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Filing Detail
Form 485BPOS - Post-effective amendment [Rule 485(b)]:
SEC Accession No. 0001104659-19-075969
Filing Date
2019-12-26
Accepted
2019-12-26 11:11:55
Documents
28
Effectiveness Date
2019-12-27

Document Format Files

Seq Description Document Type Size
1 POST-EFFECTIVE AMENDMENT FILED PURSUANT TO SECURITIES ACT RULE 485(B) a19-20713_1485bpos.htm 485BPOS 17422332
2 EX-99.(D)10 a19-20713_1ex99dd10.htm EX-99.(D)10 18051
3 EX-99.(D)11 a19-20713_1ex99dd11.htm EX-99.(D)11 27534
4 EX-99.(G)9 a19-20713_1ex99dg9.htm EX-99.(G)9 432757
5 EX-99.(I)2 a19-20713_1ex99di2.htm EX-99.(I)2 3907
6 EX-99.(J)1 a19-20713_1ex99dj1.htm EX-99.(J)1 4635
7 EX-99.(J)2 a19-20713_1ex99dj2.htm EX-99.(J)2 4249
8 EX-99.(P) a19-20713_1ex99dp.htm EX-99.(P) 137742
10 GRAPHIC g207133bs01i001.gif GRAPHIC 3581
11 GRAPHIC g207133bs01i002.gif GRAPHIC 14712
12 GRAPHIC g207133bm01i001.gif GRAPHIC 3581
13 GRAPHIC g207133bm01i002.jpg GRAPHIC 13295
14 GRAPHIC g207133bq01i001.gif GRAPHIC 3581
15 GRAPHIC g207133bq01i002.jpg GRAPHIC 18085
16 GRAPHIC g207133bo01i001.gif GRAPHIC 3581
17 GRAPHIC g207133bo01i002.gif GRAPHIC 10359
18 GRAPHIC g207133bi01i001.gif GRAPHIC 3581
19 GRAPHIC g207133bi01i002.jpg GRAPHIC 18216
20 GRAPHIC g207132cai001.gif GRAPHIC 9159
21 GRAPHIC g207133bu01i001.gif GRAPHIC 3581
22 GRAPHIC g207133bu01i002.gif GRAPHIC 15372
23 GRAPHIC g207132nci001.gif GRAPHIC 3951
24 GRAPHIC g207132nci002.jpg GRAPHIC 19800
25 GRAPHIC g207133bw01i001.gif GRAPHIC 3581
26 GRAPHIC g207133bw01i002.jpg GRAPHIC 14226
27 GRAPHIC g207133bg01i001.gif GRAPHIC 3581
28 GRAPHIC g207133bg01i002.jpg GRAPHIC 13134
29 GRAPHIC g207134bi01i001.gif GRAPHIC 3581
  Complete submission text file 0001104659-19-075969.txt   18318805

Series and Classes/Contracts Information:

