Median gap between trading and disclosing: 1 day — a prompt filer.
What the 1-day lag looks like — GOOGL, latest disclosed trade
The blue dot is the day Matthew Robert Van Epps sold it; the amber dot is
the day it hit the public record, 1 day later. GOOGL moved -2.5%
between the trade and its disclosure — a move nobody watching this feed could have caught.