Filings, funds, and the data behind them
Data readouts from 1.87M institutional positions across 1,824 filers, and guides to SEC filings, insider activity, and market data for AI agents. New articles daily.
What Is Form 4? Insider Trading Filing Guide
Form 4 is the SEC filing insiders use to report company-stock transactions, usually within two business days.
Insider Activity
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How Common Is Insider Trading? What Data Shows
Illegal insider trading has no complete public denominator. The measurable record is enforcement cases, surveillance referrals, and lawful Form 4 disclosures.
Is It Insider Trading If You Overhear Info?
Overhearing information is not automatically insider trading. The risk turns on materiality, public status, duty, source, and whether someone trades or tips.
Is Insider Trading a Felony? Civil vs Criminal
Illegal insider trading can be charged as a felony, but many SEC insider-trading cases are civil enforcement actions, not criminal convictions.
Why Insider Trading Is Illegal: Market Fairness
Insider trading is illegal when someone trades or tips on material nonpublic information in breach of a duty of trust or confidence.
How Insider Trading Is Detected: Signals and Limits
Insider trading is detected by matching suspicious trading, material events, account links, communications, and public Form 4 disclosures.
Insider Trading Data API: Query Form 4 Filings at Scale
What a good insider trading data API looks like: Form 4 mechanics, amendment handling, derivative separation, provenance, and code examples for agents.