Mark Horowitz - Net Worth and Insider Trading

Mark Horowitz Net Worth

The estimated net worth of Mark Horowitz is at least $0 dollars as of 2025-04-13. Mark Horowitz is the Director of Rambus Inc and owns about 0 shares of Rambus Inc (RMBS) stock worth over $0. Details can be seen in Mark Horowitz'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 Horowitz has not made any transactions after 2011-05-02 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 Horowitz

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Mark Horowitz Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Mark Horowitz owns 1 companies in total, including Rambus Inc (RMBS) .

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

Insider Ownership Summary of Mark Horowitz

Ticker Comapny Transaction Date Type of Owner
RMBS Rambus Inc 2011-05-02 director

Mark Horowitz Latest Holdings Summary

Mark Horowitz currently owns a total of 1 stock. Mark Horowitz owns 0 shares of Rambus Inc (RMBS) as of May 2, 2011, with a value of $0.

Latest Holdings of Mark Horowitz

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
RMBS Rambus Inc 2011-05-02 0 47.04 0

Holding Weightings of Mark Horowitz


Mark Horowitz Form 4 Trading Tracker

According to the SEC Form 4 filings, Mark Horowitz has made a total of 0 transactions in Rambus Inc (RMBS) over the past 5 years. The most-recent trade in Rambus Inc is the sale of 20,000 shares on May 2, 2011, which brought Mark Horowitz around $391,800.

Insider Trading History of Mark Horowitz

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 Horowitz Trading Performance

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

Mark Horowitz Ownership Network

Ownership Network List of Mark Horowitz

No Data

Ownership Network Relation of Mark Horowitz

Insider Network Chart

Mark Horowitz Owned Company Details

What does Rambus Inc do?

Who are the key executives at Rambus Inc?

Mark Horowitz is the director of Rambus Inc. Other key executives at Rambus Inc include Interim CEO & SVP & GM Luc Seraphin , SVP & General Counsel John Shinn , and SVP & CFO Desmond Lynch .

Rambus Inc (RMBS) Insider Trades Summary

Over the past 18 months, Mark Horowitz made no insider transaction in Rambus Inc (RMBS). Other recent insider transactions involving Rambus Inc (RMBS) include a net sale of 135,530 shares made by Luc Seraphin , a net sale of 33,440 shares made by John Shinn , and a net sale of 127,005 shares made by Xianzhi Sean Fan .

In summary, during the past 3 months, insiders sold 115,960 shares of Rambus Inc (RMBS) in total and bought 0 shares, with a net sale of 115,960 shares. During the past 18 months, 366,046 shares of Rambus Inc (RMBS) were sold and 0 shares were bought by its insiders, resulting in a net sale of 366,046 shares.

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

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Rambus Inc Insider Transactions

No Available Data

Mark Horowitz Mailing Address

Above is the net worth, insider trading, and ownership report for Mark Horowitz. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Mark Horowitz's mailing address is: Sunnyvale Ca 94089.