Insider Trading
What Is Insider Trading? Legal vs. Illegal — A Complete Guide
Learn the difference between legal insider transactions reported on SEC Form 4 and illegal trading on material nonpublic information.
Read article →How to Track Insider Trading for Free in 2026
A practical walkthrough of free tools and public databases for monitoring corporate insider buying and selling activity.
Read article →10 Biggest Insider Trading Cases in History
From Ivan Boesky to recent SEC enforcement actions, the landmark cases that shaped insider trading law and market regulation.
Read article →Cluster Buying: Why Multiple Insiders Buying Is the Strongest Signal
When several insiders buy within a tight window, returns are significantly higher. The data behind the most predictive insider pattern.
Read article →10b5-1 Plans Explained: Pre-Programmed Insider Trading
How Rule 10b5-1 plans let executives trade on autopilot, and why recent SEC reforms changed the landscape.
Read article →CEO Stock Purchases: What They Tell You About a Company
CEO open-market buys carry the highest informational edge among all insider roles. What the research says and how to act on it.
Read article →Insider Selling: When to Worry and When to Ignore It
Most insider selling is routine diversification. Learn the patterns that actually predict underperformance versus harmless noise.
Read article →Insider Trading Penalties: Fines, Prison Time, and SEC Enforcement
The legal consequences of illegal insider trading, from civil disgorgement to criminal prosecution and sentencing guidelines.
Read article →Insider Trading Seasonality: When Do Insiders Buy Most?
Blackout windows, earnings cycles, and calendar effects create predictable surges in insider filing activity throughout the year.
Read article →SEC Filings
How to Read SEC Form 4 Filings: The Insider's Guide
Decode every field of SEC Form 4, spot meaningful patterns in insider transactions, and filter noise from signal.
Read article →SEC EDGAR Tutorial: How to Search for Any Filing
A step-by-step guide to navigating SEC EDGAR, using full-text search, and setting up alerts for new filings.
Read article →Quantitative Strategies
Post-Earnings Announcement Drift: The Academic Edge
One of the most robust anomalies in finance. Why PEAD persists and how quantitative traders exploit slow earnings diffusion.
Read article →Momentum Investing: What Academic Research Actually Shows
From Jegadeesh & Titman to modern factor models, what decades of peer-reviewed research reveal about price persistence.
Read article →Pairs Trading Strategy: A Complete Guide to Market-Neutral Profits
A classic market-neutral strategy that profits from relative mispricings. Cointegration testing, spread construction, and risk management.
Read article →Options & Derivatives
Unusual Options Activity: How to Spot Institutional Bets
Large, unusual options trades often precede significant stock moves. How to identify and interpret institutional positioning in the options market.
Read article →Short Squeeze Explained: Mechanics, Examples, and Warning Signs
The mechanics behind short squeezes, historical examples, and the quantitative indicators that signal elevated squeeze risk.
Read article →Short Interest: How to Find and Interpret Short Selling Data
Where to find short interest data, how to read days-to-cover ratios, and what elevated short interest means for stock returns.
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