Existing
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000762   MFS U.S. Government Cash Reserve Fund
Class/Contract C000002179   A MSRXX
Class/Contract C000002180   529B MRBXX
Class/Contract C000002181   529C MRCXX
Class/Contract C000002182   B MCRXX
Class/Contract C000002183   C MCCXX
Class/Contract C000002184   R1 CRVXX
Class/Contract C000002186   R2 CRMXX
Class/Contract C000002187   R3 CRJXX
Class/Contract C000002188   R4 CRKXX
Class/Contract C000002189   529A MACXX
Class/Contract C000206004   R6 CRRXX
Class/Contract C000206005   I CRHXX
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000763   MFS Core Equity Fund
Class/Contract C000002190   A MRGAX
Class/Contract C000002191   R4 MRGJX
Class/Contract C000002192   B MRGBX
Class/Contract C000002193   C MRGCX
Class/Contract C000002194   I MRGRX
Class/Contract C000002196   R1 MRGGX
Class/Contract C000002198   R2 MRERX
Class/Contract C000002199   R3 MRGHX
Class/Contract C000124424   R6 MRGKX
Class/Contract C000199253   T
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000765   MFS New Discovery Fund
Class/Contract C000002210   A MNDAX
Class/Contract C000002211   R4 MNDJX
Class/Contract C000002215   B MNDBX
Class/Contract C000002216   C MNDCX
Class/Contract C000002217   I MNDIX
Class/Contract C000002219   R1 MNDGX
Class/Contract C000002221   R2 MNDRX
Class/Contract C000002222   R3 MNDHX
Class/Contract C000075013   R6 MNDKX
Class/Contract C000199254   T
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000766   MFS Research International Fund
Class/Contract C000002223   A MRSAX
Class/Contract C000002224   R4 MRSJX
Class/Contract C000002225   529A EARSX
Class/Contract C000002226   529B EBRIX
Class/Contract C000002227   529C ECRIX
Class/Contract C000002228   B MRIBX
Class/Contract C000002229   C MRICX
Class/Contract C000002230   I MRSIX
Class/Contract C000002232   R1 MRSGX
Class/Contract C000002234   R2 MRSRX
Class/Contract C000002235   R3 MRSHX
Class/Contract C000034436   R6 MRSKX
Class/Contract C000199255   T
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000768   MFS Technology Fund
Class/Contract C000002249   A MTCAX
Class/Contract C000002250   R4 MTCJX
Class/Contract C000002251   B MTCBX
Class/Contract C000002252   C MTCCX
Class/Contract C000002253   I MTCIX
Class/Contract C000002255   R1 MTCKX
Class/Contract C000002257   R2 MTERX
Class/Contract C000002258   R3 MTCHX
Class/Contract C000124425   R6 MTCLX
Class/Contract C000199256   T
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000769   MFS Value Fund
Class/Contract C000002259   A MEIAX
Class/Contract C000002260   R4 MEIJX
Class/Contract C000002261   529A EAVLX
Class/Contract C000002262   529B EBVLX
Class/Contract C000002263   529C ECVLX
Class/Contract C000002264   B MFEBX
Class/Contract C000002265   C MEICX
Class/Contract C000002266   I MEIIX
Class/Contract C000002268   R1 MEIGX
Class/Contract C000002270   R2 MVRRX
Class/Contract C000002271   R3 MEIHX
Class/Contract C000033014   R6 MEIKX
Class/Contract C000199257   T
  Status Name Ticker Symbol
CIK 0000798244      
Series S000042701   MFS Low Volatility Equity Fund
Class/Contract C000132013   A MLVAX
Class/Contract C000132014   B MLVBX
Class/Contract C000132015   C MLVGX
Class/Contract C000132016   I MLVHX
Class/Contract C000132017   R1 MLVMX
Class/Contract C000132018   R2 MLVOX
Class/Contract C000132019   R3 MLVPX
Class/Contract C000132020   R4 MLVRX
Class/Contract C000132021   R6 MLVTX
Class/Contract C000199258   T
  Status Name Ticker Symbol
CIK 0000798244      
Series S000042702   MFS Low Volatility Global Equity Fund
Class/Contract C000132022   A MVGAX
Class/Contract C000132023   B MVGBX
Class/Contract C000132024   C MVGCX
Class/Contract C000132025   I MVGIX
Class/Contract C000132026   R1 MVGJX
Class/Contract C000132027   R2 MVGKX
Class/Contract C000132028   R3 MVGLX
Class/Contract C000132029   R4 MVGMX
Class/Contract C000132030   R6 MVGNX
Class/Contract C000199259   T
Mailing Address 111 HUNTINGTON AVENUE 24TH FLOOR BOSTON MA 02199
Business Address 111 HUNTINGTON AVENUE 24TH FLOOR BOSTON MA 02199 18006372929
MFS SERIES TRUST I (Filer) CIK: 0000798244 (see all company filings)

IRS No.: 000000000 | State of Incorp.: MA | Fiscal Year End: 1130
Type: 485BPOS | Act: 33 | File No.: 033-07638 | Film No.: 191309226

Mailing Address 111 HUNTINGTON AVENUE 24TH FLOOR BOSTON MA 02199
Business Address 111 HUNTINGTON AVENUE 24TH FLOOR BOSTON MA 02199 18006372929
MFS SERIES TRUST I (Filer) CIK: 0000798244 (see all company filings)

IRS No.: 000000000 | State of Incorp.: MA | Fiscal Year End: 1130
Type: 485BPOS | Act: 40 | File No.: 811-04777 | Film No.: 191309227