# SECForm4 13D Filings API

> Returns recent Schedule 13D filings showing significant ownership positions (>5%) in public companies. 13D filers are activist investors who intend to influence the company.

Source: https://www.sandbase.ai/model/secform4/13d-filings
API reference: https://www.sandbase.ai/model/secform4/13d-filings/docs

## Facts

- Provider: SECForm4
- Type: Data API
- Endpoint: `POST https://api.sandbase.ai/v1/api/secform4/13d-filings`
- Price: $0.01 per call
- Free allowance: 100 calls per organization per UTC day, shared across eligible APIs
- Capabilities: api, secform4, finance crypto
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

`POST https://api.sandbase.ai/v1/api/secform4/13d-filings` with `Authorization: Bearer $SANDBASE_API_KEY` and the parameters as a JSON body.

## FAQ

### How do I use the SECForm4 13D Filings API?

Send a POST request to https://api.sandbase.ai/v1/api/secform4/13d-filings with your SandBase API key in the Authorization header (Bearer) and the parameters as a JSON body. You can also try it in the Playground on this page without writing code.

### How much does the SECForm4 13D Filings API cost?

$0.01 per call. Every organization gets 100 free calls per UTC day, shared across eligible SandBase APIs including this one; after that each call is billed at this price from your SandBase balance. There is no subscription.

### What parameters does the SECForm4 13D Filings API accept?

SECForm4 13D Filings takes no input parameters; send an empty JSON body.

### What does the SECForm4 13D Filings API return?

A JSON result. This endpoint runs asynchronously, so the response tells you how to fetch the finished result.

### Do I need a SECForm4 developer account or API key?

No. SECForm4 13D Filings runs through SandBase, so one SandBase API key covers this endpoint and every other API and model in the catalog. You do not need to apply for SECForm4 API access separately.

## README

### SECForm4 13D Filings

Returns recent Schedule 13D filings showing significant ownership positions (>5%) in public companies. 13D filers are activist investors who intend to influence the company.