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Filing Detail
Form N-CSRS - Certified Shareholder Report, Semi-Annual:
SEC Accession No. 0001683863-23-003471
Filing Date
2023-04-19
Accepted
2023-04-19 14:23:49
Documents
51
Period of Report
2023-02-28
Effectiveness Date
2023-04-19

Document Format Files

Seq Description Document Type Size
1 MFS SERIES TRUST I NCSRS f25251d1.htm N-CSRS 7763129
2 99.302CERT f25251d2.htm EX-99.302 CERT 15082
3 99.906CERT f25251d3.htm EX-99.906 CERT 5316
4 GRAPHIC img15e1eec02.gif GRAPHIC 201
5 GRAPHIC img1d85c54a3.jpg GRAPHIC 4827
6 GRAPHIC img6c5c94bc1.gif GRAPHIC 1365
7 GRAPHIC imgdae07f226.jpg GRAPHIC 3717
8 GRAPHIC imgf1f828f75.jpg GRAPHIC 8518
9 GRAPHIC imgf6beeee54.gif GRAPHIC 10385
10 GRAPHIC img47f54c713.jpg GRAPHIC 4827
11 GRAPHIC img7d7f922b6.jpg GRAPHIC 3717
12 GRAPHIC img885775671.gif GRAPHIC 1365
13 GRAPHIC img8c9407c05.jpg GRAPHIC 8561
14 GRAPHIC imgb7874c3d4.gif GRAPHIC 10385
15 GRAPHIC imgb837b89f2.gif GRAPHIC 201
16 GRAPHIC img0efdb35d4.gif GRAPHIC 10385
17 GRAPHIC img4c1687d71.gif GRAPHIC 1365
18 GRAPHIC img7ea022c12.gif GRAPHIC 201
19 GRAPHIC img85e380c36.jpg GRAPHIC 3717
20 GRAPHIC imgaf30bff03.jpg GRAPHIC 4827
21 GRAPHIC imgd8e0eced5.jpg GRAPHIC 8470
22 GRAPHIC img0445875b2.gif GRAPHIC 201
23 GRAPHIC img10ad4f401.gif GRAPHIC 1365
24 GRAPHIC img1ef20eac6.jpg GRAPHIC 3717
25 GRAPHIC img481e75ac4.gif GRAPHIC 10385
26 GRAPHIC img899b4d093.jpg GRAPHIC 4827
27 GRAPHIC imgf29faef75.jpg GRAPHIC 9467
28 GRAPHIC img078a22892.gif GRAPHIC 201
29 GRAPHIC img553f65011.gif GRAPHIC 1365
30 GRAPHIC img74987f174.gif GRAPHIC 10385
31 GRAPHIC img7cec47036.jpg GRAPHIC 3717
32 GRAPHIC imgd03a632f5.jpg GRAPHIC 9565
33 GRAPHIC imge0aae4a63.jpg GRAPHIC 4827
34 GRAPHIC img19a585bd2.gif GRAPHIC 201
35 GRAPHIC img2941d62f6.jpg GRAPHIC 3717
36 GRAPHIC img81861b015.jpg GRAPHIC 9511
37 GRAPHIC img9671f1c23.jpg GRAPHIC 4827
38 GRAPHIC imgaa6edda91.gif GRAPHIC 1365
39 GRAPHIC imgdaa7a65b4.gif GRAPHIC 10385
40 GRAPHIC img0ec5e0881.gif GRAPHIC 1365
41 GRAPHIC img2b07aa452.gif GRAPHIC 201
42 GRAPHIC img5a9c4e8f5.jpg GRAPHIC 13243
43 GRAPHIC img830717db3.jpg GRAPHIC 4827
44 GRAPHIC imga24bfc374.gif GRAPHIC 10385
45 GRAPHIC imgca4dc8eb6.jpg GRAPHIC 3717
46 GRAPHIC img1fa116b52.gif GRAPHIC 201
47 GRAPHIC img2c54d0433.jpg GRAPHIC 4827
48 GRAPHIC img36986f9f1.gif GRAPHIC 1365
49 GRAPHIC img582a01845.jpg GRAPHIC 8499
50 GRAPHIC img623288444.gif GRAPHIC 10385
51 GRAPHIC imgf6d37c3f6.jpg GRAPHIC 3717
  Complete submission text file 0001683863-23-003471.txt   8129592

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 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 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
  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
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000766   MFS Research International Fund
Class/Contract C000002223   A MRSAX
Class/Contract C000002224   R4 MRSJX
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
  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
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000769   MFS Value Fund
Class/Contract C000002259   A MEIAX
Class/Contract C000002260   R4 MEIJX
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
  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
  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
Mailing Address 111 HUNTINGTON AVENUE 21ST FLOOR BOSTON MA 02199
Business Address 111 HUNTINGTON AVENUE 21ST 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: N-CSRS | Act: 40 | File No.: 811-04777 | Film No.: 23829722