Insider Transactions API

Access insider transaction and stock ownership change data in seconds — get your API key instantly!

Insider Transactions API: Features

The Insider Transaction API gives you structured and up-to-date data on insider trading activity reported to the SEC. By querying with a company’s stock ticker, CIK, ISIN, or date range, you can retrieve detailed records of insider transactions, including transaction dates, ownership codes, security types, number of shares traded, transaction price, and the roles of reporting insiders. This API enables you to monitor buying and selling activity of executives, large shareholders, and affiliated persons with ease. With Finnworlds’ insider transaction data, you avoid the complexity of processing raw filings yourself and gain access to a clean, developer-friendly database ready for integration.

Gain access to insider transaction JSON data as reported, including transaction types, dates, ownership codes, and share quantities. The API covers various security types and insider roles, making it easy to track the trading activity of executives, board members, and major shareholders. This granular data helps developers build sophisticated tools for market analysis, compliance monitoring, or investor insights without dealing with complex raw filings.

Easily customize the way you retrieve insider transaction data by using parameters such as company ticker, CIK, ISIN, or specific insider CIK numbers. This flexibility enables precise and efficient data extraction to save you time. Whether you’re building dashboards, alert systems, or research tools, the Insider Transactions API’s RESTful JSON interface provides fast and straightforward integration into your workflows.

Stay current with insider trading activity thanks to continuous company stock ownership change updates. The Insider Transaction API ensures that your applications have access to the latest filings shortly after they become public. This reliability supports real-time monitoring and timely decision-making for financial platforms.

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Historical Insider Transactions Data​

In addition to real-time data, the Insider Transaction API also provides access to historical insider trading records, allowing you to analyze trends and behaviors about company stock ownership changes over time. Historical data can be a powerful tool for identifying long-term trading patterns by company executives, detecting potential market signals before key events, or building quantitative models that factor in insider behavior. Whether you’re conducting backtesting, compliance audits, or investment research, having structured access to past insider transactions gives you a deeper understanding of company dynamics and decision-maker confidence. For a deeper insight into a company’s financial structure and stand, you can utilize our Company Financial Statements API along with the Insider Transactions API.

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Supported Output Formats

Company stock ownership data is accessible in three main formats. In this way, Finnworlds fully addresses your needs for data delivery formats. Request your data format and get insider transactions data instantly. No matter the format of your choice, you obtain insider transactions data without any differences in the data transfer time. Please, contact support@finnworlds.com for notifying which data format you prefer. You can always change the data delivery format. 

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Excel and CSV
Access insider transactions data through database downloads formatted as either Excel or CSV files.
E-mail link
Receive an email containing a link to download insider transactions data.
Pdf Report
Get insider transactions details in a downloadable PDF report format.

Developer Notes

The Insider Transactions API is a REST API that returns data in JSON format. The API connects to our database for the links and the data  segments of SEC filings requested where they are stored, maintained and updated. The response times are fast at around 0.3 but may differ based on the load of the data requested in one API call. You can access data anytime and build a project where your clients can receive the data they are looking for with server uptimes at around 99.5%.

SDKs and Devkits

The API works with: Javascript, JQuery, VueJS, Angular, JAVA, PHP, NodeJS, Python, Go, Ruby, C#, R, Strest, Rust, Swift and Scala. Choose your language freely.

REST JSON and XML

Data output can be requested in structured JSON format via the REST API.

Excel and CSV

Integrate the API into Excel sheets to maintain dynamic company stock ownership change files.

Insider Transactions API - Get started!

Access the Insider Transactions API and all other financial data APIs with a single API key you may get below in a minute. Once you register, your personal API key will be automatically sent to your email address, already activated to use right away. Benefit from the trial rates to test the APIs and start developing with low prices. Update or cancel your plan anytime without commitments depending on how you like the data. Click below to get started!

Control the Data

/insidertransactions&ticker= TSLA AAPL AMZN MSFT

stock_ticker_symbol= GOOG AAPL AMZN TSLA NFLX SQ AMD FB MSFT