| 14 mai 2004 | SALE | IMPAC MEDICAL SYSTEMS INC | 6 711 | 16.74 USD | |
| 14 mai 2004 | SALE | IMPAC MEDICAL SYSTEMS INC | 544 | 17.79 USD | |
| 14 mai 2004 | SALE | IMPAC MEDICAL SYSTEMS INC | 4 910 | 19.36 USD | |
| 31 mars 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 4 910 | 22.20 USD | |
| 01 avr. 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 4 910 | 22.52 USD | |
| 01 avr. 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 2 553 | 22.53 USD | |
| 11 mars 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 11 784 | 22.25 USD | |
| 12 mars 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 17 676 | 22.20 USD | |
| 15 mars 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 28 478 | 21.88 USD | |
| 02 mars 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 40 262 | 21.58 USD | |
| 02 mars 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 4 910 | 22.70 USD | |
| 03 mars 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 2 357 | 21.68 USD | |