Filings for May 18, 2023 show insider purchases at 40 companies, adding up to roughly $215.4 million. At the top: OXY, $201.4 million bought, with BERKSHIRE HATHAWAY INC as the largest buyer.
Cluster buying (3+ insiders) is running at 193 companies this month. 12 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.