You can access the SEC Section 16 Ownership programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1import { ApifyClient } from 'apify-client';
2
3// Initialize the ApifyClient with your Apify API token
4// Replace the '<YOUR_API_TOKEN>' with your token
5const client = new ApifyClient({
6    token: '<YOUR_API_TOKEN>',
7});
8
9// Prepare Actor input
10const input = {
11    "queries": [
12        {
13            "requestId": "apple-form4",
14            "scope": "accessionNumber",
15            "identifierType": "accessionNumber",
16            "identifier": "0000320193-18-000113",
17            "issuerCik": "320193"
18        }
19    ],
20    "maxFilings": 1,
21    "maxResults": 1,
22    "maxSourceRequests": 4,
23    "maxDownloadBytes": 1048576,
24    "outputSchemaVersion": "1.0",
25    "outputMode": "full"
26};
27
28// Run the Actor and wait for it to finish
29const run = await client.actor("bb-tradetec/sec-section16-ownership-normalizer").call(input);
30
31// Fetch and print Actor results from the run's dataset (if any)
32console.log('Results from dataset');
33console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
34const { items } = await client.dataset(run.defaultDatasetId).listItems();
35items.forEach((item) => {
36    console.dir(item);
37});
38
39// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

SEC Forms 3, 4 & 5 API – Section 16 Ownership API in JavaScript

The Apify API client for JavaScript is the official library that allows you to use SEC Section 16 Ownership API in JavaScript or TypeScript, providing convenience functions and automatic retries on errors.

Install the apify-client

$npm install apify-client

Other API clients include:

SEC Section 16 Ownership API in Python

SEC Section 16 Ownership API through CLI

SEC Section 16 Ownership OpenAPI definition

SEC Section 16 Ownership API

SEC Form 4 Transactions – Evidence & Amendments API

bb-tradetec/sec-form4-transaction-normalizer

Normalize official SEC Form 4 and 4/A Ownership XML into source-linked Table I/II transaction rows with stable IDs, reporting owners, codes, footnotes, Rule 10b5-1 fields, conservative amendment links, and stateless cursors.

SEC Insider Transaction Scraper

taroyamada/sec-insider-transaction-intelligence

Extract insider purchases, sales, grants, and ownership signals from SEC Forms 3, 4, and 5 using official EDGAR data.

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SEC Insider Trading MCP — Form 4 Filings & Transactions

andrew_avina/sec-insider-mcp

SEC Insider Trading MCP — Form 4 Filings & Transactions

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SEC Rule Releases

bb-tradetec/sec-rulemaking-and-guidance-normalizer

Normalize exact SEC rule-release pages into evidence-bound proposal, adoption, amendment, and policy records.

SEC Ownership Intelligence

bb-tradetec/sec-ownership-intelligence-aggregator

Connect supplied Schedule 13D/G, Form 4, Form 13F, and Section 16 records without mixing their distinct semantics.

SEC 13F Holdings Scraper

muhammadafzal/sec-13f-holdings-scraper

Parse official SEC EDGAR Form 13F information tables into structured institutional holdings records for investment research and AI-agent workflows.

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SEC Form 4 Insider Trades - Real-Time

wiry_kingdom/sec-form4-insider-trades

Real-time SEC Form 4 parser. Returns structured insider buy/sell/option/grant transactions for any public company. Includes insider name, role, transaction code, shares, price, post-tx holdings. Free SEC EDGAR API. For quants, journalists, retail.

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Sec 13f Holdings Scraper

fortuitous_pirate/sec-13f-holdings-scraper

Extract 13F institutional holdings filings from SEC EDGAR. Search by institution name and date range to find hedge funds, mutual funds, and asset managers' quarterly position disclosures. Returns filing metadata and top equity holdings. Free SEC EDGAR API — no authentication required.

Fortuitous Pirate

SEC EDGAR Scraper

sheshinmcfly/sec-edgar-scraper

Extract SEC EDGAR data for US public companies by ticker or CIK: filings with links, Form 4 insider transactions (who bought or sold, shares, price) and key XBRL financials. Plus 13F institutional holdings by fund name — see what hedge funds own. No API key needed.

Sheshinmcfly

SEC Insider Trading — EDGAR Form 4 Buys & Sells as JSON

shelvick/sec-insider-trades

Track corporate insider trading from SEC EDGAR. Give a ticker or CIK; get normalized Form 4/3/5 insider transactions as JSON: who traded (officer, director, 10% owner), buy/sell/grant/exercise, shares, price, value, shares held after, and dates. Deterministic parsing of public SEC data.