Insider buyers were busy on Jan 7, 2026: 27 companies, $66.1 million in open-market purchases all told. The biggest was WRB (BERKLEY W R CORP), where MITSUI SUMITOMO INSURANCE CO LTD led about $47.4 million of buying.
C-suite buying: four companies. Cluster buying (3+ insiders) is running at 54 companies this month. Each filing is linked below if you want to check the details yourself.