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Cipher Street

Insider trading data,
without the noise

We ingest every SEC Form 4 filing, filter out routine transactions, and surface the insider activity that matters — with AI-powered context and real-time alerts.

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What you get

Real-Time Ingestion

SEC Form 4 filings processed within minutes of being filed with EDGAR. Never miss an insider trade.

Cluster Detection

Automatically detect when multiple insiders at the same company are buying within a 30-day window.

AI-Powered Analysis

Get qualitative context on significant filings — what the insider did, how it compares to their history, and notable patterns.

Smart Alerts

Describe your alerts in plain English: "Tell me when any CEO buys more than $500K." We handle the rest.

Signal Flags

Every filing is tagged with factual flags — Large Purchase, Notable Role, First Purchase, Cluster — so you can filter the noise.

Full History

Search across thousands of companies and insiders with a year of historical Form 4 data, updated daily.

Insider Moves Weekly

The week's most notable insider trades, delivered every Monday. Free, no account needed.

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