Mark Horowitz serves as Executive at RAMBUS INC, where they oversee executive responsibilities. Since joining the company, Mark Horowitz has executed 89 insider transactions totaling $11.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 1, 2011 involved selling 20,000 shares valued at $346.0K.
Mark Horowitz currently holds 781,831 shares of RAMBUS INC (RMBS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark Horowitz has been a net seller of RMBS stock. They have purchased $0 and sold $11.8M worth of shares.
Mark Horowitz's most recent insider trade was on Nov 1, 2011, when they sold 20,000 shares at $17.30 per share.
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| $16.00 |
| Discretionary |
| May 2, 2011 | RMBS | $391.8K | Sale | 20,000 | $19.59 | Discretionary |
| Apr 1, 2011 | RMBS | $392.4K | Sale | 20,000 | $19.62 | Discretionary |
| Mar 15, 2011 | RMBS | $316.0K | Option Exercise | 20,000 | $15.80 | Discretionary |
| Mar 1, 2011 | RMBS | $405.8K | Sale | 20,000 | $20.29 | Discretionary |
| Feb 2, 2011 | RMBS | $9.2K | Payment | 438 | $21.03 | Discretionary |
| Feb 1, 2011 | RMBS | $416.0K | Sale | 20,000 | $20.80 | Discretionary |
| Feb 1, 2011 | RMBS | $7.7K | Payment | 369 | $20.93 | Discretionary |
| Feb 1, 2011 | RMBS | $26.4K | Payment | 1,263 | $20.93 | Discretionary |
| Feb 1, 2011 | RMBS | $0 | Award | 2,000 | $N/A | Discretionary |
| Jan 3, 2011 | RMBS | $413.0K | Sale | 20,000 | $20.65 | Discretionary |
| Dec 1, 2010 | RMBS | $404.0K | Sale | 20,000 | $20.20 | Discretionary |
| Nov 1, 2010 | RMBS | $394.8K | Sale | 20,000 | $19.74 | Discretionary |
| Aug 2, 2010 | RMBS | $390.0K | Sale | 20,000 | $19.50 | Discretionary |
| Jul 1, 2010 | RMBS | $344.8K | Sale | 20,000 | $17.24 | Discretionary |
| Jun 1, 2010 | RMBS | $465.8K | Sale | 20,000 | $23.29 | Discretionary |
| May 3, 2010 | RMBS | $491.8K | Sale | 20,000 | $24.59 | Discretionary |
| Apr 1, 2010 | RMBS | $444.6K | Sale | 20,000 | $22.23 | Discretionary |
| Mar 1, 2010 | RMBS | $442.8K | Sale | 20,000 | $22.14 | Discretionary |
| Feb 2, 2010 | RMBS | $10.6K | Payment | 467 | $22.78 | Discretionary |
| Feb 1, 2010 | RMBS | $0 | Award | 3,500 | $N/A | Discretionary |
| Feb 1, 2010 | RMBS | $30.0K | Payment | 1,320 | $22.72 | Discretionary |
| Feb 1, 2010 | RMBS | $447.2K | Sale | 20,000 | $22.36 | Discretionary |
| Jan 4, 2010 | RMBS | $35.3K | Sale | 1,567 | $22.51 | Discretionary |
| Jan 4, 2010 | RMBS | $25.7K | Sale | 1,100 | $23.32 | Discretionary |
| Jan 4, 2010 | RMBS | $428.6K | Sale | 17,333 | $24.73 | Discretionary |
| Dec 1, 2009 | RMBS | $362.6K | Sale | 20,000 | $18.13 | Discretionary |
| Nov 2, 2009 | RMBS | $319.0K | Sale | 20,000 | $15.95 | Discretionary |
| Oct 1, 2009 | RMBS | $1.8K | Sale | 104 | $17.33 | Discretionary |