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Dates matter: Transaction date is when the insider traded. Filed date is when the Form 4 reached EDGAR, up to 2 business days later. Every row links to the original SEC filing. Data: SEC EDGAR, Form 4, parsed nightly. Amendments (Form 4/A) replace the original filing.
Guides: using insider trading data
Insider filings are public, but they are easy to misread. These guides explain how traders and researchers use Form 4 data: what a cluster buy is, why most insider selling is not bearish, how to judge the size of a buy, and where the data stops being useful. Start with the featured guides, or browse the full set.
How Traders Use Insider Buying Data
How traders screen Form 4 filings for open market purchases, build watchlists, and fit insider buying into a wider research workflow.
Cluster Buys Explained: Why Group Insider Buying Matters
What a cluster buy is, why three or more insiders buying the same stock within 30 days stands out, and how to read the pattern carefully.
How to Read a Form 4 Like a Trader
A practical walk through a Form 4: transaction codes, dates, direct and indirect ownership, price, size, and Tables I and II.
Why Insider Selling Is Usually Not a Bearish Signal
Insider selling happens for many routine reasons, which is why a single sale rarely carries the same weight as an open-market buy.
Whose Insider Trades Matter Most
Why CEO and CFO open market purchases tend to carry more weight than director or 10 percent owner trades, and how to judge each role.