33 companies had company insiders buying with their own money in filings dated Feb 17, 2021, about $93.8 million combined. The biggest was PACXU (Pioneer Merger Corp.), where GERSON RICK MATTHEW led about $44.5 million of buying.
C-suite buying: 11 companies. 66 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.