# EDGAR Filing Document

**Accession Number:** 0000035315
**File Stem:** 0000035315-25-000682
**Filing Date:** 2025-8
**Character Count:** 1997
**Document Hash:** f4c05ebaa3829423c89211ecd3c05ace
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000035315-25-000682.hdr.sgml**: 20250801

**ACCESSION NUMBER**: 0000035315-25-000682

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250801

**DATE AS OF CHANGE**: 20250801

**EFFECTIVENESS DATE**: 20250801

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIDELITY SALEM STREET TRUST
- **CENTRAL INDEX KEY:** 0000035315

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0430

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-41839
- **FILM NUMBER:** 251174718

**BUSINESS ADDRESS:**
- **STREET 1:** 245 SUMMER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210
- **BUSINESS PHONE:** 617-563-7000

**MAIL ADDRESS:**
- **STREET 1:** 245 SUMMER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY FIXED INCOME TRUST
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY FLEXIBLE BOND FUND
- **DATE OF NAME CHANGE:** 19860904

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY CORPORATE BOND FUND INC
- **DATE OF NAME CHANGE:** 19851225

## Series and Classes Contracts Data

### Fidelity SAI International Momentum Index Fund (Series ID: S000068374)

| Class ID   | Class Name                                     | Ticker Symbol   |
|:---|:---|:---|
| C000218747 | Fidelity SAI International Momentum Index Fund | FITMX           |

**Supplement to the Fidelity® SAI International Momentum Index Fund December 30, 2024 Summary Prospectus**

The following information replaces similar information found in the "Fund Summary" section under the "Investment Objective" heading.

Fidelity® SAI International Momentum Index Fund seeks to provide investment results that correspond to the total return of international stocks with high momentum characteristics.

IMI-SUSTK-0825-100 1.9921162.100 August 1, 2025