# EDGAR Filing Document

**Accession Number:** 0000035315
**File Stem:** 0000035315-25-001205
**Filing Date:** 2025-12
**Character Count:** 2683
**Document Hash:** 400d5b802945752b9ea2108ab2ee87d7
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000035315-25-001205.hdr.sgml**: 20251212

**ACCESSION NUMBER**: 0000035315-25-001205

**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:** 251566797

**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 Tactical Bond Fund (Series ID: S000075287)

| Class ID   | Class Name                                   | Ticker Symbol   |
|:---|:---|:---|
| C000234189 | Fidelity Tactical Bond Fund                  | FBAGX           |
| C000234190 | Fidelity Advisor Tactical Bond Fund: Class Z | FBAPX           |
| C000234191 | Fidelity Advisor Tactical Bond Fund: Class A | FTKAX           |
| C000234192 | Fidelity Advisor Tactical Bond Fund: Class C | FTKCX           |
| C000234193 | Fidelity Advisor Tactical Bond Fund: Class M | FTYMX           |
| C000234194 | Fidelity Advisor Tactical Bond Fund: Class I | FBAHX           |

**Supplement to the Fidelity® Tactical Bond Fund Class A, Class M, Class C, Class I, and Class Z October 30, 2025 Summary Prospectus**

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

Julian Potenza (Co-Portfolio Manager) has managed the fund since 2026.

ATBF-SUSTK-1225-101 1.9911343.101 December 12, 2025

**Supplement to the Fidelity® Tactical Bond Fund October 30, 2025 Summary Prospectus**

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

Julian Potenza (Co-Portfolio Manager) has managed the fund since 2026.

TBF-SUSTK-1225-101 1.9911341.101 December 12, 2025