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MFS Series Trust X 
 MA
  SEC # 783740


        
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2,504  SEC Filings
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  from  1/31/94  to  3/27/24  (Yesterday)

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  Filer / Offerer   Owner / Insider   Issuer / Subject Company   Filing Agent   
 
Most-Recent Filing:    ‘497K’ — Prospectus – Open-End Investment Company – Summary — Filed as:  Filer / Offerer 
 
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notifications of all
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Filings
involving  MFS Series Trust X 

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Forms
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, Documents
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& Exhibits
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 in  2,504 Filings
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 Filed as:  Filer / Offerer  or  Owner / Insider


        
Latest Filing  Type    Category    Description        Documents
     
3/27/24 New Document this Past Month!497KRegistration:  Prospectuses – Certain Open-End Investment Companies – Summary  New Document this Past Month! 350
3/27/24 New Document this Past Month!485BPOSRegistration:  Post-Effective Amendments of Form N-1 and N-1A Registrations  New Document this Past Month!  — Financial Reports
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133
3/26/24 New Document this Past Month!N-CSRSUpdate:  Semi-Annual Certified Shareholder Reports by Investment Companies — Form N-CSR  New Document this Past Month! 66
3/26/24 New Document this Past Month!NPORT-PUpdate:  Monthly Portfolio Investments Reports (Released Quarterly) by Investment Companies — Form N-PORT  New Document this Past Month! 288
3/26/24 New Document this Past Month!NPORT-EXUpdate:  Portfolio Holdings Schedules by Investment Companies — Form N-PORT  New Document this Past Month! 153
3/15/24 New Document this Past Month!497Registration:  Definitive Materials  New Document this Past Month!  — Financial Reports
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965
3/4/24 New Document this Past Month!497JRegistration:  Certifications of No Change in Definitive Materials  New Document this Past Month! 94
2/8/24N-CENUpdate:  Annual Reports by Investment Companies — Form N-CEN24
2/6/2424F-2NTUpdate:  Annual Notices of Securities Sold by Investment Companies — Form 24F-282
1/25/24N-CSRUpdate:  Annual Certified Shareholder Reports by Investment Companies — Form N-CSR67
8/29/23N-PXProxy:  Annual Proxy Voting Reports by Investment Companies — Form N-PX20
7/28/23485APOSRegistration:  Post-Effective Amendments of Form N-1 and N-1A Registrations37
4/4/2340-17GUpdate:  Fidelity Bonds for Investment Companies21
1/10/22 OLDDEF 14AProxy:  Definitive Proxy Statements — Schedule 14A  OLD 5
12/17/21 OLDPRE 14AProxy:  Preliminary Proxy Statements — Schedule 14A  OLD 2
9/24/21 OLDCORRESPComment:  Comment-Response and Other Letters to the SEC  [ a.k.a. COVER ]  OLD  — All Correspondence with the SEC
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17
4/23/19 OLDN-QUpdate:  Quarterly Portfolio Holdings Schedules by Investment Companies — Form N-Q  OLD 86
7/30/18 OLDNSAR-BUpdate:  Annual Reports by Investment Companies — Form N-SAR  OLD 65
3/29/18 OLDNSAR-AUpdate:  Semi-Annual Reports by Investment Companies — Form N-SAR  OLD 58
2/1/17 OLDDEFA14AProxy:  Definitive Additional Proxy Soliciting Materials — Schedule 14A  OLD 9
1/28/15 OLDNSAR-BTUpdate:  Annual-Transition Reports by Investment Companies — Form N-SAR  OLD 2
9/16/11 OLD40-APPRegistration:  Applications for Exemption Orders and Other Relief by Investment Companies  OLD 8
5/20/05 OLDAWRegistration:  Amendment Withdrawal Request  OLD 1
2/10/05 OLD40-33Update:  Stockholder Derivative Action Against an Investment Company or an Affiliate  OLD 1
3/24/03 OLDN-30DUpdate:  Annual and Semi-Annual Reports Mailed to Shareholders by Investment Companies  OLD 88
8/27/01 OLDDEFS14AProxy:  Definitive Proxy Statement – Special Meeting — Schedule 14A  OLD 1
7/27/01 OLDPRES14AProxy:  Preliminary Proxy Statement – Special Meeting — Schedule 14A  OLD 1
11/28/95 OLD485B24ERegistration:  Post-Effective Amendments of Form N-1 and N-1A Registrations  OLD 2
6/16/95 OLDPOS AMIRegistration:  Post-Effective Amendment of a Registration Statement by an Investment Company  OLD 1
3/31/94 OLDNSAR-ATUpdate:  Semi-Annual-Transition Report by an Investment Company — Form N-SAR  OLD 1

