# EDGAR Filing Document

**Accession Number:** 0000764624
**File Stem:** 0001655589-26-000858
**Filing Date:** 2026-6
**Character Count:** 6219
**Document Hash:** 1cea75227fe84fa232b938764ec0eee6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001655589-26-000858.hdr.sgml**: 20260616

**ACCESSION NUMBER**: 0001655589-26-000858

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260616

**DATE AS OF CHANGE**: 20260616

**EFFECTIVENESS DATE**: 20260616

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** LEGG MASON PARTNERS INCOME TRUST
- **CENTRAL INDEX KEY:** 0000764624

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 0731

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-96408
- **FILM NUMBER:** 261093328

**BUSINESS ADDRESS:**
- **STREET 1:** LEGG MASON & CO., LLC
- **STREET 2:** 620 EIGHTH AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10018
- **BUSINESS PHONE:** 1-877-721-1926

**MAIL ADDRESS:**
- **STREET 1:** LEGG MASON & CO., LLC
- **STREET 2:** 620 EIGHTH AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10018

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LEGG MASON PARTNERS INCOME FUNDS
- **DATE OF NAME CHANGE:** 20060407

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SMITH BARNEY INCOME FUNDS
- **DATE OF NAME CHANGE:** 19941228

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SMITH BARNEY SHEARSON INCOME FUNDS
- **DATE OF NAME CHANGE:** 19931015

## Series and Classes Contracts Data

### Western Asset Corporate Bond Fund (Series ID: S000016627)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | SIGAX         | C000046422 |
| Class C1   | SBILX         | C000046424 |
| Class I    | SIGYX         | C000046425 |
| Class R    | nan           | C000062457 |
| Class P    | LCBPX         | C000076699 |
| Class C    | LWBOX         | C000088506 |
| Class IS   | nan           | C000118996 |

---

### Western Asset Short-Term Bond Fund (Series ID: S000016639)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | SBSTX         | C000046471 |
| Class C1   | SSTLX         | C000046473 |
| Class I    | SBSYX         | C000046474 |
| Class R    | LWARX         | C000062459 |
| Class C    | LWSOX         | C000088507 |
| Class IS   | LWSTX         | C000117030 |

---

### Western Asset Mortgage Total Return Fund (Series ID: S000016649)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | SGVAX         | C000046506 |
| Class C1   | SGSLX         | C000046508 |
| Class I    | SGSYX         | C000046509 |
| Class 1    | SGVSX         | C000046510 |
| Class R    | nan           | C000062462 |
| Class C    | LWMSX         | C000088509 |
| Class IS   | LMBSX         | C000118880 |

---

## Series and Classes Contracts Data

### Western Asset Corporate Bond Fund (Series ID: S000016627)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000046422 | Class A      | SIGAX           |
| C000046424 | Class C1     | SBILX           |
| C000046425 | Class I      | SIGYX           |
| C000062457 | Class R      |  |
| C000076699 | Class P      | LCBPX           |
| C000088506 | Class C      | LWBOX           |
| C000118996 | Class IS     |  |

### Western Asset Short-Term Bond Fund (Series ID: S000016639)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000046471 | Class A      | SBSTX           |
| C000046473 | Class C1     | SSTLX           |
| C000046474 | Class I      | SBSYX           |
| C000062459 | Class R      | LWARX           |
| C000088507 | Class C      | LWSOX           |
| C000117030 | Class IS     | LWSTX           |

### Western Asset Mortgage Total Return Fund (Series ID: S000016649)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000046506 | Class A      | SGVAX           |
| C000046508 | Class C1     | SGSLX           |
| C000046509 | Class I      | SGSYX           |
| C000046510 | Class 1      | SGVSX           |
| C000062462 | Class R      |  |
| C000088509 | Class C      | LWMSX           |
| C000118880 | Class IS     | LMBSX           |

BK40-SA1 06/26

---

| | |
|:---|:---|
| ![](img_eee6aa734f324f1.jpg) | ![](img_fef621195fb44f1.jpg) |

---

**LEGG MASON PARTNERS INCOME TRUST** <br>**SUPPLEMENT DATED JUNE 16, 2026**<br>**TO THE STATEMENT OF ADDITIONAL INFORMATION ("SAI")** <br>**OF EACH FUND LISTED IN <u>SCHEDULE A</u>** 

#### The following replaces the section titled "Investment Professionals – Investment Professionals Securities Ownership" in the SAI of each fund listed in Schedule A:

#### Investment Professionals Securities Ownership
The table below identifies ownership of equity securities of the Fund by the investment professionals responsible for the day-to-day management of the Fund as of December 31, 2025.

---

| | |
|:---|:---|
| Investment Professionals | Dollar Range of Ownership of Securities ($) |

---

#### Corporate Bond Fund
<br> Dan AlexanderRyan K. BristMichael C. BuchananMolly Schwartz 100,001-500,000Over 1,000,000NoneNone

#### Mortgage Total Return Fund
<br> Michael C. BuchananIon G. DanGreg E. Handler None10,001-50,00010,001-50,000

#### Short-Term Bond Fund
<br> Michael C. BuchananAmit Chopra<sup>1</sup>Mark S. LindbloomFrederick R. Marki<sup>2</sup>Nicholas MastroianniJulien A. Scholnick<sup>3</sup>Rafael Zielonka<sup>4</sup> None1-10, 0001-10,000None10,001-50,000NoneNone

------

<sup>1</sup> Amit Chopra joined the Fund's investment professional team January 27, 2026.<br><sup>2</sup> Effective December 31, 2026, Frederick R. Marki will step down as a member of the Fund's investment professional team.<br><sup>3</sup> Effective September 30, 2026, Julien A. Scholnick will step down as a member of the Fund's investment professional team.<br><sup>4</sup> Information is as of March 31, 2026. Rafael Zielonka joined the Fund's investment professional team May 1, 2026.

**<u>SCHEDULE A</u>** <br>

---

| | |
|:---|:---|
| **Fund** | **Date of SAI**  |
| **<u>LEGG MASON PARTNERS INCOME TRUST</u>**  |  |
| Western Asset Corporate Bond Fund  | May 1, 2026 |
| Western Asset Mortgage Total Return Fund | May 1, 2026 |
| Western Asset Short-Term Bond Fund | May 1, 2026 |

---

#### Please retain this supplement for future reference.

------