# EDGAR Filing Document

**Accession Number:** 0000927972
**File Stem:** 0001133228-26-003143
**Filing Date:** 2026-3
**Character Count:** 2002
**Document Hash:** af5e2de0cfd5530585717275aa21f391
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001133228-26-003143.hdr.sgml**: 20260306

**ACCESSION NUMBER**: 0001133228-26-003143

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260306

**DATE AS OF CHANGE**: 20260306

**EFFECTIVENESS DATE**: 20260306

**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:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-82366
- **FILM NUMBER:** 26728579

**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

### MML Barings Diversified Bond Fund (Series ID: S000003793)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000271056 | Class M2     | MMOKX           |

#### MASSMUTUAL FUNDS<br>

#### MML Barings Diversified Bond Fund<br>

#### Supplement dated March 6, 2026 to the<br>

#### Prospectus dated February 1, 2026, and the<br>

#### Summary Prospectus dated February 1, 2026
This supplement provides new and additional information beyond that contained in the Prospectus and Summary Prospectus, and any previous supplements. It should be retained and read in conjunction with the Prospectus and Summary Prospectus, and any previous supplements.

*Effective immediately, the ticker symbol for Class M2 shares of the MML Barings Diversified Bond Fund found on page 1 of the Prospectus and page S-1 of the Summary Prospectus is hereby replaced by MMOKX.* 

#### PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

#### PREMPRO-26-02<br>

#### DB-26-01<br>