Here's what insiders bought in filings for May 4, 2022 — 40 companies and around $396.1 million in total. OXY topped the list with roughly $336.2 million, led by BERKSHIRE HATHAWAY INC.
C-suite buying: six companies. Cluster buying (3+ insiders) is running at 73 companies this month. One buy doesn't make a thesis, but it's a good place to start digging.