40 companies had officers and board members buying at market prices in filings dated May 21, 2021, about $38.7 million combined. The biggest was GDRX (GoodRx Holdings, Inc.), where Silver Lake Technology Associates V, L.P. led about $12.1 million of buying.
Cluster buying (3+ insiders) is running at 72 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.