Mark Zuckerberg Facebook share sales since Nov. 9th 2020
https://www.finviz.com/insidertrading.ashx?oc=1548760&tc=7
Cumulative Facebook sales (Mark Zuckerberg) since 2012
$12.80b in sales vs 0 in buys since 2012
https://www.secform4.com/insider-trading/1548760.htm