Skip to content

Billionaires Digest

My team

Guides

Guides

Plain-language explainers for reading the moves of the world’s richest people.

Guide
Filings 101: how to read the SEC forms behind the moves
What Form 4, Form 144, 10b5-1 plans, 13D and 13G, 13F, 8-K, S-1 and Form D are, when they are filed, and what they do and do not tell you.