Insider buyers were busy on Jan 20, 2022: 31 companies, $9.2 million in open-market purchases all told. The biggest was CRCT (Cricut, Inc.), where Abdiel Capital Advisors, LP led about $4.1 million of buying.
61 companies had three or more insiders buying in the past 30 days. Four of the buys came from a CEO or CFO. One buy doesn't make a thesis, but it's a good place to start digging.