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SEC insider activity covers quarterly filings through June 30, 2026. Later filings are not included. Reported roles do not establish current employment or current holdings. SEC filing documents, sections and filing-text search cover filings dated January 1, 2000 onward. Earlier filings are deferred until after launch.
Summary
MFS SERIES TRUST X is an organization. It is a subsidiary of MASSACHUSETTS FINANCIAL SERVICES COMPANY. It has 17 known subsidiaries.
Legal entity: GLEIF