# EDGAR Filing Document

**Accession Number:** 0000035373
**File Stem:** 0000035373-26-000043
**Filing Date:** 2026-5
**Character Count:** 3457
**Document Hash:** dd9b241a57b6df8cd57709451b18d773
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000035373-26-000043.hdr.sgml**: 20260505

**ACCESSION NUMBER**: 0000035373-26-000043

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260505

**DATE AS OF CHANGE**: 20260505

**EFFECTIVENESS DATE**: 20260505

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIDELITY MUNICIPAL TRUST
- **CENTRAL INDEX KEY:** 0000035373

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-55725
- **FILM NUMBER:** 26941252

**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:** MUNICIPAL BOND FUND/MA/
- **DATE OF NAME CHANGE:** 19860327

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY MUNICIPAL BOND FUND INC
- **DATE OF NAME CHANGE:** 19850503

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY MUNICIPAL BOND FUND LTD
- **DATE OF NAME CHANGE:** 19770201

## Series and Classes Contracts Data

### Fidelity Conservative Income Municipal Bond Fund (Series ID: S000042537)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                                        | Ticker Symbol | Class ID   |
| Fidelity Conservative Income Municipal Bond Fund                  | FMNDX         | C000131629 |
| Fidelity Advisor Conservative Income Municipal Bond Fund: Class Z | FMNHX         | C000243072 |
| Fidelity Advisor Conservative Income Municipal Bond Fund: Class A | FMNFX         | C000243073 |
| Fidelity Advisor Conservative Income Municipal Bond Fund: Class I | FMNGX         | C000243074 |

---

## Series and Classes Contracts Data

### Fidelity Conservative Income Municipal Bond Fund (Series ID: S000042537)

| Class ID   | Class Name                                                        | Ticker Symbol   |
|:---|:---|:---|
| C000131629 | Fidelity Conservative Income Municipal Bond Fund                  | FMNDX           |
| C000243072 | Fidelity Advisor Conservative Income Municipal Bond Fund: Class Z | FMNHX           |
| C000243073 | Fidelity Advisor Conservative Income Municipal Bond Fund: Class A | FMNFX           |
| C000243074 | Fidelity Advisor Conservative Income Municipal Bond Fund: Class I | FMNGX           |

**Supplement to the**

**Fidelity® Conservative Income Municipal Bond Fund**

**February 28, 2026**

**STATEMENT OF ADDITIONAL INFORMATION**

*The following information replaces similar information found in the "Management Contract" section.*

As of December 31, 2025, the dollar range of shares of Fidelity® Conservative Income Municipal Bond Fund beneficially owned by Mr. Maka was $500,001-$1,000,000.

CMB-I-SSTK-0526-106-1.9862953.106 May 5, 2026

**Supplement to the**

**Fidelity® Conservative Income Municipal Bond Fund**

**Class A, Class I, and Class Z**

**February 28, 2026**

**STATEMENT OF ADDITIONAL INFORMATION**

*The following information replaces similar information found in the "Management Contract" section.*

As of December 31, 2025, the dollar range of shares of Fidelity® Conservative Income Municipal Bond Fund beneficially owned by Mr. Maka was $500,001-$1,000,000.

ACMB-SSTK-0526-100-1.9922900.100 May 5, 2026