Filings for Sep 1, 2022 show insider purchases at 40 companies, adding up to roughly $23.2 million. The biggest was NSIT (INSIGHT ENTERPRISES INC), where ValueAct Capital Management, L.P. led about $6.3 million of buying.
Eight of the buys came from a CEO or CFO. Cluster buying (3+ insiders) is running at 101 companies this month. One buy doesn't make a thesis, but it's a good place to start digging.