How can I track MRSAX's SEC filings?

MRSAX's 485APOS / 485BPOS prospectus filings, N-CSR shareholder reports, and other regulatory filings are listed on this page with direct links to the SEC EDGAR copies. Filings update as the issuer submits them — typically semi-annually for shareholder reports.

Where can I find MRSAX's prospectus?

MFS Series Trust I MFS Research International Fund Class A (MRSAX)'s most recent prospectus is linked in the filings section on this page. Issuers publish the full prospectus on their product page and re-file it annually with material updates flagged in the 485BPOS amendment.

MRSAX

MFS Series Trust I MFS Research International Fund Class A

NASDAQ·Asset Management · Financial Services

$28.74$0.04+0.14%

Jul 23 12:10 PM UTC

Frequently Asked Questions About MRSAX

Where can I find news about MRSAX?: Press releases, SEC filings, and prospectus updates from the fund issuer are listed on this page. MFS Series Trust I MFS Research International Fund Class A (MRSAX) news is sourced from regulatory filings and the issuer's investor relations feed.
How can I track MRSAX's SEC filings?: MRSAX's 485APOS / 485BPOS prospectus filings, N-CSR shareholder reports, and other regulatory filings are listed on this page with direct links to the SEC EDGAR copies. Filings update as the issuer submits them — typically semi-annually for shareholder reports.
Where can I find MRSAX's prospectus?: MFS Series Trust I MFS Research International Fund Class A (MRSAX)'s most recent prospectus is linked in the filings section on this page. Issuers publish the full prospectus on their product page and re-file it annually with material updates flagged in the 485BPOS amendment.

MRSAX

MFS Series Trust I MFS Research International Fund Class A

NASDAQ·Asset Management · Financial Services

$28.74$0.04+0.14%

Jul 23 12:10 PM UTC

Press Releases

No recent news available.

Fund Documents

Summary Prospectus497K
Apr 20, 2026View
Prospectus485BPOS
Dec 29, 2025View
Annual ReportN-CSR
Oct 28, 2025View
Semi-Annual ReportN-CSRS
Apr 28, 2026View
Portfolio HoldingsNPORT-P
Apr 24, 2026View

View all filings on SEC EDGAR

Frequently Asked Questions About MRSAX

Where can I find news about MRSAX?: Press releases, SEC filings, and prospectus updates from the fund issuer are listed on this page. MFS Series Trust I MFS Research International Fund Class A (MRSAX) news is sourced from regulatory filings and the issuer's investor relations feed.
How can I track MRSAX's SEC filings?: MRSAX's 485APOS / 485BPOS prospectus filings, N-CSR shareholder reports, and other regulatory filings are listed on this page with direct links to the SEC EDGAR copies. Filings update as the issuer submits them — typically semi-annually for shareholder reports.
Where can I find MRSAX's prospectus?: MFS Series Trust I MFS Research International Fund Class A (MRSAX)'s most recent prospectus is linked in the filings section on this page. Issuers publish the full prospectus on their product page and re-file it annually with material updates flagged in the 485BPOS amendment.