# x402stock SEC Form 144 Filings API > x402stock SEC Form 144 Filings API is a paid API for AI agents from x402stock.xyz, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-08). Retrieves SEC Form 144 insider sale notices for a given stock ticker, including insider identity, shares to be sold, broker, and recent sale history ## Facts - Endpoint: GET https://x402stock.xyz/api/v1/form-144/%7Bticker%7D - Price: $0.02/call - Payment: x402 - Status: unknown - Last checked: 2026-09-08 - Activations on Zero: 0 - Tags: x402 - Canonical page: https://www.zero.xyz/c/x402stock-sec-form-144-filings-api-20355193 - Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_BJN_gQWdLt8Sy8e3NU9TY Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently. ## How to call it through Zero Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`): ```sh zero fetch --capability x402stock-sec-form-144-filings-api-20355193 ``` Example prompt: Pull the last 5 SEC Form 144 insider sale notices for NVDA — I want to see who's planning to sell, how many shares, and what they sold in the past 3 months. ## When to prefer this Use this endpoint when you need structured, parsed SEC Form 144 insider sale intention data for a specific US stock ticker without setting up an API key or subscription. Ideal for AI agents doing real-time compliance research, insider activity monitoring, or investment due diligence on a per-query basis, paying only $0.02 USDC per call via x402 on Base. ## Known failure modes - Ticker not found or no Form 144 filings on record — returns empty notices array - Invalid ticker format — may return error or empty result - limit parameter out of range (must be 1–25) — validation error - SEC EDGAR source unavailable — upstream data delay or error - Payment not processed via x402 — 402 Payment Required response before data is returned ## How this service works Pay-per-call market and economic data API for AI agents: US stocks, ETFs and options, forex, crypto and on-chain perps, energy commodities, US and global macro (Fed, CPI, jobs, GDP, Treasury, World Bank), SEC filings, congressional trades, and market sentiment. No API keys, no accounts. Pay per request in USDC via x402 on Base. ## Output Returns a structured list of Form 144 notices for the requested ticker, including insider name, role/relationships, number of shares to be sold, approximate sale date, broker, exchange, aggregate market value, past 3-month sale history with proceeds, acquisitions history, shares outstanding, SEC EDGAR accession number and URL, and a count of parsed filings. ## Request schema (JSON Schema) ```json { "type": "object", "$schema": "https://json-schema.org/draft/2020-12/schema", "required": [ "input" ], "properties": { "input": { "type": "object", "required": [ "type", "method" ], "properties": { "type": { "type": "string", "const": "http" }, "method": { "enum": [ "GET", "HEAD", "DELETE" ], "type": "string" }, "queryParams": { "type": "object", "$schema": "https://json-schema.org/draft/2020-12/schema", "required": [ "limit" ], "properties": { "limit": { "type": "integer", "default": 5, "maximum": 25, "exclusiveMinimum": 0 } }, "additionalProperties": false } }, "additionalProperties": false }, "output": { "type": "object", "required": [ "type" ], "properties": { "type": { "type": "string" }, "example": { "type": "object", "$schema": "https://json-schema.org/draft/2020-12/schema", "required": [ "ticker", "data", "source", "as_of" ], "properties": { "data": { "type": "object", "required": [ "filings_parsed", "count", "notices" ], "properties": { "count": { "type": "number" }, "notices": { "type": "array", "items": { "type": "object", "required": [ "filing_date", "accession", "form", "url", "structured", "insider_name", "relationships", "security", "broker", "shares_to_be_sold", "aggregate_market_value", "shares_outstanding", "approx_sale_date", "exchange", "notice_date", "acquisitions", "sold_past_3_months" ], "properties": { "url": { "type": "string" }, "form": { "type": "string" }, "broker": { "anyOf": [ { "type": "string" }, { "type": "null" } ] }, "exchange": { "anyOf": [ { "type": "string" }, { "type": "null" } ] }, "security": { … (truncated) ``` ## Response schema (JSON Schema) ```json { "type": "json", "example": { "data": { "count": 1, "notices": [ { "url": "https://www.sec.gov/Archives/edgar/data/1078075/000209099926000007/primary_doc.xml", "form": "144", "broker": "TD Securities (USA) LLC", "exchange": "NASDAQ", "security": "Common", "accession": "0002090999-26-000007", "structured": true, "filing_date": "2026-06-05", "notice_date": "2026-06-05", "acquisitions": [ { "security": "Common", "acquired_date": "2002-05-30", "amount_acquired": 80343, "nature_of_acquisition": "Gift" } ], "insider_name": "SINGHAL ANIL K", "relationships": [ "Director" ], "approx_sale_date": "2026-06-05", "shares_to_be_sold": 42013, "shares_outstanding": 71495215, "sold_past_3_months": [ { "seller": "The Chirag Foundation - Anil and Abha Singhal, Trustees", "sale_date": "2026-05-29", "shares_sold": 9345, "gross_proceeds": 388270 }, { "seller": "The Chirag Foundation - Anil and Abha Singhal, Trustees", "sale_date": "2026-06-01", "shares_sold": 40655, "gross_proceeds": 1725142 } ], "aggregate_market_value": 1730007.11 } ], "filings_parsed": 1 }, "as_of": "2026-06-05T00:00:00.000Z", "source": "sec_edgar", "ticker": "NTCT" } } ``` ## More - Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402stock-sec-form-144-filings-api-20355193/health.json - [Zero catalog index](https://www.zero.xyz/llms.txt) - [Other services from x402stock.xyz](https://www.zero.xyz/host/x402stock.xyz/llms.txt)