Facebook, Inc sold by Mark Zuckerberg: $30.59m-Nove 9-10
Following on a recent sale on Nov 9th of $17.85m-cap #2
These should start to accelerate in size and frequency going forward.
Total share sales since 2016:$9,010,275,493vs. $0 in buys
https://www.secform4.com/insider-trading/1548760.htm
https://www.finviz.com/insidertrading.ashx?oc=1548760&tc=7&b=2