Natixis Funds Trust IV

12/10/2025 | Press release | Distributed by Public on 12/10/2025 13:14

Prospectus by Investment Company (Form 497)

Supplement dated December 10, 2025 to the Loomis Sayles Funds Statements of Additional Information, dated February 1, 2025 and May 1, 2025, Natixis Funds Statements of Additional Information, dated February 1, 2025, April 1, 2025, May 1, 2025, June 1, 2025, and the Natixis ETFs Statement of Additional Information, dated May 1, 2025, as may be revised or supplemented from time to time, for the following funds:

AEW Global Focused Real Estate Fund

Loomis Sayles Limited Term Government and Agency Fund

Gateway Fund

Loomis Sayles Securitized Asset Fund

Gateway Equity Call Premium Fund

Loomis Sayles Senior Floating Rate and Fixed Income Fund

Loomis Sayles Bond Fund

Loomis Sayles Small Cap Growth Fund

Loomis Sayles Core Plus Bond Fund

Loomis Sayles Small Cap Value Fund

Loomis Sayles Fixed Income Fund

Loomis Sayles Small/Mid Cap Growth Fund

Loomis Sayles Global Allocation Fund

Loomis Sayles Strategic Alpha Fund

Loomis Sayles Global Bond Fund

Loomis Sayles Strategic Income Fund

Loomis Sayles Global Growth Fund

Mirova Global Megatrends Fund

Loomis Sayles Growth Fund

Natixis Gateway Quality Income ETF

Loomis Sayles High Income Fund

Natixis Loomis Sayles Focused Growth ETF

Loomis Sayles High Income Opportunities Fund

Natixis Oakmark Fund

Loomis Sayles Inflation Protected Securities Fund

Natixis Oakmark International Fund

Loomis Sayles Institutional High Income Fund

Natixis U.S. Equity Opportunities Fund

Loomis Sayles Intermediate Duration Bond Fund

Natixis Vaughan Nelson Select ETF

Loomis Sayles International Growth Fund

Vaughan Nelson Mid Cap Fund

Loomis Sayles Investment Grade Bond Fund

Vaughan Nelson Select Fund

Loomis Sayles Investment Grade Fixed Income Fund

Vaughan Nelson Small Cap Fund

Effective December 10, 2025, Peter J. Smail has resigned from the Contract Review Committee and has joined as a member of the Audit Committee. Kirk A. Sykes has resigned from the Audit Committee and has joined as a member of the Contract Review Committee.

Accordingly, the table in the sub-section "Trustees and Officers" within the section "Management of the Trust(s)" is hereby updated to reflect the above stated changes. In addition, the list of the members of the Audit Committee, Contract Review Committee and Governance Committee in the sub-section "Leadership and Structure of the Board" within the section "Management of the Trust(s)" is hereby replaced with the following:

Audit Committee

Contract Review Committee

Governance Committee

Richard A. Goglia - Chairperson

Maureen B. Mitchell - Chairperson

Martin T. Meehan - Chairperson

James P. Palermo

Edmond J. English

James P. Palermo

Peter J. Smail

Martin T. Meehan

Kirk A. Sykes

Cynthia L. Walker

Kirk A. Sykes

Cynthia L. Walker

As Chairperson of the Board, Mr. Sirri is an ex officio member of each Committee.

Natixis Funds Trust IV published this content on December 10, 2025, and is solely responsible for the information contained herein. Distributed via Edgar on December 10, 2025 at 19:14 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]