📝 Executive Summary
SpaceX shares dropped 5% on Wednesday as a $47.2 billion insider share unlock milestone became eligible for sale. The supply event triggered sector-wide weakness, dragging the Procure Space ETF down 3% and causing sympathy selling in AST SpaceMobile and Rocket Lab. Analysts note that while the potential supply is significant, historical IPO patterns suggest actual insider selling often remains well below theoretical maximums.