MFS SERIES TRUST X
    SEC Filings

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    All SEC filings by MFS SERIES TRUST X — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.

    Financials

    N-CENAnnual report (registered investment company)Aug 13, 2026
    N-CSRCertified annual shareholder report (management investment company)Jul 28, 2026
    N-CSRSCertified semi-annual shareholder report (management investment company)Jul 28, 2026
    N-CSRSCertified semi-annual shareholder report (management investment company)Jun 25, 2026
    N-CSRSCertified semi-annual shareholder report (management investment company)Mar 30, 2026
    N-CENAnnual report (registered investment company)Feb 12, 2026
    N-CSRSCertified semi-annual shareholder report (management investment company)Jan 28, 2026
    N-CSRCertified annual shareholder report (management investment company)Jan 27, 2026
    N-CENAnnual report (registered investment company)Jan 14, 2026
    N-CSRCertified annual shareholder report (management investment company)Dec 29, 2025

    Events

    No results found.

    Registrations and Prospectuses

    40-APP/AApplication for exemptive order (Investment Company Act)Sep 16, 2011
    40-APP/AApplication for exemptive order (Investment Company Act)Jul 22, 2010
    40-APP/AApplication for exemptive order (Investment Company Act)May 7, 2009
    40-APP/AApplication for exemptive order (Investment Company Act)Mar 19, 2009
    40-APP/AApplication for exemptive order (Investment Company Act)Nov 26, 2008
    40-APPApplication for exemptive order (Investment Company Act)Apr 17, 2008
    40-APP/AApplication for exemptive order (Investment Company Act)Jan 12, 2006
    40-APPApplication for exemptive order (Investment Company Act)Sep 15, 2005
    AWWithdrawal of amendmentMay 20, 2005

    Proxies

    N-PXAnnual report of proxy voting recordAug 26, 2026
    N-PXAnnual report of proxy voting recordAug 26, 2026
    N-PXAnnual report of proxy voting recordAug 28, 2025
    DEFA14AAdditional proxy soliciting materialsSep 30, 2024
    DEF 14ADefinitive proxyView DiffSep 13, 2024
    N-PXAnnual report of proxy voting recordAug 27, 2024
    N-PXAnnual report of proxy voting recordAug 27, 2024
    N-PXAnnual report of proxy voting recordAug 29, 2023
    N-PXAnnual report of proxy voting recordAug 29, 2022
    DEF 14ADefinitive proxyJan 10, 2022

    Other

    CORRESPCorrespondence with SECAug 19, 2025
    CORRESPCorrespondence with SECMar 21, 2025
    CORRESPCorrespondence with SECMar 11, 2025
    CORRESPCorrespondence with SECSep 24, 2021
    CORRESPCorrespondence with SECMar 22, 2021
    CORRESPCorrespondence with SECJun 17, 2020
    CORRESPCorrespondence with SECJan 29, 2020
    CORRESPCorrespondence with SECApr 16, 2019
    CORRESPCorrespondence with SECApr 6, 2017
    CORRESPCorrespondence with SECSep 23, 2016

    Ownership

    NPORT-PMfs International Diversification Fund (may 2026 Report)Jul 27, 2026
    NPORT-PMfs Blended Research Value Equity Fund (may 2026 Report)Jul 27, 2026
    NPORT-PMfs Managed Wealth Fund (may 2026 Report)Jul 27, 2026
    NPORT-PMfs Conservative Allocation Fund (may 2026 Report)Jul 27, 2026
    NPORT-PMfs Emerging Markets Equity Fund (may 2026 Report)Jul 27, 2026
    NPORT-PMfs Blended Research Small Cap Equity Fund (may 2026 Report)Jul 27, 2026
    NPORT-PMfs International Intrinsic Value Fund (may 2026 Report)Jul 27, 2026
    NPORT-PMfs Aggressive Growth Allocation Fund (may 2026 Report)Jul 27, 2026
    NPORT-PMfs Blended Research Growth Equity Fund (may 2026 Report)Jul 27, 2026
    NPORT-PMfs International Growth Fund (may 2026 Report)Jul 27, 2026