Here's what insiders bought in filings for Feb 22, 2022 — 40 companies and around $69.7 million in total. The biggest was INCY (INCYTE CORP), where BAKER FELIX led about $35.7 million of buying.
Cluster buying (3+ insiders) is running at 86 companies this month. Seven 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.