Depends upon how damaging it is to the left.
They always do. It's a well-known consequence of getting a large portion of your "salary" as stock options. They are required to hold those options for a certain period before they can sell. As a result, they end up selling them at regular intervals. Keeping all of your options is suicide in any market.
This is not unusual. It is not a conspiracy. It is just how it works.
Providing one-off examples hardly disproves the general rule. Sometimes people do this because they're criminals. Sometimes they're just selling their shares because they need money. Sometimes they just think the timing is right. Sometimes they just got a bigger allotment and want to enjoy the windfall.
Find some other evidence and you'll have a point. Until then, clam down.