Filings for Apr 4, 2022 show insider purchases at 40 companies, adding up to roughly $113.5 million. The biggest was IVZ (Invesco Ltd.), where TRIAN FUND MANAGEMENT, L.P. led about $86.1 million of buying.
Cluster buying (3+ insiders) is running at 113 companies this month. C-suite buying: five companies. One buy doesn't make a thesis, but it's a good place to start digging.