Walter Amaral serves as Executive at SIRF TECHNOLOGY HOLDINGS INC, where they oversee executive responsibilities. Since joining the company, Walter Amaral has executed 127 insider transactions totaling $9.0M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 6, 2006 involved exercising options for 19,406 shares valued at $43.7K.
Walter Amaral currently holds 437,186 shares of SIRF TECHNOLOGY HOLDINGS INC (SIRF), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Walter Amaral has been a net seller of SIRF stock. They have purchased $0 and sold $9.0M worth of shares.
Walter Amaral's most recent insider trade was on Feb 6, 2006, when they sold 19,406 shares at $2.25 per share.
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| $36.06 |
| Discretionary |
| Feb 6, 2006 | SIRF | $1.1K | Option Exercise | 500 | $2.25 | Discretionary |
| Feb 6, 2006 | SIRF | $360.5K | Sale | 10,000 | $36.05 | Discretionary |
| Feb 6, 2006 | SIRF | $22.5K | Option Exercise | 10,000 | $2.25 | Discretionary |
| Feb 6, 2006 | SIRF | $90.1K | Sale | 2,500 | $36.04 | Discretionary |
| Feb 6, 2006 | SIRF | $5.6K | Option Exercise | 2,500 | $2.25 | Discretionary |
| Feb 6, 2006 | SIRF | $90.1K | Sale | 2,500 | $36.03 | Discretionary |
| Feb 6, 2006 | SIRF | $5.6K | Option Exercise | 2,500 | $2.25 | Discretionary |
| Feb 6, 2006 | SIRF | $180.1K | Sale | 5,000 | $36.01 | Discretionary |
| Feb 6, 2006 | SIRF | $11.3K | Option Exercise | 5,000 | $2.25 | Discretionary |
| Feb 6, 2006 | SIRF | $720.0K | Sale | 20,000 | $36.00 | Discretionary |
| Feb 6, 2006 | SIRF | $45.0K | Option Exercise | 20,000 | $2.25 | Discretionary |
| Feb 6, 2006 | SIRF | $359.7K | Sale | 10,000 | $35.97 | Discretionary |
| Feb 6, 2006 | SIRF | $22.5K | Option Exercise | 10,000 | $2.25 | Discretionary |
| Feb 6, 2006 | SIRF | $71.9K | Sale | 2,000 | $35.95 | Discretionary |
| Feb 6, 2006 | SIRF | $4.5K | Option Exercise | 2,000 | $2.25 | Discretionary |
| Feb 6, 2006 | SIRF | $808.6K | Sale | 22,500 | $35.94 | Discretionary |
| Feb 6, 2006 | SIRF | $50.6K | Option Exercise | 22,500 | $2.25 | Discretionary |
| Feb 6, 2006 | SIRF | $18.2K | Sale | 500 | $36.36 | Discretionary |
| Feb 6, 2006 | SIRF | $11.3K | Option Exercise | 5,000 | $2.25 | Discretionary |
| Feb 6, 2006 | SIRF | $181.3K | Sale | 5,000 | $36.27 | Discretionary |
| Feb 6, 2006 | SIRF | $2.3K | Option Exercise | 1,000 | $2.25 | Discretionary |
| Feb 6, 2006 | SIRF | $36.3K | Sale | 1,000 | $36.30 | Discretionary |
| Feb 6, 2006 | SIRF | $405 | Option Exercise | 180 | $2.25 | Discretionary |
| Feb 6, 2006 | SIRF | $6.5K | Sale | 180 | $36.32 | Discretionary |
| Feb 6, 2006 | SIRF | $23.3K | Option Exercise | 5,820 | $4.00 | Discretionary |
| Feb 6, 2006 | SIRF | $211.4K | Sale | 5,820 | $36.32 | Discretionary |
| Feb 6, 2006 | SIRF | $4.0K | Option Exercise | 1,000 | $4.00 | Discretionary |
| Feb 6, 2006 | SIRF | $156.4K | Option Exercise | 12,500 | $12.51 | Discretionary |