Insider buyers were busy on Dec 14, 2021: 40 companies, $94.6 million in open-market purchases all told. The biggest was GTLB (Gitlab Inc.), where Jacobson Matthew led about $50 million of buying.
Cluster buying (3+ insiders) is running at 159 companies this month. C-suite buying: ten companies. As always, a purchase is a data point, not a recommendation.