Filings for Mar 2, 2021 show insider purchases at 40 companies, adding up to roughly $38.5 million. At the top: IRWD, $12.8 million bought, with DENNER ALEXANDER J as the largest buyer.
Two of the buys came from a CEO or CFO. Cluster buying (3+ insiders) is running at 74 companies this month. One buy doesn't make a thesis, but it's a good place to start digging.