# EDGAR Filing Document

**Accession Number:** 0000035315
**File Stem:** 0000035315-25-001202
**Filing Date:** 2025-12
**Character Count:** 3843
**Document Hash:** f5049ce566176bf9bb167f19771d8803
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000035315-25-001202.hdr.sgml**: 20251212

**ACCESSION NUMBER**: 0000035315-25-001202

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251212

**DATE AS OF CHANGE**: 20251212

**EFFECTIVENESS DATE**: 20251212

**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:** 251566796

**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 Strategic Real Return Fund (Series ID: S000017675)

| Class ID   | Class Name                                           | Ticker Symbol   |
|:---|:---|:---|
| C000048837 | Fidelity Strategic Real Return Fund                  | FSRRX           |
| C000048838 | Fidelity Advisor Strategic Real Return Fund: Class A | FSRAX           |
| C000048840 | Fidelity Advisor Strategic Real Return Fund: Class C | FCSRX           |
| C000048841 | Fidelity Advisor Strategic Real Return Fund: Class M | FSRTX           |
| C000048842 | Fidelity Advisor Strategic Real Return Fund: Class I | FSIRX           |
| C000205021 | Fidelity Advisor Strategic Real Return Fund: Class Z | FIQDX           |
| C000214978 | Class K6                                             | FSRKX           |

**Supplement to the Fidelity® Strategic Real Return Fund November 29, 2025 Summary Prospectus**

*It is expected that Mr. O'Neil will transition off the fund effective on or about September 30, 2026. Rick Gandhi will become a Co-Lead Portfolio Manager for the fund effective January 1, 2026.*

Effective January 1, 2026, the following information supplements information found in the "Fund Summary" section under the "Portfolio Manager(s)" heading.

Rick Gandhi (Co-Lead Portfolio Manager) has managed the fund since 2026.

RRS-SUSTK-1225-105 1.9880531.105 December 12, 2025

**Supplement to the Fidelity® Strategic Real Return Fund Class A, Class M, Class C, Class I, and Class Z November 29, 2025 Summary Prospectus**

*It is expected that Mr. O'Neil will transition off the fund effective on or about September 30, 2026. Rick Gandhi will become a Co-Lead Portfolio Manager for the fund effective January 1, 2026.*

Effective January 1, 2026, the following information supplements information found in the "Fund Summary" section under the "Portfolio Manager(s)" heading.

Rick Gandhi (Co-Lead Portfolio Manager) has managed the fund since 2026.

ARRS-SUSTK-1225-108 1.9880532.108 December 12, 2025

**Supplement to the Fidelity® Strategic Real Return Fund Class K6 November 29, 2025 Summary Prospectus**

*It is expected that Mr. O'Neil will transition off the fund effective on or about September 30, 2026. Rick Gandhi will become a Co-Lead Portfolio Manager for the fund effective January 1, 2026.*

Effective January 1, 2026, the following information supplements information found in the "Fund Summary" section under the "Portfolio Manager(s)" heading.

Rick Gandhi (Co-Lead Portfolio Manager) has managed the fund since 2026.

RRS-K6-SUSTK-1225-104 1.9900307.104 December 12, 2025