Letters: 
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1/28/21 OLDCOVERComment-Response and Cover Letters to the SEC  [ a.k.a. CORRESP ]  OLD  — All Correspondence with the SEC10

Form-Specific Documents: 
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3/26/24 New Exhibit this Past Month!NPORT-EXPortfolio Holdings Schedules — Form N-PORT  New Exhibit this Past Month! 153

General Exhibits: 
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10/30/03 OLDEX-10Material Contracts  OLD 2
10/30/03 OLDEX-9Voting Trust Agreements  OLD 3
12/23/02 OLDEX-1Underwriting Agreement or Conflict Minerals Report  (or mislabeled “1st Exhibit”)  OLD 1

Additional Exhibits: 
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3/27/24 New Exhibit this Past Month!EX-99  &  EX-99.*Miscellaneous Exhibits, such as Press Releases  New Exhibit this Past Month! EX-99.*  Form-Specific Exhibits...  Form N-14:  1 Bylaws — Form N-1A:  1 Articles of Incorporation/Organization;  2 Opinions of Counsel re: Legality;  6 Other Opinions — Form N-2:  2 Codes of Ethics — Form N-CSR:  205 Certifications — §302 – SOA’02;  105 Certifications — §906 – SOA’02;  28 Codes of Ethics — Form N-SAR:  78 Accountants’ Reports re: Internal Controls;  1 Certification — §302 – SOA’02;  34 Changes in Control;  1 Late-Filing Report — Reg. S-K – Item 405;  4 Legal Proceedings;  35 Matters Submitted to Votes of Security Holders;  129 Other Disclosures;  23 Policies re: Security Investments;  27 Terms of New and Amended Securities  (682 total)1,335

Investment Company Exhibits: 
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2/8/24INTERNAL CONTROL RPTAccountants’ Reports re: Internal Controls29

Financials: 
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3/27/24 New Report this Past Month!XML  &  R#IDEA Financial Reports Info  New Report this Past Month!  — Financial Reports
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966
3/27/24 New Exhibit this Past Month!EX-101.*XBRL Data  (XBRL Files)  New Exhibit this Past Month! 648
3/27/24 New Exhibit this Past Month!JSONXBRL Instances as JavaScript Object Notation Data  (JSON Files)  New Exhibit this Past Month! 30
3/27/24 New Folder this Past Month!ZIPXBRL Zipped Folders
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  (Folders of XBRL Files)  New Folder this Past Month! 
113
3/11/22 OLDEXCELIDEA Workbooks of Financial Reports Info  OLD  — Workbooks of Financial Reports
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76
9/26/00 OLDEX-27Financial Data Schedules {Pre-XBRL}  OLD  — Financial Reports
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244

Graphics: 
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3/27/24 New Graphic this Past Month!GRAPHICPhotos, Images and Graphs  New Graphic this Past Month! 6,023

Funds / Series  and their  Classes / Contracts

   As Of   Fund / Series — Filings for F/S#...
     Class / Contract — Filings for C/C#...    Symbol
 
2024: 3/15/24 MFS Aggressive Growth Allocation FundS#2506
 AC#6838MAAGX
 BC#6843MBAGX
 CC#6844MCAGX
 IC#6845MIAGX
 R1C#6847MAAFX
 R2C#6849MAWAX
 R3C#6850MAAHX
 R4C#6839MAALX
 R6C#231058AGGPX
 529AC#6840EAGTX
 529BC#6841EBAAX
 529CC#6842ECAAX
 TC#195677
 old R2C#6848MAAMX
 RC#6846MAARX
 3/15/24 MFS Blended Research Growth Equity FundS#50658
 AC#160020BRWAX
 BC#160021BRWBX
 CC#160022BRWCX
List all Funds / Series and their Classes / Contracts


No Forms
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 nor  Documents
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 Filed re:  Issuer / Subject Company


        

        

Filings History

Year    # of Filings
In descending order
2024 32
2023 153
2022 134
2021 145
2020 153
2019 121
2018 98
2017 137
2016 103
2015 97
2014 77
2013 61
2012 83
2011 96
2010 80
2009 68
2008 76
2007 79
2006 66
2005 73
2004 80
2003 104
2002 76
2001 69
2000 50
1999 41
1998 44
1997 35
1996 42
1995 28
1994 3

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