40 companies had executives and directors buying on the open market in filings dated Jun 1, 2026, about $66.9 million combined. QTTB topped the list with roughly $30 million, led by Xu Diyong.
11 of the buys came from a CEO or CFO. 105 companies had three or more insiders buying in the past 30 days. One buy doesn't make a thesis, but it's a good place to start digging.