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 May 5, 2008 involved selling 1,000 shares valued at $23.4K.
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 May 5, 2008, when they sold 1,000 shares at $23.41 per share.
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| $23.42 |
| Discretionary |
| May 5, 2008 | RMBS | $18.7K | Sale | 800 | $23.43 | Discretionary |
| May 5, 2008 | RMBS | $21.1K | Sale | 900 | $23.44 | Discretionary |
| May 5, 2008 | RMBS | $42.2K | Sale | 1,800 | $23.45 | Discretionary |
| May 5, 2008 | RMBS | $32.8K | Sale | 1,400 | $23.46 | Discretionary |
| May 5, 2008 | RMBS | $37.3K | Sale | 1,590 | $23.47 | Discretionary |
| May 5, 2008 | RMBS | $30.8K | Sale | 1,310 | $23.48 | Discretionary |
| May 5, 2008 | RMBS | $4.7K | Sale | 200 | $23.49 | Discretionary |
| May 5, 2008 | RMBS | $23.5K | Sale | 1,000 | $23.50 | Discretionary |
| May 5, 2008 | RMBS | $4.7K | Sale | 200 | $23.51 | Discretionary |
| May 5, 2008 | RMBS | $4.7K | Sale | 200 | $23.52 | Discretionary |
| May 5, 2008 | RMBS | $4.7K | Sale | 200 | $23.53 | Discretionary |
| May 5, 2008 | RMBS | $23.5K | Sale | 1,000 | $23.54 | Discretionary |
| May 5, 2008 | RMBS | $37.7K | Sale | 1,600 | $23.55 | Discretionary |
| May 5, 2008 | RMBS | $33.0K | Sale | 1,400 | $23.57 | Discretionary |
| May 5, 2008 | RMBS | $9.4K | Sale | 400 | $23.58 | Discretionary |
| May 5, 2008 | RMBS | $18.6K | Sale | 799 | $23.32 | Discretionary |
| May 5, 2008 | RMBS | $7.0K | Sale | 300 | $23.33 | Discretionary |
| May 5, 2008 | RMBS | $18.9K | Sale | 800 | $23.59 | Discretionary |
| May 5, 2008 | RMBS | $44.4K | Sale | 1,900 | $23.35 | Discretionary |
| May 5, 2008 | RMBS | $37.3K | Sale | 1,600 | $23.30 | Discretionary |
| May 5, 2008 | RMBS | $13.9K | Sale | 600 | $23.15 | Discretionary |
| May 5, 2008 | RMBS | $9.3K | Sale | 400 | $23.16 | Discretionary |
| May 5, 2008 | RMBS | $23.2K | Sale | 1,000 | $23.17 | Discretionary |
| May 5, 2008 | RMBS | $44.0K | Sale | 1,900 | $23.18 | Discretionary |
| May 5, 2008 | RMBS | $46.4K | Sale | 2,000 | $23.19 | Discretionary |
| May 5, 2008 | RMBS | $30.2K | Sale | 1,300 | $23.20 | Discretionary |
| May 5, 2008 | RMBS | $58.0K | Sale | 2,500 | $23.21 | Discretionary |
| May 5, 2008 | RMBS | $48.8K | Sale | 2,100 | $23.22 | Discretionary |