Learn to Read SEC Filings
Free guides to help you understand insider trading data, SEC form types, and how to use public filings as part of your investment research.
What Is a Form 4 Filing? A Complete Guide
Learn what SEC Form 4 filings are, who must file them, what they reveal about insider trading, and how to read them like a pro.
How to Read SEC Insider Trading Reports
A practical guide to interpreting SEC insider trading disclosures — what signals matter, what to ignore, and how to use the data in your research.
Why Insider Buying Matters More Than Insider Selling
Insiders can sell for dozens of reasons — but they buy for only one. Here's the research-backed case for why buying signals outweigh selling signals.
13D vs 13G: What Institutional Ownership Filings Mean for Investors
When large investors cross the 5% ownership threshold, they must report it to the SEC. Here's what the difference between a 13D and 13G tells you about their intentions.
How to Track C-Suite Stock Purchases Before the Market Reacts
A step-by-step guide to monitoring executive stock purchases in real time — including what to look for, common pitfalls, and how to build a systematic approach.
Why Learn About SEC Filings?
Every public company in the United States is required to file regular disclosures with the Securities and Exchange Commission. These filings — from quarterly earnings reports (Form 10-Q) to insider trading disclosures (Form 4) to institutional ownership reports (Schedule 13D/13G) — are some of the most valuable pieces of public information available to investors.
The challenge is that most of these documents are dense, full of legal language, and difficult to navigate without context. The guides in this section are designed to give you that context — to explain what each form means, why it matters, and how to extract the signals that actually help you make better investment decisions.
Whether you're new to stock research or a seasoned investor who wants to sharpen your understanding of SEC data, these guides will help you get more out of the public information that's already available to everyone — for free.