let
    Source = Json.Document(
        Web.Contents(
            "https://sec-event-intelligence.p.rapidapi.com",
            [
                RelativePath = "v1/sec/watchlist/changes",
                Query = [
                    tickers = "AAPL,MSFT",
                    since = "2026-07-01",
                    limit = "10"
                ],
                Headers = [
                    #"x-rapidapi-host" = "sec-event-intelligence.p.rapidapi.com",
                    #"x-rapidapi-key" = RapidAPIKey
                ]
            ]
        )
    ),
    Groups = Source[data],
    GroupTable = Table.FromRecords(Groups, null, MissingField.UseNull),
    ExpandedChanges = Table.ExpandListColumn(GroupTable, "changes"),
    ExpandedChange = Table.ExpandRecordColumn(
        ExpandedChanges,
        "changes",
        {"changeType", "observedAt", "filing"},
        {"changeType", "observedAt", "filing"}
    ),
    ExpandedFiling = Table.ExpandRecordColumn(
        ExpandedChange,
        "filing",
        {"companyName", "form", "filedAt", "accessionNo", "filingUrl"},
        {"companyName", "form", "filedAt", "accessionNo", "filingUrl"}
    )
in
    ExpandedFiling