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Filing Detail
Form N-CSR - Certified Shareholder Report:
SEC Accession No. 0001193125-11-284035
Filing Date
2011-10-27
Accepted
2011-10-27 15:30:18
Documents
56
Period of Report
2011-08-31
Effectiveness Date
2011-10-27

Document Format Files

Seq Description Document Type Size
1 MFS SERIES TRUST I N-CSR d228742dncsr.htm N-CSR 6536184
2 CODE OF ETHICS d228742dex9912a1.htm EX-99.(12)(A)(1) 30496
3 SECTION 302 CERTIFICATIONS d228742dex99cert.htm EX-99.CERT 19803
4 SECTION 906 CERTIFICATIONS d228742dex99906cert.htm EX-99.906CERT 7485
5 GRAPHIC g222693202c_boxes.jpg GRAPHIC 19527
6 GRAPHIC g222693edelivery_logo.jpg GRAPHIC 10351
7 GRAPHIC g222693ernst_youngllp.jpg GRAPHIC 8676
8 GRAPHIC g222693g02b41.jpg GRAPHIC 11306
9 GRAPHIC g222693g10p54.jpg GRAPHIC 7604
10 GRAPHIC g222693g28e17.jpg GRAPHIC 6580
11 GRAPHIC g222693g50a22.jpg GRAPHIC 35753
12 GRAPHIC g222693g64j68.jpg GRAPHIC 12732
13 GRAPHIC g222693logo_01.jpg GRAPHIC 9632
14 GRAPHIC g222732202c_boxes.jpg GRAPHIC 19527
15 GRAPHIC g222732edelivery_logo.jpg GRAPHIC 10351
16 GRAPHIC g222732ernst_youngllp.jpg GRAPHIC 8676
17 GRAPHIC g222732g02b41.jpg GRAPHIC 11507
18 GRAPHIC g222732g10p54.jpg GRAPHIC 7604
19 GRAPHIC g222732g28e17.jpg GRAPHIC 6580
20 GRAPHIC g222732g50a22.jpg GRAPHIC 32994
21 GRAPHIC g222732g64j68.jpg GRAPHIC 12732
22 GRAPHIC g222732logo_01.jpg GRAPHIC 9632
23 GRAPHIC g222960202c_boxes.jpg GRAPHIC 19527
24 GRAPHIC g222960edelivery_logo.jpg GRAPHIC 10351
25 GRAPHIC g222960ernst_youngllp.jpg GRAPHIC 8676
26 GRAPHIC g222960g02b41.jpg GRAPHIC 11507
27 GRAPHIC g222960g10p54.jpg GRAPHIC 7604
28 GRAPHIC g222960g28e17.jpg GRAPHIC 6580
29 GRAPHIC g222960g50a22.jpg GRAPHIC 41983
30 GRAPHIC g222960g64j68.jpg GRAPHIC 12732
31 GRAPHIC g222960logo_01.jpg GRAPHIC 9632
32 GRAPHIC g223319202c_boxes.jpg GRAPHIC 19527
33 GRAPHIC g223319edelivery_logo.jpg GRAPHIC 10351
34 GRAPHIC g223319ernst_youngllp.jpg GRAPHIC 8676
35 GRAPHIC g223319g02b41.jpg GRAPHIC 11408
36 GRAPHIC g223319g10p54.jpg GRAPHIC 7604
37 GRAPHIC g223319g28e17.jpg GRAPHIC 6580
38 GRAPHIC g223319g50a22.jpg GRAPHIC 41929
39 GRAPHIC g223319g64j68.jpg GRAPHIC 12732
40 GRAPHIC g223319logo_01.jpg GRAPHIC 9632
41 GRAPHIC g223467202c_boxes.jpg GRAPHIC 19527
42 GRAPHIC g223467edelivery_logo.jpg GRAPHIC 10351
43 GRAPHIC g223467ernst_youngllp.jpg GRAPHIC 8676
44 GRAPHIC g223467g02b41.jpg GRAPHIC 11542
45 GRAPHIC g223467g10p54.jpg GRAPHIC 7604
46 GRAPHIC g223467g28e17.jpg GRAPHIC 6580
47 GRAPHIC g223467g50a22.jpg GRAPHIC 33473
48 GRAPHIC g223467g64j68.jpg GRAPHIC 12732
49 GRAPHIC g223467logo_01.jpg GRAPHIC 9632
50 GRAPHIC g224036202c_boxes.jpg GRAPHIC 19527
51 GRAPHIC g224036edelivery_logo.jpg GRAPHIC 10351
52 GRAPHIC g224036g10p54.jpg GRAPHIC 7604
53 GRAPHIC g224036g18h53.jpg GRAPHIC 26344
54 GRAPHIC g224036g28e17.jpg GRAPHIC 6580
55 GRAPHIC g224036g64j68.jpg GRAPHIC 12732
56 GRAPHIC g224036logo_01.jpg GRAPHIC 9632
  Complete submission text file 0001193125-11-284035.txt   7592218

Series and Classes/Contracts Information:

Existing
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000762   MFS 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
  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
  Status Name Ticker Symbol
CIK 0000798244      
Series S000000765   MFS New Discovery Fund
Class/Contract C000002210   A MNDAX
Class/Contract C000002211   R4 MNDJX
Class/Contract C000002212   529A EANDX
Class/Contract C000002213   529B EBNDX
Class/Contract C000002214   529C ECNDX
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
  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   Class W Shares MRIWX
  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
  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   Class W Shares MEIWX
Mailing Address 500 BOYLSTON ST 15TH FLOOR BOSTON MA 02116
Business Address 500 BOYLSTON ST 15 TH FL BOSTON MA 02116 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-CSR | Act: 40 | File No.: 811-04777 | Film No.: 111161788