Recent SEC Schedule 13D Filings (Activist Ownership Stakes)

{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}

{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "items": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "type": {
                "type": "string",
                "description": "Observed as the literal string '13D' on every entry."
              },
              "view": {
                "type": "string",
                "description": "Observed as the literal string 'Filing History' on every entry."
              },
              "company_symbol": {
                "type": "string",
                "description": "The public company's name and ticker together in one string, e.g. 'MONRO INC MNRO'."
              },
              "filed_by_symbol": {
                "type": "string",
                "description": "The filer's name as disclosed on the Schedule 13D -- an institutional investor (e.g. 'GAMCO INVESTORS, INC. ET AL GBL') or, on some filings, an individual activist investor's own name (e.g. 'Leonard M. Tannenbaum') -- this is the SEC-mandated public disclosure of who crossed the ownership threshold."
              },
              "transaction_date": {
                "type": "string",
                "description": "The underlying transaction date, e.g. '2026-03-09' (YYYY-MM-DD)."
              },
              "reported_datetime": {
                "type": "string",
                "description": "e.g. '2026-03-11 4:00 pm Purchase' -- a timestamp the feed was reported at, with the transaction type appended as a trailing word (Purchase/Sale/Unchanged)."
              },
              "shares_owned_owned": {
                "type": "string",
                "description": "Shares now owned and the resulting ownership percentage in one string, e.g. '11,969,079 12.900%'."
              },
              "shares_vs_prev_report": {
                "type": "string",
                "description": "The change in shares owned since the filer's previous report, e.g. '34,400 (+0.29%)', or a descriptor like '(New Position)' or '(Unchanged)' when there is no simple prior numeric baseline."
              }
            },
            "additionalProperties": true
          },
          "description": "20 entries on the one real call observed -- a fixed-size recent feed, not a customer-controllable page; whether the true page size is always 20 is unconfirmed."
        }
      },
      "additionalProperties": true
    },
    "status": {
      "type": "string",
      "description": "'success' on the one real call observed."
    }
  },
  "description": "The filings feed, as returned at routing.responseResultPath ($.output).",
  "additionalProperties": true
}