The Washington Service

Premier Providers of Insider Trading Data, News, and Analysis

Dive Deeper into Insider Trading with our Market-Leading Data

Find Patterns. Spot Trends. Test Models.

The right knowledge can make or break an investment opportunity. And because analyzing corporate governance is an integral part of investment research, it’s critical to ensure that corporate ownership data is as accurate as possible.

The Washington Service has been working with SEC^† beneficial ownership filings for over forty years, bringing you the best insider trading data on the market. We rely on human experts to process the data rigorously, efficiently, and thoroughly (see Our Process). Our highly-trained staff analyzes each form for potential errors, and makes corrections that capture the most accurate information for our clients.

Gain access to our premier Insider Trading database with convenient, easy-to-use web applications or data feeds with customized delivery methods to best fit your needs.

Reach Out to Try EZ-Insider For Free!

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US Insider Trading

The Washington Service is the premier provider of U.S. Insider Trading data on the market, with over 35 years of historical data and over 40 years 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.

Executive Equity Services

The Washington Service has developed an array of products that help our clients navigate the complex nature of equity award compensation. We capture executive compensation data as well as Rule 10b5-1 plan disclosures. Explore our premier Executive Equity Services offerings.

Corporate Filings

The Washington Service maintains a low-latency feed that captures all corporate filings submitted to the SEC’s EDGAR^† system in real-time. In addition, we have developed a number of tools to aid in the search and filtering of information found in these filings, such as full-text keyword searching and advanced reporting. Find out how we can streamline your corporate finance research with our advanced tools.

Bespoke Research

The Washington Service has more than 50 years of experience performing customized, high-quality research, including primary data gathering, competitive intelligence research, confidential inquiries, and web crawling projects. We tailor these services to provide the most helpful and relevant information to our clients. Discover how our team can deliver outstanding results for your next bespoke research project.

40,000+ Companies

500,000+ Insiders

35+ Years Historical Data

Form 4, 144, and More

Low Latency, High Quality

Human Expertise

Trusted by Major Financial Newswires

With more than 50 years of experience in the field, and trusted for our accurate and timely reporting, The Washington Service has become an essential source for insider trading news and analysis by major business newswires: Bloomberg, Dow Jones, and Refinitiv.