Everything you need to know to read and interpret insider transactions from SEC filings. Practical guides written for retail investors who want to make data-driven decisions.
Legal vs illegal definitions, SEC regulations, Form 4 filing process, and why tracking corporate insider transactions matters for investors.
Read the guide →Step-by-step breakdown of every section, table column, transaction code, and footnote to extract actionable insider trading signals.
Read the guide →Complete reference for all codes — P, S, M, F, G, A, D, C, W, and more. Which codes signal real insider conviction and which are noise.
Read the guide →Understand 10-K, 10-Q, 8-K, Form 4, 13F, 13D/G, S-1, and proxy statements — what each filing contains, who files it, and why it matters.
Read the guide →SEC Exchange Act Section 16, Rule 10b-5, penalties, enforcement cases from Martha Stewart to SAC Capital, and how laws differ worldwide.
Read the guide →How 10b5-1 trading plans work, why insiders use them, the 2023 amendments that closed loopholes, and how investors should interpret these transactions.
Read the guide →The Stop Trading on Congressional Knowledge Act: history, disclosure requirements, enforcement gaps, loopholes, and proposed reforms.
Read the guide →Cluster buying, copy-trading insiders, contrarian signals, and sector rotation approaches backed by academic research.
Read the guide →The difference between Form 4 and 13F filings, tools for tracking institutional and insider flows, backtesting results, and practical implementation.
Read the guide →Which purchases are meaningful based on insider role, transaction size, timing context, and cluster patterns. Separate conviction buys from noise.
Read the guide →Algorithms and indicators to separate meaningful insider buys and sells from noise. The WhaleSentiment Score explained: 6 indicators, complete formula, real-world examples.
Read the guide →How multiple insiders buying the same stock simultaneously creates the strongest predictive signal. Detection methodology, historical examples, and backtesting results.
Read the guide →RSUs, stock options, performance shares, golden parachutes. How to read Form 4 filings to distinguish compensation transactions from real insider signals.
Read the guide →13F filings, quantitative strategies, institutional money flow analysis, and how retail investors can apply the same techniques.
Read the guide →How to combine short interest data with insider trading signals. The relationship between short sellers and corporate insiders, and what happens when their views diverge.
Read the guide →What dark pools are, how they work, their relationship to insider activity, how to access dark pool data, and what it means for retail investors.
Read the guide →How corporate executive insider trading compares to stock trading by members of Congress. The STOCK Act, disclosure rules, performance differences.
Read the guide →The 2020 COVID selloff, notable congress members who traded on non-public information, STOCK Act limitations, and proposed reforms including trading bans.
Read the guide →Ivan Boesky, Martha Stewart, Raj Rajaratnam, SAC Capital, Chris Collins, and more. How they were caught and what investors can learn.
Read the guide →Insider trading is one of the most powerful — yet least understood — indicators available to retail investors. Executives know their companies better than any outside analyst, and when they put their own money on the line, the signal is loud and clear.
These guides help you move from "executives are selling" to "here's what that actually means for my portfolio." No unnecessary jargon, just practical information based on public SEC data.
Also check out our real-time insider trading data to see the latest transactions.