# EDGAR Filing Document

**Accession Number:** 0000863520
**File Stem:** 0001655589-26-000079
**Filing Date:** 2026-1
**Character Count:** 5057
**Document Hash:** 38ac1685c0bc8667ffa84db534424145
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001655589-26-000079.hdr.sgml**: 20260127

**ACCESSION NUMBER**: 0001655589-26-000079

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260127

**DATE AS OF CHANGE**: 20260127

**EFFECTIVENESS DATE**: 20260127

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** WESTERN ASSET FUNDS INC
- **CENTRAL INDEX KEY:** 0000863520

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

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-34929
- **FILM NUMBER:** 26562311

**BUSINESS ADDRESS:**
- **STREET 1:** 100 INTERNATIONAL DRIVE
- **CITY:** BALTIMORE
- **STATE:** MD
- **ZIP:** 21202
- **BUSINESS PHONE:** 410-454-2760

**MAIL ADDRESS:**
- **STREET 1:** 100 INTERNATIONAL DRIVE
- **STREET 2:** 7TH FLOOR
- **CITY:** BALTIMORE
- **STATE:** MD
- **ZIP:** 21202

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LM INSTITUTIONAL FUND ADVISORS I INC
- **DATE OF NAME CHANGE:** 19980818

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** WESTERN ASSET TRUST INC
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### Western Asset Inflation Indexed Plus Bond Fund (Series ID: S000000715)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class FI   | WATPX         | C000002083 |
| Class I    | WAIIX         | C000002084 |
| Class IS   | WAFSX         | C000066990 |
| CLASS A    | WAFAX         | C000113707 |
| CLASS C    | WAFCX         | C000113708 |
| CLASS R    | WAFRX         | C000113709 |
| Class C1   | LWICX         | C000117036 |

---

## Series and Classes Contracts Data

### Western Asset Inflation Indexed Plus Bond Fund (Series ID: S000000715)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000002083 | Class FI     | WATPX           |
| C000002084 | Class I      | WAIIX           |
| C000066990 | Class IS     | WAFSX           |
| C000113707 | CLASS A      | WAFAX           |
| C000113708 | CLASS C      | WAFCX           |
| C000113709 | CLASS R      | WAFRX           |
| C000117036 | Class C1     | LWICX           |

90203-P1 01/26

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| | |
|:---|:---|
| ![](img_e44aeca9fe354f1.jpg) | ![](img_17ecc48cedad4f1.jpg) |

---

**WESTERN ASSET FUNDS, INC.** <br>**SUPPLEMENT DATED JANUARY 27, 2026** <br>**TO THE SUMMARY PROSPECTUS, PROSPECTUS AND**<br>**STATEMENT OF ADDITIONAL INFORMATION ("SAI")**<br>**EACH DATED MAY 1, 2025 OF** <br>**WESTERN ASSET INFLATION INDEXED PLUS BOND FUND (THE "FUND")** 

#### The following changes are made to the Fund's Summary Prospectus, Prospectus and SAI:
**a. The following is added to the section titled "Management – Investment professionals" in the Fund's Summary Prospectus and Prospectus.** 

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| | | |
|:---|:---|:---|
| **Investment professional** | **Title** | **Investment**<br>**professional of**<br>**the fund since** |
| Nicholas Mastroianni | Portfolio Manager | January 2026 |

---

**b. The following is added to the section titled "More on fund management – Investment professionals" in the Fund's Prospectus:** 

------

---

| | | |
|:---|:---|:---|
| **Investment professional** | **Title and recent**<br>**biography** | **Investment**<br>**professional of**<br>**the fund since** |
| Nicholas Mastroianni | Portfolio Manager and has been employed by Western Asset as an investment professional for at least the past five years. | January 2026 |

---

**c. The following is added to the section titled "Investment Professionals – Other Accounts Managed by the Investment Professionals" in the Fund's SAI with respect to the Fund:** 

---

| | | | | | |
|:---|:---|:---|:---|:---|:---|
| **Investment**<br>**Professionals**<br>| **Type of**<br>**Account**<br>| **Number of**<br>**Accounts**<br>**Managed** <br>| **Total Assets**<br>**Managed**<br>**(Billions) ($)** <br>| **Number of**<br>**Accounts**<br>**Managed for**<br>**which Advisory**<br>**Fee is**<br>**Performance-**<br>**Based** <br>| **Assets**<br>**Managed for**<br>**which Advisory**<br>**Fee is**<br>**Performance-**<br>**Based**<br>**(Billions) ($)**<br>|
| Nicholas <br>Mastroianni\* | &nbsp;&nbsp;&nbsp;&nbsp;Registered Investment Companies | 4 | 0.82 |  |  |
|  | &nbsp;&nbsp;&nbsp;&nbsp;Other Pooled Investment Vehicles | 3 | 0.49 |  |  |
|  | &nbsp;&nbsp;&nbsp;&nbsp;Other Accounts | 32 | 13.83 |  |  |

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\* The information is as of December 31, 2025, and does not reflect additional accounts for which Mr. Mastroianni joined the portfolio management team effective January 27, 2026.

**d. The following is added to the section titled "Investment Professionals – Investment Professional Securities Ownership" in the Fund's SAI with respect to the Fund:** 

------

---

| | |
|:---|:---|
| **Investment Professionals**<br>| **Dollar Range of Ownership of Securities ($)** <br>|
| Nicholas Mastroianni\* | &nbsp;&nbsp;None |

---

\* The information is as of December 31, 2025.

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

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