| 14 May 2004 | SALE | IMPAC MEDICAL SYSTEMS INC | 123 | 16.74 USD | |
| 14 May 2004 | SALE | IMPAC MEDICAL SYSTEMS INC | 10 | 17.79 USD | |
| 14 May 2004 | SALE | IMPAC MEDICAL SYSTEMS INC | 90 | 19.36 USD | |
| 31 Mar 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 90 | 22.20 USD | |
| 01 Apr 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 90 | 22.52 USD | |
| 01 Apr 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 47 | 22.53 USD | |
| 11 Mar 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 216 | 22.25 USD | |
| 12 Mar 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 324 | 22.20 USD | |
| 15 Mar 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 522 | 21.88 USD | |
| 02 Mar 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 738 | 21.58 USD | |
| 02 Mar 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 90 | 22.70 USD | |
| 03 Mar 2004 | PURCHASE | IMPAC MEDICAL SYSTEMS INC | 43 | 21.68 USD | |