Tool detail

Otto AI

Returns Schedule 13D and 13G beneficial-ownership filings about a ticker from the last 365 days, with counts, amendments, reporting-person names, and EDGAR links.

Categories: Company financials

Use when

track activist or large-shareholder stake filings for a ticker
count 13D vs 13G filings and amendments for a company over the past year

Not for

not filings BY the company about others - validated against the issuer's own cover page
not a passive-stake signal alone - 13D indicates a non-passive filer, 13G a passive/qualified one

Inputs

GET query param: ticker (string, required, e.g. NVDA, GME, MSTR).

Admitted input schema

{
  "type": "object",
  "properties": {
    "ticker": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "US-listed stock ticker symbol (e.g. NVDA, GME, MSTR)"
    }
  },
  "required": [
    "ticker"
  ],
  "additionalProperties": false
}

Endpoint

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

Payment

Protocol: x402
Listed price: 0.005 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://x402.ottoai.services/13d-activist-watch
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z