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Mailing Address 111 HUNTINGTON AVENUE BOSTON MA 02199
Business Address 111 HUNTINGTON AVENUE BOSTON MA 02199 617-954-5000
MFS SERIES TRUST XII CIK#: 0001330967 (see all company filings)

State location: MA | State of Inc.: MA | Fiscal Year End: 0430
Class/Contract: C000006794 B 
Ticker Symbol:   MLLBX
(List all Funds and Classes/Contracts for MFS SERIES TRUST XII)

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Items 1 - 40  0001330967 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
497  Documents Definitive materials
Acc-no: 0001741773-24-002218 (33 Act)  Size: 35 KB
2024-05-09 333-126328
24928776
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001741773-24-002238 (33 Act)  Size: 298 KB
2024-05-09 333-126328
24928823
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-24-066448 (40 Act)  Size: 235 KB
2024-03-26 811-21780
24780993
497  Documents Definitive materials
Acc-no: 0000912938-24-000279 (33 Act)  Size: 137 KB
2024-03-15 333-126328
24752693
497  Documents Definitive materials
Acc-no: 0000912938-23-000520 (33 Act)  Size: 137 KB
2023-12-29 333-126328
231524541
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-23-289788 (40 Act)  Size: 32 KB
2023-12-26 811-21780
231511427
N-CSRS  Documents Certified Shareholder Report, Semi-Annual
Acc-no: 0001683863-23-008514 (40 Act)  Size: 9 MB
2023-12-21 811-21780
231504651
497  Documents Definitive materials
Acc-no: 0000912938-23-000510 (33 Act)  Size: 290 KB
2023-12-06 333-126328
231468543
497  Documents Definitive materials
Acc-no: 0000912938-23-000502 (33 Act)  Size: 685 KB
2023-11-28 333-126328
231442043
497  Documents Definitive materials
Acc-no: 0000912938-23-000470 (33 Act)  Size: 303 KB
2023-10-31 333-126328
231362409
497  Documents Definitive materials
Acc-no: 0000912938-23-000419 (33 Act)  Size: 158 KB
2023-09-28 333-126328
231286287
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-23-212462 (40 Act)  Size: 235 KB
2023-09-25 811-21780
231273234
497J  Documents Certification of no change in definitive materials
Acc-no: 0000912938-23-000404 (33 Act)  Size: 128 KB
2023-09-01 333-126328
231230792
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0001193125-23-223248 (40 Act)  Size: 28 KB
2023-08-29 811-21780
231218759
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001104659-23-095207 (33 Act)  Size: 212 KB
2023-08-25 333-126328
231205222
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-23-095194 (40 Act)  Size: 34 MB
2023-08-25 811-21780
231205134
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-23-095194 (33 Act)  Size: 34 MB
2023-08-25 333-126328
231205133
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0001683863-23-005486 (33 Act)  Size: 39 KB
2023-07-18 333-126328
231093260
N-CEN  Documents Annual Report for Registered Investment Companies
Acc-no: 0001752724-23-151256 (40 Act)  Size: 642 KB
2023-07-11 811-21780
231081215
485APOS  Documents Post-effective amendment [Rule 485(a)]
Acc-no: 0001104659-23-075640 (33 Act)  Size: 11 MB
2023-06-28 333-126328
231049900
485APOS  Documents Post-effective amendment [Rule 485(a)]
Acc-no: 0001104659-23-075640 (40 Act)  Size: 11 MB
2023-06-28 811-21780
231049901
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-23-141636 (40 Act)  Size: 32 KB
2023-06-26 811-21780
231039490
N-CSR  Documents Certified Shareholder Report
Acc-no: 0001683863-23-005180 (40 Act)  Size: 10 MB
2023-06-26 811-21780
231039867
497  Documents   Interactive Data Definitive materials
Acc-no: 0001104659-23-073187 (33 Act)  Size: 1 MB
2023-06-21 333-126328
231027490
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001104659-23-073193 (33 Act)  Size: 166 KB
2023-06-21 333-126328
231027498
497  Documents Definitive materials
Acc-no: 0000912938-23-000351 (33 Act)  Size: 88 KB
2023-05-31 333-126328
23979128
497  Documents Definitive materials
Acc-no: 0000912938-23-000308 (33 Act)  Size: 107 KB
2023-03-30 333-126328
23777326
497  Documents Definitive materials
Acc-no: 0000912938-23-000304 (33 Act)  Size: 97 KB
2023-03-30 333-126328
23777294
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-23-066016 (40 Act)  Size: 235 KB
2023-03-27 811-21780
23761531
497  Documents Definitive materials
Acc-no: 0000912938-23-000256 (33 Act)  Size: 76 KB
2023-02-28 333-126328
23678818
497  Documents Definitive materials
Acc-no: 0000912938-22-000497 (33 Act)  Size: 260 KB
2022-12-29 333-126328
221496420
497  Documents Definitive materials
Acc-no: 0000912938-22-000499 (33 Act)  Size: 110 KB
2022-12-29 333-126328
221496709
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-22-289257 (40 Act)  Size: 32 KB
2022-12-23 811-21780
221483583
N-CSRS  Documents Certified Shareholder Report, Semi-Annual
Acc-no: 0001683863-22-007963 (40 Act)  Size: 9 MB
2022-12-22 811-21780
221482438
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001752724-22-215410 (40 Act)  Size: 234 KB
2022-09-26 811-21780
221264548
497J  Documents Certification of no change in definitive materials
Acc-no: 0000912938-22-000433 (33 Act)  Size: 96 KB
2022-08-31 333-126328
221216363
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0001193125-22-232550 (40 Act)  Size: 47 KB
2022-08-29 811-21780
221210312
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-22-094295 (40 Act)  Size: 31 MB
2022-08-25 811-21780
221194506
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0001104659-22-094307 (33 Act)  Size: 204 KB
2022-08-25 333-126328
221194658
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0001104659-22-094295 (33 Act)  Size: 31 MB
2022-08-25 333-126328
221194505