78trust / 100

V X Form 4

by Massive in Onchain & crypto

x402 APIPassing, checked 3 h ago

SEC Form 4 filings reporting changes in beneficial ownership of securities. Filed by corporate insiders (directors, officers, and 10%+ shareholders) within two business days of a transaction. Can't find what you're looking for? POST feedback to /feedback, no charge.

GET
https://agent.massive.com/stocks/filings/vX/form-4
Price
$0.01
per call in USDC
Uptime
100%
last 30 days
Response time
381 ms
427 ms slowest 5%
Last check
Passed
3 h ago, next any minute now

Run a free test callHow to call it

Reliability

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Status and outage history · Atom feed

How to call it

GET https://agent.massive.com/stocks/filings/vX/form-4

Each call costs $0.01 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

GET https://agent.massive.com/stocks/filings/vX/form-4?limit=100&sort=filing_date.desc

Parameters

ParameterTypeRequiredDescription
filing_datestringNoDate when the filing was submitted to the SEC (formatted as YYYY-MM-DD). Value must be formatted 'yyyy-mm-dd'.
filing_date.gtstringNoFilter greater than the value. Value must be formatted 'yyyy-mm-dd'.
filing_date.gtestringNoFilter greater than or equal to the value. Value must be formatted 'yyyy-mm-dd'.
filing_date.ltstringNoFilter less than the value. Value must be formatted 'yyyy-mm-dd'.
filing_date.ltestringNoFilter less than or equal to the value. Value must be formatted 'yyyy-mm-dd'.
form_typestringNoSEC form type ('4' for standard filing, '4/A' for amendments).
issuer_cikstringNoSEC Central Index Key of the issuer company (10 digits, zero-padded).
issuer_cik.any_ofstringNoFilter equal to any of the values. Multiple values can be specified by using a comma separated list.
limitintegerNoLimit the maximum number of results returned. Defaults to '100' if not specified. The maximum allowed limit is '10000'. Default: 100.
owner_cikstringNoSEC Central Index Key of the reporting owner (10 digits, zero-padded).
owner_cik.any_ofstringNoFilter equal to any of the values. Multiple values can be specified by using a comma separated list.
sortstringNoA comma separated list of sort columns. For each column, append '.asc' or '.desc' to specify the sort direction. The sort column defaults to 'filing_date' if not specified. The sort order defaults to 'desc' if not specified. Default: "filing_date.desc".
tickersstringNoFilter for arrays that contain the value.
tickers.all_ofstringNoFilter for arrays that contain all of the values. Multiple values can be specified by using a comma separated list.
tickers.any_ofstringNoFilter for arrays that contain any of the values. Multiple values can be specified by using a comma separated list.
transaction_codestringNoSEC transaction code indicating the type of transaction (e.g., 'P' for purchase, 'S' for sale, 'A' for grant/award, 'M' for exercise/conversion).

Example response

The provider's example. We can't check it without paying.

Example response, 54 lines
{
  "next_url": "https://api.massive.com/stocks/filings/vX/form-4?cursor=eyJsaW1pd...",
  "request_id": "047c7035a86042b1925118e5f68d81b0",
  "results": [
    {
      "accession_number": "0002123147-26-000002",
      "aff_10b5_one": false,
      "date_of_original_submission": null,
      "deemed_execution_date": "2026-03-27",
      "direct_or_indirect": "D",
      "equity_swap_involved": false,
      "exercise_date": "2026-03-27",
      "exercise_price": 88.167,
      "expiration_date": "2026-03-27",
      "filing_date": "2026-03-30",
      "filing_url": "https://www.sec.gov/Archives/edgar/data/1469395/0002123147-26-000002.txt",
      "footnotes": [
        {
          "description": "These shares were acquired at a price of 4955 argentine pesos per share. For reporting purposes, the exercise price has been converted to US dollars based on the exchange rate reported by Banco de la Nacion Argentina for the date of the acquisition, which was 1405 argentine pesos per US dollar. Then multiplied by 25, the Par value or rate of common shares to one ADR.",
          "id": "F1"
        }
      ],
      "form_type": "4",
      "is_director": false,
      "is_officer": true,
      "is_other": false,
      "is_ten_percent_owner": false,
      "issuer_cik": "0001469395",
      "issuer_name": "Pampa Energy Inc.",
      "not_subject_to_section_16": false,
      "officer_title": "Chief Financial Officer",
      "owner_cik": "0002123147",
      "owner_name": "Zuberbuhler Adolfo Fernando",
      "period_of_report": "2026-03-27",
      "record_type": "transaction",
      "security_title": "Common Stock, $25 Par Value",
      "security_type": "derivative",
      "shares_owned_following_transaction": 2759,
      "tickers": [
        "PAM"
      ],
      "transaction_acquired_disposed": "A",
      "transaction_code": "A",
      "transaction_date": "2026-03-27",
      "transaction_price_per_share": 88.167,
      "transaction_shares": 12923,
      "transaction_timeliness": "O",
      "transaction_value": 1139382.141,
      "underlying_security_shares": 12923,
      "underlying_security_title": "PAMP"
    }
  ],
  "status": "OK"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.01.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://agent.massive.com/stocks/filings/vX/form-4?limit=100&sort=filing_date.desc'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://agent.massive.com/stocks/filings/vX/form-4?limit=100&sort=filing_date.desc' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent.massive.com%2Fstocks%2Ffilings%2FvX%2Fform-4
const res = await pay("https://agent.massive.com/stocks/filings/vX/form-4?limit=100&sort=filing_date.desc");
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://agent.massive.com/stocks/filings/vX/form-4?limit=100&sort=filing_date.desc")
    print(res.status_code, res.text)

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