# EDGAR Filing Document

**Accession Number:** 0000927972
**File Stem:** 0001133228-25-008346
**Filing Date:** 2025-8
**Character Count:** 2692
**Document Hash:** e321ffdac335ea511b2f777daf8189a9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001133228-25-008346.hdr.sgml**: 20250814

**ACCESSION NUMBER**: 0001133228-25-008346

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250814

**DATE AS OF CHANGE**: 20250814

**EFFECTIVENESS DATE**: 20250814

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MASSMUTUAL PREMIER FUNDS
- **CENTRAL INDEX KEY:** 0000927972

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-82366
- **FILM NUMBER:** 251215742

**BUSINESS ADDRESS:**
- **STREET 1:** 1295 STATE STREET
- **CITY:** SPRINGFIELD
- **STATE:** MA
- **ZIP:** 01111
- **BUSINESS PHONE:** 413-744-1000

**MAIL ADDRESS:**
- **STREET 1:** 1295 STATE STREET
- **CITY:** SPRINGFIELD
- **STATE:** MA
- **ZIP:** 01111

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** DLB FUND GROUP
- **DATE OF NAME CHANGE:** 19940804

## Series and Classes Contracts Data

### MassMutual U.S. Government Money Market Fund (Series ID: S000003784)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class R5   | MKSXX         | C000010511 |

---

## Series and Classes Contracts Data

### MassMutual U.S. Government Money Market Fund (Series ID: S000003784)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010511 | Class R5     | MKSXX           |

**MASSMUTUAL FUNDS**

**MassMutual U.S Government Money Market Fund**

**Supplement dated August 14, 2025 to the**

**Statement of Additional Information dated February 1, 2025**

This supplement provides new and additional information beyond that contained in the Statement of Additional Information ("SAI") and any previous supplements. It should be retained and read in conjunction with the SAI and any previous supplements.

*The following information pertaining to the MassMutual U.S. Government Money Market Fund is hereby added to the SAI:*

 

**FINANCIAL SUPPORT PROVIDED TO MASSMUTUAL U.S. GOVERNMENT MONEY MARKET FUND**

 

On August 14, 2025, U.S. Government Money Market Fund received a one-time capital contribution of $202,028.47 from the Fund's investment adviser, MML Advisers, in connection with the liquidation of the Fund. The Fund was required to disclose additional information about this event on Form N-CR and to file this form with the Securities and Exchange Commission. Any Form N-CR filing submitted by the Fund is available on the EDGAR Database on the Securities and Exchange Commission's internet site at https://www.sec.gov.

 **PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE**

 **PREMSAI-25-03**