EDGAR Filing Documents for 0001193125-21-194798

Form N-CSRS - Certified Shareholder Report, Semi-Annual:

SEC Accession No. 0001193125-21-194798

Filing Date

2021-06-21

Accepted

2021-06-21 14:14:55

Documents

Period of Report

2021-04-30

Effectiveness Date

2021-06-21

Document Format Files

Seq	Description	Document	Type	Size
1	MFS SERIES TRUST IX - INFLATION-ADJUSTED BOND FUND N-CSRS	d257784dncsrs.htm	N-CSRS	1083192
2	SECTION 302 CERTIFICATIONS	d257784dex99cert.htm	EX-99.CERT	21367
3	SECTION 906 CERTIFICATIONS	d257784dex99906cert.htm	EX-99.906CERT	7721
4	GRAPHIC	g257784img23fdb8b81.gif	GRAPHIC	1365
5	GRAPHIC	g257784imgc24f9fa84.gif	GRAPHIC	10385
6	GRAPHIC	g257784imgc39e7f246.jpg	GRAPHIC	3717
7	GRAPHIC	g257784imgd6bd450b3.jpg	GRAPHIC	4827
8	GRAPHIC	g257784imge7a8d7ac2.gif	GRAPHIC	201
9	GRAPHIC	g257784imgffc47d3e5.jpg	GRAPHIC	9550
	Complete submission text file	0001193125-21-194798.txt		1156962

Series and Classes/Contracts Information:

Existing
	Status	Name	Ticker Symbol
CIK 0000063075
Series S000002493		MFS Inflation-Adjusted Bond Fund
Class/Contract C000006724		A	MIAAX
Class/Contract C000006725		R4	MIAJX
Class/Contract C000006726		B	MIABX
Class/Contract C000006727		C	MIACX
Class/Contract C000006728		I	MIAIX
Class/Contract C000006730		R1	MIALX
Class/Contract C000006732		R2	MIATX
Class/Contract C000006733		R3	MIAHX
Class/Contract C000126364		R6	MIAKX

Mailing Address 111 HUNTINGTON AVENUE 24TH FLOOR BOSTON MA 02199

Business Address 111 HUNTINGTON AVENUE 24TH FLOOR BOSTON MA 02199 18006372929

MFS SERIES TRUST IX (Filer) CIK: 0000063075 (see all company filings)