40 companies had company insiders buying with their own money in filings dated Nov 18, 2021, about $143.9 million combined. The biggest was PTON (PELOTON INTERACTIVE, INC.), where TCV IX Cycle, L.P. led about $100 million of buying.
Cluster buying (3+ insiders) is running at 88 companies this month. 11 of the buys came from a CEO or CFO. Each filing is linked below if you want to check the details yourself.