# EDGAR Filing Document

**Accession Number:** 0000863520
**File Stem:** 0001655589-26-000536
**Filing Date:** 2026-4
**Character Count:** 5261
**Document Hash:** b0844b806001967acf141922c32cc516
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001655589-26-000536.hdr.sgml**: 20260417

**ACCESSION NUMBER**: 0001655589-26-000536

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260417

**DATE AS OF CHANGE**: 20260417

**EFFECTIVENESS DATE**: 20260417

**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:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-34929
- **FILM NUMBER:** 26869856

**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 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-P2 04/26

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| | |
|:---|:---|
| ![](img_6caab58345d24f1.jpg) | ![](img_4b8bc1beee564f1.jpg) |

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**WESTERN ASSET FUNDS, INC.** <br>**SUPPLEMENT DATED APRIL 17, 2026** <br>**TO THE SUMMARY PROSPECTUS, PROSPECTUS AND**<br>**STATEMENT OF ADDITIONAL INFORMATION ("SAI")** <br>**DATED MAY 1, 2025, OF** <br>**WESTERN ASSET INFLATION INDEXED PLUS BOND FUND (THE "FUND")**<br>

#### All changes described below are effective May 1, 2026.
&nbsp;&nbsp;&nbsp;&nbsp;**I. The following is added to the section titled "Management – Investment professionals" in the Fund's Summary Prospectus and Prospectus, respectively:** 

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| | | |
|:---|:---|:---|
| **Investment professional** | **Title** | **Investment**<br>**professional of**<br>**the fund since** |
| Mark S. Lindbloom | Deputy CIO, Portfolio Manager | May 2026 |
| Rafael Zielonka | Portfolio Manager | May 2026 |

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

------

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| | | |
|:---|:---|:---|
| **Investment professional** | **Title and recent**<br>**biography** | **Investment**<br>**professional of**<br>**the fund since** |
| Mark S. Lindbloom | Deputy CIO, Portfolio Manager and has been employed by Western Asset as an investment professional for at least the past five years.<br>| May 2026 |
| Rafael Zielonka | Portfolio Manager and has been employed by Western Asset as an investment professional for at least the past five years. | May 2026 |

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&nbsp;&nbsp;&nbsp;&nbsp;**III. The following is added to the table in the section titled "Investment Professionals – Other Accounts Managed by the Investment Professionals" in the Fund's SAI:** 

---

| | | | | | |
|:---|:---|:---|:---|:---|:---|
| **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>|
| Mark S. <br>Lindbloom\* | &nbsp;&nbsp;&nbsp;&nbsp;Registered Investment Companies<br>| 13 | 9.91 |  |  |
|  | &nbsp;&nbsp;&nbsp;&nbsp;Other Pooled Investment Vehicles<br>| 11 | 2.52 |  |  |
|  | &nbsp;&nbsp;&nbsp;&nbsp;Other Accounts<br>| 53 | 20.04 |  |  |
| Rafael <br>Zielonka\* | &nbsp;&nbsp;&nbsp;&nbsp;Registered Investment Companies<br>| 5 | 4.11 |  |  |
|  | &nbsp;&nbsp;&nbsp;&nbsp;Other Pooled Investment Vehicles<br>| 5 | 1.45 |  |  |
|  | &nbsp;&nbsp;&nbsp;&nbsp;Other Accounts | 4 | 0.73 |  |  |

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\* The information is as of March 31, 2026.

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

---

| | |
|:---|:---|
| **Investment Professionals**<br>| **Dollar Range of Ownership of Securities ($)** <br>|
| Mark S. Lindbloom\* | &nbsp;&nbsp;&nbsp;None |
| Rafael Zielonka\* | &nbsp;&nbsp;&nbsp;None |

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\* The information is as of March 31, 2026.

&nbsp;&nbsp;&nbsp;&nbsp;**V. The following footnote is added following each reference to Frederick Marki in the Fund's Summary Prospectus, Prospectus and SAI:**

\* Effective December 31, 2026, Frederick Marki will step down as a member of the investment professional team for the fund.

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

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