Insider Trading Education Center
Learn about insider trading, SEC filings, and how to use insider activity data for investment research.
What Is Insider Trading? A Complete Guide
Learn what insider trading is, the difference between legal and illegal insider trading, and why it matters for investors.
Legal vs. Illegal Insider Trading: Key Differences
Understand the critical differences between legal and illegal insider trading, SEC regulations, and how to identify each type.
Who Are Corporate Insiders? Officers, Directors & 10% Owners
Learn who the SEC considers a corporate insider, including officers, directors, and beneficial owners with 10% or more shares.
Why Insider Buying Matters: The Research Behind the Signal
Discover why insider buying is one of the most powerful signals in investing, backed by decades of academic research.
Insider Buying vs. Selling: Why They're Not Equal Signals
Learn why insider buying is a much stronger signal than insider selling, and how to interpret each type of trade.
Why Insider Ownership Percentage Matters
Learn why the percentage of shares owned by insiders is an important metric and what high vs. low insider ownership signals.
Open Market Purchases: The Most Important Insider Signal
Learn why open market purchases are the most meaningful type of insider trade and how they differ from other transaction types.
What Are Cluster Buys? The Strongest Insider Signal
Learn what cluster buys are, why they're considered the strongest insider trading signal, and how to identify them.
Insider Trading Penalties: Fines, Prison, and Civil Liability
Learn about the penalties for illegal insider trading including criminal charges, SEC civil penalties, and disgorgement.
How to Track Insider Trading: Tools, Sources, and Methods
A practical guide to tracking insider trading activity using SEC filings, insider trading databases, and analysis tools.
A Brief History of Insider Trading Laws in the United States
From the Securities Exchange Act of 1934 to Sarbanes-Oxley and the STOCK Act, trace the evolution of insider trading regulation.
Insider Trading Glossary: 50+ Key Terms Defined
A comprehensive glossary of insider trading terminology including SEC terms, transaction types, filing requirements, and analysis concepts.