Insider buyers were busy on Mar 28, 2024: 23 companies, $326.6 million in open-market purchases all told. The biggest was FWONA (Liberty Media Corp), where BUFFETT WARREN E led about $294.6 million of buying.
Four of the buys came from a CEO or CFO. Cluster buying (3+ insiders) is running at 85 companies this month. One buy doesn't make a thesis, but it's a good place to start digging.