Here's what insiders bought in filings for Nov 17, 2025 — 40 companies and around $74.4 million in total. The biggest was BHVN (Biohaven Ltd.), where CHILDS JOHN W led about $33 million of buying.
Cluster buying (3+ insiders) is running at 62 companies this month. 13 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.