curl --request GET \
  --url https://www.prometheus.services/api/v1/companies/{id}/ownership \
  --header 'X-API-KEY: <api-key>'

import requests

url = "https://www.prometheus.services/api/v1/companies/{id}/ownership"

headers = {"X-API-KEY": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'X-API-KEY': '<api-key>'}};

fetch('https://www.prometheus.services/api/v1/companies/{id}/ownership', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://www.prometheus.services/api/v1/companies/{id}/ownership",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-API-KEY: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://www.prometheus.services/api/v1/companies/{id}/ownership"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("X-API-KEY", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://www.prometheus.services/api/v1/companies/{id}/ownership")
  .header("X-API-KEY", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://www.prometheus.services/api/v1/companies/{id}/ownership")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["X-API-KEY"] = '<api-key>'

response = http.request(request)
puts response.read_body

{
  "cik": "0001045810",
  "insiders": [
    {
      "ownerCik": "0001197649",
      "name": "HUANG JEN HSUN",
      "isDirector": true,
      "isOfficer": true,
      "isTenPercentOwner": false,
      "officerTitle": "President and CEO",
      "totalShares": 812004746,
      "directShares": 70146252,
      "indirectShares": 741858494,
      "asOfDate": "2026-06-17",
      "lastFilingDate": "2026-06-23",
      "accessionNumber": "0001197649-26-000010"
    },
    {
      "ownerCik": "0001199039",
      "name": "STEVENS MARK A",
      "isDirector": true,
      "isOfficer": false,
      "isTenPercentOwner": false,
      "officerTitle": null,
      "totalShares": 31769633,
      "directShares": 11544612,
      "indirectShares": 20225021,
      "asOfDate": "2026-06-25",
      "lastFilingDate": "2026-06-29",
      "accessionNumber": "0001199039-26-000009"
    },
    {
      "ownerCik": "0001197647",
      "name": "COXE TENCH",
      "isDirector": true,
      "isOfficer": false,
      "isTenPercentOwner": false,
      "officerTitle": null,
      "totalShares": 29581218,
      "directShares": 57378,
      "indirectShares": 29523840,
      "asOfDate": "2026-08-05",
      "lastFilingDate": "2026-08-07",
      "accessionNumber": "0001197647-26-000007"
    }
  ],
  "notices": [
    {
      "accessionNumber": "0001950047-26-006396",
      "filingDate": "2026-06-22",
      "personName": "DONALD ROBERTSON",
      "relationships": [
        "Officer"
      ],
      "matchedOwnerCik": "0001526111",
      "unitsToSell": 4594,
      "aggregateMarketValue": 967909.86,
      "approxSaleDate": "2026-06-22",
      "planAdoptionDate": "2025-09-18",
      "brokerName": "Morgan Stanley Smith Barney LLC Executive Financial Services"
    },
    {
      "accessionNumber": "0001628280-26-044430",
      "filingDate": "2026-06-18",
      "personName": "MARK A STEVENS",
      "relationships": [
        "Director"
      ],
      "matchedOwnerCik": "0001199039",
      "unitsToSell": 1700000,
      "aggregateMarketValue": 347905000,
      "approxSaleDate": "2026-06-18",
      "planAdoptionDate": null,
      "brokerName": "Merrill Lynch"
    },
    {
      "accessionNumber": "0001973727-26-000026",
      "filingDate": "2026-06-03",
      "personName": "Neal Stephen C",
      "relationships": [
        "Director"
      ],
      "matchedOwnerCik": "0001768670",
      "unitsToSell": 15500,
      "aggregateMarketValue": 3343863.05,
      "approxSaleDate": "2026-06-03",
      "planAdoptionDate": null,
      "brokerName": "BofA Securities, Inc."
    }
  ],
  "institutions": [
    {
      "managerCik": "0002012383",
      "managerName": "BlackRock, Inc.",
      "periodOfReport": "2026-06-30",
      "accessionNumber": "0002012383-26-003238",
      "shares": 1941918386,
      "valueUsd": 388558449933,
      "pctOfSharesOut": 8.0175
    },
    {
      "managerCik": "0002100119",
      "managerName": "VANGUARD CAPITAL MANAGEMENT LLC",
      "periodOfReport": "2026-06-30",
      "accessionNumber": "0002100119-26-001527",
      "shares": 1540816358,
      "valueUsd": 308301945072,
      "pctOfSharesOut": 6.3615
    },
    {
      "managerCik": "0000315066",
      "managerName": "FMR LLC",
      "periodOfReport": "2026-06-30",
      "accessionNumber": "0000315066-26-002260",
      "shares": 1026051548,
      "valueUsd": 205302654261,
      "pctOfSharesOut": 4.2362
    }
  ]
}

{
  "error": "<string>",
  "code": "unauthenticated"
}

{
  "error": "<string>",
  "code": "unauthenticated"
}

{
  "error": "<string>",
  "code": "unauthenticated"
}

{
  "error": "<string>",
  "code": "unauthenticated"
}