Mark N. Tompkins - Net Worth and Insider Trading

Mark N. Tompkins Net Worth

The estimated net worth of Mark N. Tompkins is at least $10 Million dollars as of 2024-11-29. Mark N. Tompkins is the 10% Owner of Aeluma Inc and owns about 2,715,833 shares of Aeluma Inc (ALMU) stock worth over $9 Million. Mark N. Tompkins is the 10% Owner of Amesite Inc and owns about 174,702 shares of Amesite Inc (AMST) stock worth over $424,526. 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 $219,808. 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 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 Mark N. Tompkins has not made any transactions after 2022-12-22 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Mark N. Tompkins

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
		2017-05-20	director & 10 percent owner
		2018-07-29	director & 10 percent owner
		2019-05-13	director & 10 percent owner
		2021-02-23	other: Former Director and 10% Owner
		2021-03-05	director & 10 percent owner
		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 2,715,833 shares of Aeluma Inc (ALMU) as of December 22, 2022, with a value of $9 Million and a weighting of 93.39%. Mark N. Tompkins owns 174,702 shares of Amesite Inc (AMST) as of May 27, 2021, with a value of $424,526 and a weighting of 4.36%. Mark N. Tompkins also owns 2,174,160 shares of Akoustis Technologies Inc (AKTS) as of December 28, 2017, with a value of $219,808 and a weighting of 2.26%.

Latest Holdings of Mark N. Tompkins

Ticker	Comapny	Latest Transaction Date	Shares Owned	Current Price ($)	Current Value ($)
ALMU	Aeluma Inc	2022-12-22	2,715,833	3.35	9,098,041
AMST	Amesite Inc	2021-05-27	174,702	2.43	424,526
AKTS	Akoustis Technologies Inc	2017-12-28	2,174,160	0.10	219,808

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 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 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 3,958 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 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

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

Average return per transaction

Outperforming Transactions

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
Relative Return to S&P 500(%)	-4.13

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 10,000 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 10,000 shares were bought by its insiders, resulting in a net purchase of 10,000 shares.

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

Amesite Inc Insider Transactions

No Available Data

What does Transphorm Inc do?

Who are the key executives at Transphorm Inc?

Mark N. Tompkins is the director & 10 percent owner of Transphorm Inc. Other key executives at Transphorm Inc include 10 percent owner Kkr Phorm Investors L.p. , Chief Operating Officer Primit Parikh , and director & Chief Executive Officer Mario Rivas .

Transphorm Inc (TGAN) Insider Trades Summary

Over the past 18 months, Mark N. Tompkins made no insider transaction in Transphorm Inc (TGAN). Other recent insider transactions involving Transphorm Inc (TGAN) include a net sale of 14,352 shares made by Kelly Smales , a net sale of 13,179 shares made by Katharina G. Mcfarland , and a net sale of 22,675,980 shares made by Kkr Phorm Investors L.p. .

In summary, during the past 3 months, insiders sold 0 shares of Transphorm Inc (TGAN) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 24,445,499 shares of Transphorm Inc (TGAN) were sold and 1,735,988 shares were bought by its insiders, resulting in a net sale of 22,709,511 shares.

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

Transphorm Inc Insider Transactions

No Available Data

What does Akoustis Technologies Inc do?

Who are the key executives at Akoustis Technologies Inc?

Mark N. Tompkins is the 10 percent owner of Akoustis Technologies Inc. Other key executives at Akoustis Technologies Inc include director & 10 percent owner & Chief Executive Officer Jeffrey B. Shealy , VP of Business Development David Aichele , and Interim CFO Kenneth Boller .

Akoustis Technologies Inc (AKTS) Insider Trades Summary

Over the past 18 months, Mark N. Tompkins made no insider transaction in Akoustis Technologies Inc (AKTS). Other recent insider transactions involving Akoustis Technologies Inc (AKTS) include a net purchase of 70,600 shares made by David Aichele , a net purchase of 53,200 shares made by Kenneth Boller , and a net purchase of 1,310,000 shares made by Jeffrey B. Shealy .

In summary, during the past 3 months, insiders sold 0 shares of Akoustis Technologies Inc (AKTS) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 23,200 shares of Akoustis Technologies Inc (AKTS) were sold and 1,500,000 shares were bought by its insiders, resulting in a net purchase of 1,476,800 shares.

Akoustis Technologies Inc (AKTS)'s detailed insider trading history can be found in Insider Trading Tracker table.

Akoustis Technologies Inc Insider Transactions

No Available Data

What does Exicure Inc do?

Who are the key executives at Exicure Inc?

