Here's what insiders bought in filings for Jun 27, 2022 — 40 companies and around $52.6 million in total. At the top: OXY, $44 million bought, with BERKSHIRE HATHAWAY INC as the largest buyer.
Cluster buying (3+ insiders) is running at 108 companies this month. Ten 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.