{
  "schema_version": "1",
  "accession_number": "0000912938-26-000943",
  "cik": "0000918571",
  "filer_name": "MFS VARIABLE INSURANCE TRUST  (CIK 0000918571)",
  "form_type": "PRE 14A",
  "is_amendment": false,
  "filed_at": "2026-10-08T00:00:00.000Z",
  "indexed_at": "2026-10-08T20:17:12.913Z",
  "edgar_url": "https://www.sec.gov/Archives/edgar/data/918571/000091293826000943/0000912938-26-000943-index.htm",
  "secfilingdex_url": "https://secfilingdex.com/filing/0000912938-26-000943/",
  "license": "U.S. government works are public domain (17 U.S.C. § 105). Editorial annotations CC-BY-4.0.",
  "source": "SEC EDGAR"
}