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U.S. Insider Trading

The Washington Service (WS) is the premier provider of U.S. Insider Trading data on the market, with over 35 years of historical data and over 40 years of experience interpreting insider trading forms. Rely on our extensive database of Form 3/4/5 and Form 144 data for the most accurate, up-to-date information. Browse through our comprehensive offering of U.S. Insider Trading research tools and solution.

EZ-Insider is a web-application providing current and historical Insider Trading data for all U.S. companies and insiders dating back to 1988. Real-time transaction updates show the most recent filings to keep you apprised of new insider activity. With advanced filtering and reporting features built in, EZ-Insider is a convenient and accessible platform for insider trading analysis.

Our Insider Data Feeds are sourced from Form 4, Form 5, and Form 144 SEC filings. Staff at WS analyze and interpret all filings: correcting filer inconsistencies, normalizing data points, and tagging field values with unique identifiers. Get the information you need with customizable data quality levels, delivery methods, timeliness, and transaction aggregation level.

Our Insider Trading API allows clients to access up-to-the-minute Form 4 and Form 144 data, derived from ownership filings made with the SEC. Retrieve transactions by company or filer, resolve company and filer with CIK, and more. This API is under active development and additional features are made available regularly.

Insider on Snowflake provides access to live and ready-to-use Form 4/5 and 144 data with updates within three minutes of a filing. Firms already on the Snowflake platform can reduce integration costs by eliminating ETL complexities while still getting access to the insider trading data they need.

Insider Trading Reports are fully customizable, as we offer formatting and delivery method options that fit your research needs. We offer daily, weekly, and monthly emailed reports. With customizable report parameters, get your data custom fit for your research process.

D&O Insider Trading Audit Reports is an online application designed to allow underwriters to easily and accurately assess risk related to directors’ and officers’ stock trades at their respective companies. The online application reduces research complexity and can be customized to fit existing processes and workflows.

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