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Mailing Address 111 HUNTINGTON AVENUE 21ST FLOOR BOSTON MA 02199
Business Address 111 HUNTINGTON AVENUE 21ST FLOOR BOSTON MA 02199 18006372929
MFS SERIES TRUST X CIK#: 0000783740 (see all company filings)

State location: MA | State of Inc.: MA | Fiscal Year End: 1130
formerly: MFS GOVERNMENT MORTGAGE FUND (filings through 1995-09-29)
Class/Contract: C000006845 I 
Ticker Symbol:   MIAGX
(List all Funds and Classes/Contracts for MFS SERIES TRUST X)

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Items 1 - 40  0000783740 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
497  Documents Definitive materials
Acc-no: 0000912938-24-000279 (33 Act)  Size: 137 KB
2024-03-15 033-01657
24752695
497  Documents Definitive materials
Acc-no: 0000912938-24-000256 (33 Act)  Size: 83 KB
2024-02-29 033-01657
24699192
N-CSRS  Documents Certified Shareholder Report, Semi-Annual
Acc-no: 0001683863-24-000277 (40 Act)  Size: 13 MB
2024-01-25 811-04492
24560734
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-24-009997 (40 Act)  Size: 22 KB
2024-01-24 811-04492
24554383
497  Documents Definitive materials
Acc-no: 0000912938-23-000520 (33 Act)  Size: 137 KB
2023-12-29 033-01657
231524543
497  Documents Definitive materials
Acc-no: 0000912938-23-000510 (33 Act)  Size: 290 KB
2023-12-06 033-01657
231468545
497  Documents Definitive materials
Acc-no: 0000912938-23-000502 (33 Act)  Size: 685 KB
2023-11-28 033-01657
231442045
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-23-234868 (40 Act)  Size: 157 KB
2023-10-24 811-04492
231341347
497J  Documents Certification of no change in definitive materials
Acc-no: 0000912938-23-000422 (33 Act)  Size: 192 KB
2023-10-03 033-01657
231301703
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001104659-23-104156 (33 Act)  Size: 198 KB
2023-09-27 033-01657
231282405
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-23-104153 (40 Act)  Size: 38 MB
2023-09-27 811-04492
231282323
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-23-104153 (33 Act)  Size: 38 MB
2023-09-27 033-01657
231282322
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0001193125-23-223244 (40 Act)  Size: 1 MB
2023-08-29 811-04492
231218756
N-CEN  Documents Annual Report for Registered Investment Companies
Acc-no: 0001752724-23-172286 (40 Act)  Size: 938 KB
2023-08-11 811-04492
231162527
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0001683863-23-005881 (33 Act)  Size: 26 KB
2023-08-10 033-01657
231158350
485APOS  Documents Post-effective amendment [Rule 485(a)]
Acc-no: 0001104659-23-085110 (33 Act)  Size: 4 MB
2023-07-28 033-01657
231120434
485APOS  Documents Post-effective amendment [Rule 485(a)]
Acc-no: 0001104659-23-085110 (40 Act)  Size: 4 MB
2023-07-28 811-04492
231120435
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-23-160989 (40 Act)  Size: 22 KB
2023-07-25 811-04492
231106519
N-CSR  Documents Certified Shareholder Report
Acc-no: 0001683863-23-005540 (40 Act)  Size: 15 MB
2023-07-19 811-04492
231096140
497  Documents Definitive materials
Acc-no: 0000912938-23-000356 (33 Act)  Size: 20 KB
2023-06-28 033-01657
231050596
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001104659-23-073171 (33 Act)  Size: 203 KB
2023-06-21 033-01657
231027466
497  Documents   Interactive Data Definitive materials
Acc-no: 0001104659-23-073169 (33 Act)  Size: 1 MB
2023-06-21 033-01657
231027462
497  Documents Definitive materials
Acc-no: 0000912938-23-000351 (33 Act)  Size: 88 KB
2023-05-31 033-01657
23979129
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-23-084427 (40 Act)  Size: 157 KB
2023-04-24 811-04492
23838075
497  Documents Definitive materials
Acc-no: 0000912938-23-000304 (33 Act)  Size: 97 KB
2023-03-30 033-01657
23777297
497  Documents Definitive materials
Acc-no: 0000912938-23-000308 (33 Act)  Size: 107 KB
2023-03-30 033-01657
23777328
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-23-009176 (40 Act)  Size: 22 KB
2023-01-24 811-04492
23546029
N-CSRS  Documents Certified Shareholder Report, Semi-Annual
Acc-no: 0001683863-23-000169 (40 Act)  Size: 13 MB
2023-01-19 811-04492
23536498
497  Documents Definitive materials
Acc-no: 0000912938-22-000497 (33 Act)  Size: 260 KB
2022-12-29 033-01657
221496422
497  Documents Definitive materials
Acc-no: 0000912938-22-000499 (33 Act)  Size: 110 KB
2022-12-29 033-01657
221496711
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-22-234085 (40 Act)  Size: 157 KB
2022-10-25 811-04492
221327276
497J  Documents Certification of no change in definitive materials
Acc-no: 0000912938-22-000462 (33 Act)  Size: 101 KB
2022-10-03 033-01657
221286138
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001104659-22-103193 (33 Act)  Size: 174 KB
2022-09-27 033-01657
221267767
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-22-103188 (33 Act)  Size: 36 MB
2022-09-27 033-01657
221267754
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-22-103188 (40 Act)  Size: 36 MB
2022-09-27 811-04492
221267755
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0001193125-22-232523 (40 Act)  Size: 1 MB
2022-08-29 811-04492
221210258
497  Documents Definitive materials
Acc-no: 0000912938-22-000428 (33 Act)  Size: 22 KB
2022-08-26 033-01657
221199882
497  Documents Definitive materials
Acc-no: 0000912938-22-000424 (33 Act)  Size: 125 KB
2022-08-26 033-01657
221199841
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0001683863-22-005574 (33 Act)  Size: 45 KB
2022-08-16 033-01657
221168713
N-CEN  Documents Annual Report for Registered Investment Companies
Acc-no: 0001752724-22-174989 (40 Act)  Size: 946 KB
2022-08-11 811-04492
221154245