Learn the language of SEC insider filings.
Plain-English explainers on the filings, signals, and rules behind every insider transaction Watch4Insider tracks.
How to Read SEC Form 4
The line-by-line guide to the filing you see whenever an insider buys or sells stock — what every field means, what to ignore, and how to spot the signal.
Read article →What Is a Cluster Buy?
When multiple insiders buy into the same company in a short window, it is one of the strongest open-market signals in the data. Here is why, and when it is not.
Read article →10b5-1 Plans Explained
Most insider selling is on autopilot. Understanding 10b5-1 plans is the difference between reading a Form 4 as a warning and reading it as noise.
Read article →Insider Buying vs Stock Buybacks
Both put corporate dollars into a stock. Only one tells you what the people who run the company think it is worth. The difference matters.
Read article →Form 3 vs Form 4 vs Form 5
Three filings, three different jobs. The reference page for which form means what, who has to file it, and when.
Read article →
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