | director |
| ALNY | Alnylam Pharmaceuticals Inc | 2018-05-31 | director |
| MNTA | Momenta Pharmaceuticals Inc | 2015-06-10 | director |
 | | 2013-06-12 | director |
| | 2007-09-25 | 10 percent owner |
John K Clarke Latest Holdings Summary
John K Clarke currently owns a total of 4 stocks. Among these stocks, John K Clarke owns 2,329,121 shares of Verastem Inc (VSTM) as of June 12, 2013, with a value of $25 Million and a weighting of 83.09%. John K Clarke owns 69,123 shares of Momenta Pharmaceuticals Inc (MNTA) as of May 12, 2015, with a value of $4 Million and a weighting of 11.87%. John K Clarke also owns 8,891 shares of Alnylam Pharmaceuticals Inc (ALNY) as of May 31, 2018, with a value of $1 Million and a weighting of 4.43%. The other 1 stocks aTyr Pharma Inc (LIFE) have a combined weighting of 0.61% among all his current holdings.
Latest Holdings of John K Clarke
| Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| VSTM | Verastem Inc | 2013-06-12 | 2,329,121 | 10.90 | 25,387,419 |
| MNTA | Momenta Pharmaceuticals Inc | 2015-05-12 | 69,123 | 52.48 | 3,627,575 |
| ALNY | Alnylam Pharmaceuticals Inc | 2018-05-31 | 8,891 | 152.33 | 1,354,366 |
| LIFE | aTyr Pharma Inc | 2021-05-21 | 115,575 | 1.61 | 186,076 |
Holding Weightings of John K Clarke
John K Clarke Form 4 Trading Tracker
According to the SEC Form 4 filings, John K Clarke has made a total of 0 transactions in Verastem Inc (VSTM) over the past 5 years. The most-recent trade in Verastem Inc is the acquisition of 23,171 shares on June 12, 2013, which cost John K Clarke around $222,442.
According to the SEC Form 4 filings, John K Clarke has made a total of 0 transactions in Momenta Pharmaceuticals Inc (MNTA) over the past 5 years. The most-recent trade in Momenta Pharmaceuticals Inc is the sale of 38,400 shares on May 12, 2015, which brought John K Clarke around $766,464.
According to the SEC Form 4 filings, John K Clarke has made a total of 0 transactions in Alnylam Pharmaceuticals Inc (ALNY) over the past 5 years. The most-recent trade in Alnylam Pharmaceuticals Inc is the sale of 15,000 shares on May 31, 2018, which brought John K Clarke around $2 Million.
More details on John K Clarke's insider transactions can be found in the Insider Trading History of John K Clarke table.Insider Trading History of John K Clarke
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John K Clarke Trading Performance
GuruFocus tracks the stock performance after each of John K Clarke's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by John K Clarke is 34.03%. GuruFocus also compares John K Clarke's trading performance to market benchmark return within the same time period. The performance of stocks bought by John K Clarke within 3 months outperforms 8 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 John K Clarke's insider trading performs compared to the benchmark.
Performance of John K Clarke
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | 18.23 | | | | | |
| Relative Return to S&P 500(%) | 16.85 | | | | | |
John K Clarke Ownership Network
John K Clarke Owned Company Details
What does aTyr Pharma Inc do?
Who are the key executives at aTyr Pharma Inc?
John K Clarke is the director of aTyr Pharma Inc. Other key executives at aTyr Pharma Inc include Chief Financial Officer Jill Marie Broadfoot , Chief Medical Officer Sanjay Shukla , and See Remarks Nancy Krueger .
aTyr Pharma Inc (LIFE) Insider Trades Summary
Over the past 18 months, John K Clarke made no insider transaction in aTyr Pharma Inc (LIFE). Other recent insider transactions involving aTyr Pharma Inc (LIFE) include a net purchase of 55,000 shares made by Sanjay Shukla , a net sale of 3,156 shares made by Jill Marie Broadfoot , and a net purchase of 200,000 shares made by Paul Schimmel .
In summary, during the past 3 months, insiders sold 1,590 shares of aTyr Pharma Inc (LIFE) in total and bought 0 shares, with a net sale of 1,590 shares. During the past 18 months, 3,156 shares of aTyr Pharma Inc (LIFE) were sold and 255,000 shares were bought by its insiders, resulting in a net purchase of 251,844 shares.
aTyr Pharma Inc (LIFE)'s detailed insider trading history can be found in Insider Trading Tracker table.
aTyr Pharma Inc Insider Transactions
John K Clarke Mailing Address
Above is the net worth, insider trading, and ownership report for John K Clarke. You might contact John K Clarke via mailing address: C/o Cardinal Health Partners, 221 Nassau Street, Princeton Nj 08542.
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