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Filing Detail
Form N-CSR - Certified Shareholder Report:
SEC Accession No. 0001193125-18-309934
Filing Date
2018-10-29
Accepted
2018-10-29 09:05:24
Documents
74
Period of Report
2018-08-31
Effectiveness Date
2018-10-29

Document Format Files

Seq Description Document Type Size
1 MFS SERIES TRUST I N-CSR d616139dncsr.htm N-CSR 8499785
2 CODE OF ETHICS d616139dex9912a1.htm EX-99.(12)(A)(1) 32412
3 SECTION 302 CERTIFICATIONS d616139dex99cert.htm EX-99.CERT 21730
4 SECTION 906 CERTIFICATIONS d616139dex99906cert.htm EX-99.906CERT 8094
5 GRAPHIC g589221art_04.jpg GRAPHIC 3130
6 GRAPHIC g589221ernst_youngllp.jpg GRAPHIC 8676
7 GRAPHIC g589221g12b36.jpg GRAPHIC 64852
8 GRAPHIC g589221g17m13.jpg GRAPHIC 11634
9 GRAPHIC g589221g67p04.jpg GRAPHIC 23184
10 GRAPHIC g589221g72s28.jpg GRAPHIC 28586
11 GRAPHIC g589221g81t50.jpg GRAPHIC 28744
12 GRAPHIC g589221manning_photo.jpg GRAPHIC 59970
13 GRAPHIC g589221manning_sig.jpg GRAPHIC 7614
14 GRAPHIC g605562art_04.jpg GRAPHIC 3130
15 GRAPHIC g605562ernst_youngllp.jpg GRAPHIC 8676
16 GRAPHIC g605562g17m13.jpg GRAPHIC 11634
17 GRAPHIC g605562g25b02.jpg GRAPHIC 28131
18 GRAPHIC g605562g67p04.jpg GRAPHIC 23184
19 GRAPHIC g605562g72s28.jpg GRAPHIC 28586
20 GRAPHIC g605562g93x64.jpg GRAPHIC 54147
21 GRAPHIC g605562manning_photo.jpg GRAPHIC 59970
22 GRAPHIC g605562manning_sig.jpg GRAPHIC 7614
23 GRAPHIC g609072art_04.jpg GRAPHIC 3130
24 GRAPHIC g609072ernst_youngllp.jpg GRAPHIC 8676
25 GRAPHIC g609072g09b53.jpg GRAPHIC 50966
26 GRAPHIC g609072g17m13.jpg GRAPHIC 11634
27 GRAPHIC g609072g23w33.jpg GRAPHIC 58445
28 GRAPHIC g609072g67p04.jpg GRAPHIC 23184
29 GRAPHIC g609072g72s28.jpg GRAPHIC 28586
30 GRAPHIC g609072manning_photo.jpg GRAPHIC 59970
31 GRAPHIC g609072manning_sig.jpg GRAPHIC 7614
32 GRAPHIC g610452art_04.jpg GRAPHIC 3130
33 GRAPHIC g610452ernst_youngllp.jpg GRAPHIC 8676
34 GRAPHIC g610452g09b53.jpg GRAPHIC 56218
35 GRAPHIC g610452g17m13.jpg GRAPHIC 11634
36 GRAPHIC g610452g23w33.jpg GRAPHIC 28457
37 GRAPHIC g610452g67p04.jpg GRAPHIC 23184
38 GRAPHIC g610452g72s28.jpg GRAPHIC 28586
39 GRAPHIC g610452manning_photo.jpg GRAPHIC 59970
40 GRAPHIC g610452manning_sig.jpg GRAPHIC 7614
41 GRAPHIC g610600art_04.jpg GRAPHIC 3130
42 GRAPHIC g610600ernst_youngllp.jpg GRAPHIC 8676
43 GRAPHIC g610600g09b53.jpg GRAPHIC 55111
44 GRAPHIC g610600g17m13.jpg GRAPHIC 11634
45 GRAPHIC g610600g23w33.jpg GRAPHIC 58430
46 GRAPHIC g610600g67p04.jpg GRAPHIC 23184
47 GRAPHIC g610600g72s28.jpg GRAPHIC 28586
48 GRAPHIC g610600manning_photo.jpg GRAPHIC 59970
49 GRAPHIC g610600manning_sig.jpg GRAPHIC 7614
50 GRAPHIC g613935art_04.jpg GRAPHIC 3130
51 GRAPHIC g613935g09b53.jpg GRAPHIC 49738
52 GRAPHIC g613935g17m13.jpg GRAPHIC 11634
53 GRAPHIC g613935g23w33.jpg GRAPHIC 27109
54 GRAPHIC g613935g67p04.jpg GRAPHIC 23184
55 GRAPHIC g613935g72s28.jpg GRAPHIC 28586
56 GRAPHIC g613935manning_photo.jpg GRAPHIC 59970
57 GRAPHIC g613935manning_sig.jpg GRAPHIC 7614
58 GRAPHIC g616139g1018223712890.jpg GRAPHIC 2940
59 GRAPHIC g617645art_04.jpg GRAPHIC 3130
60 GRAPHIC g617645g17m13.jpg GRAPHIC 11634
61 GRAPHIC g617645g63l26.jpg GRAPHIC 38471
62 GRAPHIC g617645g67p04.jpg GRAPHIC 23184
63 GRAPHIC g617645g72s28.jpg GRAPHIC 28586
64 GRAPHIC g617645manning_photo.jpg GRAPHIC 59970
65 GRAPHIC g617645manning_sig.jpg GRAPHIC 7614
66 GRAPHIC g617912art_04.jpg GRAPHIC 3130
67 GRAPHIC g617912ernst_youngllp.jpg GRAPHIC 8676
68 GRAPHIC g617912g09b53.jpg GRAPHIC 55469
69 GRAPHIC g617912g17m13.jpg GRAPHIC 11634
70 GRAPHIC g617912g23w33.jpg GRAPHIC 27630
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73 GRAPHIC g617912manning_photo.jpg GRAPHIC 59970
74 GRAPHIC g617912manning_sig.jpg GRAPHIC 7614
  Complete submission text file 0001193125-18-309934.txt   11075025

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
  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 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
  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 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
  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 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: N-CSR | Act: 40 | File No.: 811-04777 | Film No.: 181142921