All US senators were briefed on January 24 by the Trump administration in a top secret meeting. Following the meeting, politicians, wealthy constituents, and executives of impacted multinational corporations were notified and began dumping their shares from January 24 into mid February. The money we're talking is a LOT, way more than a million here and there.
The thread title should really be changed to reflect how far reaching and corrupt this was. The magnitude of corruption is astounding.