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.

Transaction Summary of Mark Horowitz
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
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Mark Horowitz Trading Performance
Mark Horowitz Ownership Network
Ownership Network List of Mark Horowitz
Ownership Network Relation of Mark Horowitz

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.
Rambus Inc Insider Transactions
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.