Mark N. Tompkins is the director & 10 percent owner of Exicure Inc. Other key executives at Exicure Inc include 10 percent owner Dgp Co., Ltd. , director & Chief Executive Officer & CFO Josh Miller , and director & Chief Executive Officer & CFO Jung Sang Kim .

Exicure Inc (XCUR) Insider Trades Summary

Over the past 18 months, Mark N. Tompkins made no insider transaction in Exicure Inc (XCUR). Other recent insider transactions involving Exicure Inc (XCUR) include a net sale of 3,162,777 shares made by Dgp Co., Ltd. ,

In summary, during the past 3 months, insiders sold 0 shares of Exicure Inc (XCUR) in total and bought 237,223 shares, with a net purchase of 237,223 shares. During the past 18 months, 680,000 shares of Exicure Inc (XCUR) were sold and 237,223 shares were bought by its insiders, resulting in a net sale of 442,777 shares.

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

Exicure Inc Insider Transactions

No Available Data

What does Compass Therapeutics Inc do?

Who are the key executives at Compass Therapeutics Inc?

Mark N. Tompkins is the director & 10 percent owner of Compass Therapeutics Inc. Other key executives at Compass Therapeutics Inc include director & Chief Executive Officer Thomas J. Schuetz , Chief Operating Officer Vered Bisker-leib , and director & 10 percent owner Orbimed Advisors Llc .

Compass Therapeutics Inc (CMPX) Insider Trades Summary

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

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

Compass Therapeutics Inc Insider Transactions

No Available Data

What does Augmedix Inc do?

Who are the key executives at Augmedix Inc?

Mark N. Tompkins is the director & 10 percent owner of Augmedix Inc. Other key executives at Augmedix Inc include Chief Revenue Officer Jonathan Hawkins , CHIEF OPERATING OFFICER Sandra Breber , and CHIEF STRATEGY OFFICER Ian Shakil .

Augmedix Inc (AUGX) Insider Trades Summary

Over the past 18 months, Mark N. Tompkins made no insider transaction in Augmedix Inc (AUGX). Other recent insider transactions involving Augmedix Inc (AUGX) include a net sale of 474,775 shares made by Ian Shakil , a net purchase of 7,646 shares made by Paul Ginocchio , and a net purchase of 1,500,000 shares made by Redmile Group, Llc .

In summary, during the past 3 months, insiders sold 0 shares of Augmedix Inc (AUGX) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 486,545 shares of Augmedix Inc (AUGX) were sold and 1,536,530 shares were bought by its insiders, resulting in a net purchase of 1,049,985 shares.

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

Augmedix Inc Insider Transactions

No Available Data

What does SmartKem Inc do?

Who are the key executives at SmartKem Inc?

Mark N. Tompkins is the other: Former Director and 10% Owner of SmartKem Inc. Other key executives at SmartKem Inc include Chief Accounting Officer Nigel Prue , director & Chief Financial Officer Robert Bahns , and director & Chairman & CEO Ian Jenks .

SmartKem Inc (SMTK) Insider Trades Summary

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

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

SmartKem Inc Insider Transactions

No Available Data

What does Guerrilla RF Inc do?

Who are the key executives at Guerrilla RF Inc?

Mark N. Tompkins is the director & 10 percent owner of Guerrilla RF Inc. Other key executives at Guerrilla RF Inc include director & 10 percent owner & Chief Executive Officer Ryan Michael Pratt , 10 percent owner Salem Investment Partners V, Limited Partnership , and Chief Operating Officer Mark Alan Mason .

Guerrilla RF Inc (GUER) Insider Trades Summary

Over the past 18 months, Mark N. Tompkins made no insider transaction in Guerrilla RF Inc (GUER). Other recent insider transactions involving Guerrilla RF Inc (GUER) include a net purchase of 34,882 shares made by Ryan Michael Pratt , a net purchase of 416 shares made by William J Pratt , and a net purchase of 1,666 shares made by Dunn James E. Jr. .

In summary, during the past 3 months, insiders sold 0 shares of Guerrilla RF Inc (GUER) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Guerrilla RF Inc (GUER) were sold and 37,189 shares were bought by its insiders, resulting in a net purchase of 37,189 shares.

Guerrilla RF Inc (GUER)'s detailed insider trading history can be found in Insider Trading Tracker table.

Guerrilla RF Inc Insider Transactions

No Available Data

What does Aeluma Inc do?

Who are the key executives at Aeluma Inc?

Mark N. Tompkins is the director & 10 percent owner of Aeluma Inc. Other key executives at Aeluma Inc include director & 10 percent owner & CEO Jonathan Klamkin , director & 10 percent owner & CFO & COO Lee Mccarthy , and director & President & Secretary & CEO & CFO Ian Seth Jacobs .

Aeluma Inc (ALMU) Insider Trades Summary

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

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

Aeluma 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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