| 30 Aug 2012 | SALE | SIGMATRON INTERNATIONAL INC | 3,613 | 3.77 USD | |
| 28 Aug 2012 | SALE | SIGMATRON INTERNATIONAL INC | 850 | 3.83 USD | |
| 29 Aug 2012 | SALE | SIGMATRON INTERNATIONAL INC | 750 | 3.75 USD | |
| 09 Aug 2012 | SALE | SIGMATRON INTERNATIONAL INC | 477 | 3.75 USD | |
| 08 Aug 2012 | SALE | SIGMATRON INTERNATIONAL INC | 300 | 3.75 USD | |
| 06 Aug 2012 | SALE | SIGMATRON INTERNATIONAL INC | 300 | 3.76 USD | |
| 13 Jul 2012 | SALE | SIGMATRON INTERNATIONAL INC | 351 | 3.77 USD | |
| 18 Jun 2012 | SALE | SIGMATRON INTERNATIONAL INC | 50 | 3.75 USD | |
| 15 Jun 2012 | SALE | SIGMATRON INTERNATIONAL INC | 50 | 3.75 USD | |
| 13 Jun 2012 | SALE | SIGMATRON INTERNATIONAL INC | 50 | 3.86 USD | |
| 11 Jun 2012 | SALE | SIGMATRON INTERNATIONAL INC | 50 | 3.75 USD | |
| 07 Jun 2012 | SALE | SIGMATRON INTERNATIONAL INC | 175 | 3.75 USD | |
| 05 Jun 2012 | SALE | SIGMATRON INTERNATIONAL INC | 532 | 3.80 USD | |
| 14 Feb 2012 | SALE | SIGMATRON INTERNATIONAL INC | 5,712 | 3.75 USD | |
| 13 Feb 2012 | SALE | SIGMATRON INTERNATIONAL INC | 3,050 | 3.75 USD | |
| 09 Feb 2012 | SALE | SIGMATRON INTERNATIONAL INC | 325 | 3.75 USD | |
| 07 Feb 2012 | SALE | SIGMATRON INTERNATIONAL INC | 654 | 3.75 USD | |
| 03 Feb 2012 | SALE | SIGMATRON INTERNATIONAL INC | 2,812 | 3.76 USD | |
| 01 Feb 2012 | SALE | SIGMATRON INTERNATIONAL INC | 2,930 | 3.75 USD | |
| 02 Feb 2012 | SALE | SIGMATRON INTERNATIONAL INC | 1,000 | 3.75 USD | |
| 30 Jan 2012 | SALE | SIGMATRON INTERNATIONAL INC | 1,950 | 3.75 USD | |
| 27 Jan 2012 | SALE | SIGMATRON INTERNATIONAL INC | 912 | 3.75 USD | |
| 24 Oct 2011 | SALE | SIGMATRON INTERNATIONAL INC | 15,879 | 3.61 USD | |
| 25 Oct 2011 | SALE | SIGMATRON INTERNATIONAL INC | 452 | 3.61 USD | |
| 19 Oct 2011 | SALE | SIGMATRON INTERNATIONAL INC | 2,761 | 3.61 USD | |