Mark N. Tompkins - Net Worth and Insider Trading

Mark N. Tompkins Net Worth

The estimated net worth of Mark N. Tompkins is at least $15 Million dollars as of 2024-04-25. Mark N. Tompkins is the 10% Owner of Amesite Inc and owns about 2,096,419 shares of Amesite Inc (AMST) stock worth over $7 Million. Mark N. Tompkins is the 10% Owner of Aeluma Inc and owns about 2,715,833 shares of Aeluma Inc (ALMU) stock worth over $7 Million. Mark N. Tompkins is also the 10% Owner of Akoustis Technologies Inc and owns about 2,174,160 shares of Akoustis Technologies Inc (AKTS) stock worth over $1 Million. Details can be seen in Mark N. Tompkins's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the assumption that Mark N. Tompkins has not made any transactions after 2022-12-22 and currently still holds the listed stock(s).

Transaction Summary of Mark N. Tompkins

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Mark N. Tompkins Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Mark N. Tompkins owns 9 companies in total, including Amesite Inc (AMST) , Transphorm Inc (TGAN) , and Akoustis Technologies Inc (AKTS) among others .

Click here to see the complete history of Mark N. Tompkins’s form 4 insider trades.

Insider Ownership Summary of Mark N. Tompkins

Ticker Comapny Transaction Date Type of Owner
AMST Amesite Inc 2021-05-27 10 percent owner
TGAN Transphorm Inc 2017-10-28 director & 10 percent owner
AKTS Akoustis Technologies Inc 2017-12-28 10 percent owner
XCUR Exicure Inc 2017-05-20 director & 10 percent owner
CMPX Compass Therapeutics Inc 2018-07-29 director & 10 percent owner
AUGX Augmedix Inc 2019-05-13 director & 10 percent owner
SMTK SmartKem Inc 2021-02-23 other: Former Director and 10% Owner
GUER Guerrilla RF Inc 2021-03-05 director & 10 percent owner
ALMU Aeluma Inc 2022-12-22 director & 10 percent owner

Mark N. Tompkins Latest Holdings Summary

Mark N. Tompkins currently owns a total of 3 stocks. Among these stocks, Mark N. Tompkins owns 2,096,419 shares of Amesite Inc (AMST) as of May 27, 2021, with a value of $7 Million and a weighting of 47.61%. Mark N. Tompkins owns 2,715,833 shares of Aeluma Inc (ALMU) as of December 22, 2022, with a value of $7 Million and a weighting of 44.41%. Mark N. Tompkins also owns 2,174,160 shares of Akoustis Technologies Inc (AKTS) as of December 28, 2017, with a value of $1 Million and a weighting of 7.98%.

Latest Holdings of Mark N. Tompkins

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
AMST Amesite Inc 2021-05-27 2,096,419 3.50 7,337,467
ALMU Aeluma Inc 2022-12-22 2,715,833 2.52 6,843,899
AKTS Akoustis Technologies Inc 2017-12-28 2,174,160 0.57 1,230,140

Holding Weightings of Mark N. Tompkins


Mark N. Tompkins Form 4 Trading Tracker

According to the SEC Form 4 filings, Mark N. Tompkins has made a total of 15 transactions in Amesite Inc (AMST) over the past 5 years, including 2 buys and 13 sells. The most-recent trade in Amesite Inc is the sale of 47,497 shares on May 27, 2021, which brought Mark N. Tompkins around $109,243.

According to the SEC Form 4 filings, Mark N. Tompkins has made a total of 1 transactions in Aeluma Inc (ALMU) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in Aeluma Inc is the acquisition of 83,333 shares on December 22, 2022, which cost Mark N. Tompkins around $249,999.

According to the SEC Form 4 filings, Mark N. Tompkins has made a total of 0 transactions in Akoustis Technologies Inc (AKTS) over the past 5 years. The most-recent trade in Akoustis Technologies Inc is the sale of 30,581 shares on December 28, 2017, which brought Mark N. Tompkins around $187,767.

Insider Trading History of Mark N. Tompkins

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.

Mark N. Tompkins Trading Performance

GuruFocus tracks the stock performance after each of Mark N. Tompkins's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Mark N. Tompkins is 15.1%. GuruFocus also compares Mark N. Tompkins's trading performance to market benchmark return within the same time period. The performance of stocks bought by Mark N. Tompkins within 3 months outperforms 1 times out of 3 transactions in total compared to the return of S&P 500 within the same period.

You can select different timeframes to see how Mark N. Tompkins's insider trading performs compared to the benchmark.

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

Performance of Mark N. Tompkins

Average Return

-28.98%

Average return per transaction

Outperforming Transactions

33%

1 out of 3 outperforming transactions.
Each transaction is measured over a period and compared to .
1 Month 3 Months 6 Months 1 Year 2 Years 3 Years
Return(%) -4.89 15.1 16.21 -28.98 -75.73 -63.85
Relative Return to S&P 500(%) -4.13 6.27 -1.37 -57.57 -80.2 -72.58

Mark N. Tompkins Ownership Network

Ownership Network List of Mark N. Tompkins

No Data

Ownership Network Relation of Mark N. Tompkins


Mark N. Tompkins Owned Company Details

What does Amesite Inc do?

Who are the key executives at Amesite Inc?

Mark N. Tompkins is the 10 percent owner of Amesite Inc. Other key executives at Amesite Inc include director & Chief Executive Officer Ann Marie Sastry , Chief Financial Officer Sherrie Farrell , and Chief Financial Officer Mark Corrao .

Amesite Inc (AMST) Insider Trades Summary

Over the past 18 months, Mark N. Tompkins made no insider transaction in Amesite Inc (AMST). Other recent insider transactions involving Amesite Inc (AMST) include a net purchase of 51,019 shares made by Ann Marie Sastry ,

In summary, during the past 3 months, insiders sold 0 shares of Amesite Inc (AMST) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Amesite Inc (AMST) were sold and 51,019 shares were bought by its insiders, resulting in a net purchase of 51,019 shares.

Amesite Inc (AMST)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Amesite Inc Insider Transactions

No Available Data

Mark N. Tompkins Mailing Address

Above is the net worth, insider trading, and ownership report for Mark N. Tompkins. You might contact Mark N. Tompkins via mailing address: App. 1, Via Guidino 23, Lugano-paradiso V8 6900.

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