Mark Gruber - Net Worth and Insider Trading

Mark Gruber Net Worth

The estimated net worth of Mark Gruber is at least $181,576 dollars as of 2025-07-16. Mark Gruber is the CIO of ARMOUR Residential REIT Inc and owns about 10,978 shares of ARMOUR Residential REIT Inc (ARR) stock worth over $181,576. Details can be seen in Mark Gruber'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 Gruber has not made any transactions after 2020-06-15 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

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Transaction Summary of Mark Gruber

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Mark Gruber Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Mark Gruber owns 2 companies in total, including ARMOUR Residential REIT Inc (ARR) , and JAVELIN Mortgage Investment Corp (JMI) .

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

Insider Ownership Summary of Mark Gruber

Ticker Company Transaction Date Type of Owner
ARR ARMOUR Residential REIT Inc 2020-06-15 Chief Operating Officer
JMI JAVELIN Mortgage Investment Corp 2016-04-06 Chief Operating Officer

Mark Gruber Latest Holdings Summary

Mark Gruber currently owns a total of 1 stock. Mark Gruber owns 10,978 shares of ARMOUR Residential REIT Inc (ARR) as of June 15, 2020, with a value of $181,576.

Latest Holdings of Mark Gruber

Ticker Company Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
ARR ARMOUR Residential REIT Inc 2020-06-15 10,978 16.54 181,576

Holding Weightings of Mark Gruber


Mark Gruber Form 4 Trading Tracker

According to the SEC Form 4 filings, Mark Gruber has made a total of 0 transactions in ARMOUR Residential REIT Inc (ARR) over the past 5 years. The most-recent trade in ARMOUR Residential REIT Inc is the acquisition of 600 shares on June 15, 2020, which cost Mark Gruber around $26,400.

Insider Trading History of Mark Gruber

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 Gruber Trading Performance

GuruFocus tracks the stock performance after each of Mark Gruber's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Mark Gruber is 3.02%. GuruFocus also compares Mark Gruber's trading performance to market benchmark return within the same time period. The performance of stocks bought by Mark Gruber within 3 months outperforms 2 times out of 6 transactions in total compared to the return of S&P 500 within the same period.

You can select different timeframes to see how Mark Gruber'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 Gruber

Average Return

LIMIT
Average return per transaction

Outperforming Transactions

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2 out of 6 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(%) 2.37 LIMIT LIMIT LIMIT LIMIT LIMIT
Relative Return to S&P 500(%) 0.8 LIMIT LIMIT LIMIT LIMIT LIMIT

Mark Gruber Ownership Network

Ownership Network List of Mark Gruber

No Data

Ownership Network Relation of Mark Gruber

Insider Network Chart


Mark Gruber Owned Company Details

What does ARMOUR Residential REIT Inc do?

Who are the key executives at ARMOUR Residential REIT Inc?

Mark Gruber is the Chief Operating Officer of ARMOUR Residential REIT Inc. Other key executives at ARMOUR Residential REIT Inc include Chief Financial Officer James R Mountain , director & Co-CEO and President Jeffrey J Zimmer , and director & Co-CEO and CIO Scott Ulm .

ARMOUR Residential REIT Inc (ARR) Insider Trades Summary

Over the past 18 months, Mark Gruber made no insider transaction in ARMOUR Residential REIT Inc (ARR). Other recent insider transactions involving ARMOUR Residential REIT Inc (ARR) include a net sale of 0 shares made by Robert C Hain , a net purchase of 10,000 shares made by Daniel C Staton , and a net purchase of 1,000 shares made by .

In summary, during the past 3 months, insiders sold 0 shares of ARMOUR Residential REIT Inc (ARR) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 2,500 shares of ARMOUR Residential REIT Inc (ARR) were sold and 13,500 shares were bought by its insiders, resulting in a net purchase of 11,000 shares.

ARMOUR Residential REIT Inc (ARR)'s detailed insider trading history can be found in Insider Trading Tracker table.

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ARMOUR Residential REIT Inc Insider Transactions

No Available Data

Mark Gruber Mailing Address

Above is the net worth, insider trading, and ownership report for Mark Gruber. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Mark Gruber's mailing address is: Vero Beach Fl 32963.