Filings for May 5, 2025 show insider purchases at 40 companies, adding up to roughly $9.3 million. The biggest was ARDX (ARDELYX, INC.), where MOTT DAVID M led about $1.6 million of buying.
Cluster buying (3+ insiders) is running at 50 companies this month. C-suite buying: six companies. One buy doesn't make a thesis, but it's a good place to start digging.