Otto AI · 13D Activist Watch

by Otto AI

GETBaseSolana

$0.005

per call · USD Coin on Base

Schedule 13D and 13G activist stake filings by ticker: every beneficial-ownership filing made about a US-listed issuer in the last 365 days, each validated against its own cover page so a company's outbound filings about OTHER companies are excluded. Returns 13D vs 13G counts, amendments, reporting-person names and EDGAR links. 13D is the schedule filed without a passive/qualified certification. Public-domain SEC EDGAR. $0.005 per call.

Endpoint

GET https://x402.ottoai.services/13d-activist-watch

4

Calls / 30d

3

Unique payers / 30d

Sep 9

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://x402.ottoai.services/13d-activist-watch", {
  method: "GET",
});
const data = await res.json();
cURL
curl -X GET \
  "https://x402.ottoai.services/13d-activist-watch?ticker=GME" \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "data": {
    "caveats": [
      {
        "affects": [
          "summary.schedule13DCount"
        ],
        "code": "schedule_13d_vs_13g",
        "plain": "Schedule 13D and Schedule 13G are different filings. A 13G is the short form, available only to filers who certify they are a qualified institution, exempt, or passive. A 13D is the general schedule, filed by holders who do NOT make that certification — which is why a 13D is the one worth reading closely. That is the whole of what the form type tells you: it is not a declaration of activism, and it says nothing about the size or direction of the stake."
      }
    ],
    "coverage": {
      "maxEventsChecked": 20,
      "subjectValidated": true
    },
    "events": [
      {
        "filedAt": "2026-08-14",
        "form": "SCHEDULE 13G/A",
        "isAmendment": true,
        "reportingPersonNames": [
          "Vanguard Group Inc"
        ],
        "schedule": "13G",
        "url": "https://www.sec.gov/Archives/edgar/data/1326380/000110465926098123/"
      }
    ],
    "generatedAt": "2026-09-01T12:00:00.000Z",
    "issuer": {
      "cik": "1326380",
      "name": "GameStop Corp."
    },
    "methodology": "https://docs.useotto.xyz/acp-swarm/sec-filings-methodology",
    "note": "Schedule 13D and 13G beneficial-ownership filings made about this company, each one checked against its own cover page to confirm this company is the subject.",
    "summary": {
      "amendmentCount": 6,
      "distinctReportingPersons": 7,
      "eventCount": 10,
      "latest13DFiledAt": "2026-05-02",
      "latestFiledAt": "2026-08-14",
      "schedule13DCount": 2,
      "schedule13GCount": 8
    },
    "ticker": "GME",
    "window": {
      "end": "2026-09-01",
      "lookbackDays": 365,
      "start": "2025-09-01"
    }
  },
  "meta": {
    "dataAsOf": "",
    "degraded": false,
    "generatedAt": "",
    "stalenessSec": 0,
    "validUntil": ""
  },
  "status": "success"
}

Payment details

Pay to0x0e84ddedaae6a779c462c22a59f301ec31b6b808
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase, Solana
Schemesexact

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