Legg Mason Global Asset Management Trust

04/17/2026 | Press release | Distributed by Public on 04/17/2026 07:08

Prospectus by Investment Company (Form 497)

90503-P2 04/26

LEGG MASON GLOBAL ASSET MANAGEMENT TRUST
SUPPLEMENT DATED APRIL 17, 2026,
TO THE SUMMARY PROSPECTUS, PROSPECTUS AND
STATEMENT OF ADDITIONAL INFORMATION ("SAI")
DATED MAY 1, 2025, OF
BRANDYWINEGLOBAL - GLOBAL OPPORTUNITIES BOND FUND (THE "FUND")

All changes described below are effective September 30, 2026.

I. The following replaces the reference to John P. McIntyre in the section titled "Management - Portfolio managers" in the Fund's Summary Prospectus and Prospectus, respectively:

Portfolio manager

Title

Portfolio manager
of the fund since

Michael Arno, CFA

Portfolio Manager

September 2026

II. The following replaces the reference to John P. McIntyre in the section titled "More on fund management - Portfolio managers" in the Fund's Prospectus:

Portfolio manager

Title and recent biography

Portfolio manager
of the fund since

Michael Arno, CFA

Mr. Arno is a Portfolio Manager and Senior Research Analyst on the Global Fixed Income team. He is responsible for providing research analysis and portfolio management on the firm's global credit, multi-sector, and emerging market fixed income related strategies. Previously, he had been a research analyst on the team since 2011 with a focus on global credit and emerging markets. Mike joined Brandywine Global as a product specialist within client service in 2006. Prior to joining Brandywine Global in 2006, Mike was an associate of Vanguard Group (2004-2006). Mike earned a B.S. in Finance from Temple University.

September 2026

III. The following replaces the reference to John P. McIntyre in the table in the section titled "Portfolio Managers - Other

Accounts Managed by the Portfolio Managers" in the Fund's SAI:

Portfolio Managers

Type
of
Account

Number of
Accounts
Managed

Total

Assets
Managed
(Billions)

($)

Number of
Accounts
Managed for
which

Advisory
Fee is
Performance-
Based

Assets
Managed for
which

Advisory
Fee is
Performance-
Based
(Billions)

($)

Michael Arno*

Registered
Investment
Companies

2

0.52

None

None

Other Pooled
Investment Vehicles

18

5.32

1

0.19

Other Accounts

6

2.26

1

0.92

* The information is as of March 31, 2026.

IV. The following replaces the reference to John P. McIntyre in the table in the section titled "Portfolio Managers - Portfolio Managers Securities Ownership" in the Fund's SAI:

Portfolio Managers

Dollar Range of Ownership of Securities ($)

Michael Arno*

None

* The information is as of March 31, 2026.

Please retain this supplement for future reference.

Legg Mason Global Asset Management Trust published this content on April 17, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on April 17, 2026 at 13:08 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]