Ownership History
| AVIAN VACCINE SERVICES LLC | $0 | | 219/1147 | 25 | 12/15/2022 |
| CHARLES RIVER LABORATORIES INC | $0 | | 219/1144 | 25 | 12/15/2022 |
| CHARLES RIVER LABORATORIES INC | $817,660 | | 0120/0928 | 07 | 07/20/1999 |
| OVA ACQUISITION CORP | $3,000,000 | | 0100/0646 | 00 | 10/30/1992 |
| SPAFAS INC | $0 | | 0060/0086 | 00 | 05/27/1976 |