Robert L Demorest - Net Worth and Insider Trading
Robert L Demorest Net Worth
The estimated net worth of Robert L Demorest is at least $7 Million dollars as of 2025-04-26. Robert L Demorest is the Chairman, President and CEO of MOCON Inc and owns about 209,175 shares of MOCON Inc (MOCO) stock worth over $6 Million. Robert L Demorest is also the Director of Marten Transport Ltd and owns about 47,374 shares of Marten Transport Ltd (MRTN) stock worth over $612,072. Details can be seen in Robert L Demorest'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 Robert L Demorest has not made any transactions after 2022-02-23 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Robert L Demorest
Robert L Demorest Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Robert L Demorest owns 2 companies in total, including Marten Transport Ltd (MRTN) , and MOCON Inc (MOCO) .
Click here to see the complete history of Robert L Demorest’s form 4 insider trades.
Insider Ownership Summary of Robert L Demorest
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
MRTN | Marten Transport Ltd | 2022-02-23 | director |
MOCO | MOCON Inc | 2017-06-22 | director & Chairman & President and CEO |
Robert L Demorest Latest Holdings Summary
Robert L Demorest currently owns a total of 2 stocks. Among these stocks, Robert L Demorest owns 209,175 shares of MOCON Inc (MOCO) as of November 14, 2014, with a value of $6 Million and a weighting of 91.11%. Robert L Demorest also owns 47,374 shares of Marten Transport Ltd (MRTN) as of February 23, 2022, with a value of $612,072 and a weighting of 8.89%.
Latest Holdings of Robert L Demorest
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
MOCO | MOCON Inc | 2014-11-14 | 209,175 | 30.00 | 6,275,250 |
MRTN | Marten Transport Ltd | 2022-02-23 | 47,374 | 12.92 | 612,072 |
Holding Weightings of Robert L Demorest
Robert L Demorest Form 4 Trading Tracker
According to the SEC Form 4 filings, Robert L Demorest has made a total of 0 transactions in MOCON Inc (MOCO) over the past 5 years. The most-recent trade in MOCON Inc is the sale of 3,000 shares on November 14, 2014, which brought Robert L Demorest around $49,650.
According to the SEC Form 4 filings, Robert L Demorest has made a total of 2 transactions in Marten Transport Ltd (MRTN) over the past 5 years, including 0 buys and 2 sells. The most-recent trade in Marten Transport Ltd is the sale of 10,313 shares on February 23, 2022, which brought Robert L Demorest around $174,908.
Insider Trading History of Robert L Demorest
- 1
Robert L Demorest Trading Performance
Robert L Demorest Ownership Network
Ownership Network List of Robert L Demorest
Ownership Network Relation of Robert L Demorest

Robert L Demorest Owned Company Details
What does Marten Transport Ltd do?
Who are the key executives at Marten Transport Ltd?
Robert L Demorest is the director of Marten Transport Ltd. Other key executives at Marten Transport Ltd include President Douglas Paul Petit , Exec. VP & Chief Tech. Officer Randall John Baier , and Chief Financial Officer James J Hinnendael .
Marten Transport Ltd (MRTN) Insider Trades Summary
Over the past 18 months, Robert L Demorest made no insider transaction in Marten Transport Ltd (MRTN). Other recent insider transactions involving Marten Transport Ltd (MRTN) include a net purchase of 10,000 shares made by Jerry M Bauer , a net sale of 4,500 shares made by , and a net sale of 4,500 shares made by Douglas Paul Petit .
In summary, during the past 3 months, insiders sold 0 shares of Marten Transport Ltd (MRTN) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 9,000 shares of Marten Transport Ltd (MRTN) were sold and 10,000 shares were bought by its insiders, resulting in a net purchase of 1,000 shares.
Marten Transport Ltd (MRTN)'s detailed insider trading history can be found in Insider Trading Tracker table.
Marten Transport Ltd Insider Transactions
Robert L Demorest Mailing Address
Above is the net worth, insider trading, and ownership report for Robert L Demorest. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Robert L Demorest's mailing address is: Minneapolis Mn 55422.