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| Insider & restricted shareholder transactions reported over the last two years | |||||
| Date | Shares | Stock | Transaction | ||
| 9-Mar-09 | 10,834 | SIGM | Option Exercise at $3.40 - $9.89 per share. | ||
| 9-Mar-09 | 10,834 | SIGM |
Sale at $14.19 per share. (Proceeds of $153,734) | ||
| 13-Mar-08 | 6,833 | SIGM | Option Exercise at $1.69 - $9.89 per share. | ||
| 13-Mar-08 | 6,833 | SIGM |
Automatic Sale at $22.20 per share. (Proceeds of $151,692) | ||
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