# EDGAR Filing Document

**Accession Number:** 0000927972
**File Stem:** 0001133228-26-003409
**Filing Date:** 2026-3
**Character Count:** 12115
**Document Hash:** a879db2bc53ad68e2e77506e145f7d6d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001133228-26-003409.hdr.sgml**: 20260310

**ACCESSION NUMBER**: 0001133228-26-003409

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260310

**DATE AS OF CHANGE**: 20260310

**EFFECTIVENESS DATE**: 20260310

**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:** 26737834

**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 Global Fund (Series ID: S000003778)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | MGFAX         | C000010479 |
| Administrative Class | MGFLX         | C000010480 |
| Class R3             | MGFNX         | C000010481 |
| Class R5             | MGFSX         | C000010482 |
| Service Class        | MGFYX         | C000010483 |
| Class R4             | MGFRX         | C000137068 |
| Class I              | MGFZX         | C000137069 |
| Class Y              | MMOCX         | C000241047 |

---

### MML Barings High Yield Fund (Series ID: S000003779)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | MPHAX         | C000010484 |
| Administrative Class | MPHLX         | C000010485 |
| Class R3             | MPHNX         | C000010486 |
| Class R5             | MPHSX         | C000010487 |
| Service Class        | DLHYX         | C000010488 |
| Class I              | MPHZX         | C000098420 |
| Class R4             | MPHRX         | C000137070 |
| Class Y              | BXHYX         | C000229373 |
| Class C              | BXHCX         | C000229374 |
| Class M2             | MPHUX         | C000271047 |
| Class M1             | MPHVX         | C000271048 |

---

### MML Barings Inflation-Protected and Income Fund (Series ID: S000003780)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | MPSAX         | C000010489 |
| Administrative Class | MIPLX         | C000010490 |
| Class R3             | MIPNX         | C000010491 |
| Class R5             | MIPSX         | C000010492 |
| Service Class        | MIPYX         | C000010493 |
| Class I              | MIPZX         | C000098421 |
| Class R4             | MIPRX         | C000137071 |
| Class Y              | MMODX         | C000241048 |
| Class M1             | MMOPX         | C000271049 |
| Class M2             | MMOOX         | C000271050 |

---

### MML Barings Short-Duration Bond Fund (Series ID: S000003785)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | MSHAX         | C000010513 |
| Administrative Class | MSTLX         | C000010514 |
| Class R3             | MSDNX         | C000010515 |
| Class R5             | MSTDX         | C000010516 |
| Service Class        | MSBYX         | C000010517 |
| Class I              | MSTZX         | C000095043 |
| Class R4             | MPSDX         | C000137077 |
| Class Y              | BXDYX         | C000229375 |
| Class C              | BXDCX         | C000229376 |
| Class L              | BXDLX         | C000229377 |
| Class M2             | BXDMX         | C000271051 |
| Class M1             | BXDNX         | C000271052 |

---

### MassMutual Small Cap Opportunities Fund (Series ID: S000003788)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | DLBMX         | C000010528 |
| Administrative Class | MSCLX         | C000010529 |
| Class R5             | MSCDX         | C000010531 |
| Service Class        | MSVYX         | C000010532 |
| Class R4             | MOORX         | C000137078 |
| Class I              | MSOOX         | C000137079 |
| Class R3             | MCCRX         | C000137080 |
| Class Y              | MMOGX         | C000241051 |

---

### MML Barings Core Bond Fund (Series ID: S000003791)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | MMCBX         | C000010543 |
| Administrative Class | MCBLX         | C000010544 |
| Class R3             | MCBNX         | C000010545 |
| Class R5             | MCBDX         | C000010546 |
| Service Class        | MCBYX         | C000010547 |
| Class I              | MCZZX         | C000095044 |
| Class R4             | MCZRX         | C000137083 |
| Class Y              | MMNWX         | C000241052 |
| Class M2             | MMCAX         | C000271053 |
| Class M1             | MMCDX         | C000271054 |

---

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

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | MDVAX         | C000010553 |
| Administrative Class | MDBLX         | C000010554 |
| Class R5             | MDBSX         | C000010556 |
| Service Class        | MDBYX         | C000010557 |
| Class I              | MDBZX         | C000095045 |
| Class R4             | MDBFX         | C000137084 |
| Class R3             | MDBRX         | C000137085 |
| Class Y              | MMOBX         | C000241053 |
| Class M1             | MMEFX         | C000271055 |
| Class M2             | MMOKX         | C000271056 |

---

## Series and Classes Contracts Data

### MassMutual Global Fund (Series ID: S000003778)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010479 | Class A              | MGFAX           |
| C000010480 | Administrative Class | MGFLX           |
| C000010481 | Class R3             | MGFNX           |
| C000010482 | Class R5             | MGFSX           |
| C000010483 | Service Class        | MGFYX           |
| C000137068 | Class R4             | MGFRX           |
| C000137069 | Class I              | MGFZX           |
| C000241047 | Class Y              | MMOCX           |

### MML Barings High Yield Fund (Series ID: S000003779)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010484 | Class A              | MPHAX           |
| C000010485 | Administrative Class | MPHLX           |
| C000010486 | Class R3             | MPHNX           |
| C000010487 | Class R5             | MPHSX           |
| C000010488 | Service Class        | DLHYX           |
| C000098420 | Class I              | MPHZX           |
| C000137070 | Class R4             | MPHRX           |
| C000229373 | Class Y              | BXHYX           |
| C000229374 | Class C              | BXHCX           |
| C000271047 | Class M2             | MPHUX           |
| C000271048 | Class M1             | MPHVX           |

### MML Barings Inflation-Protected and Income Fund (Series ID: S000003780)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010489 | Class A              | MPSAX           |
| C000010490 | Administrative Class | MIPLX           |
| C000010491 | Class R3             | MIPNX           |
| C000010492 | Class R5             | MIPSX           |
| C000010493 | Service Class        | MIPYX           |
| C000098421 | Class I              | MIPZX           |
| C000137071 | Class R4             | MIPRX           |
| C000241048 | Class Y              | MMODX           |
| C000271049 | Class M1             | MMOPX           |
| C000271050 | Class M2             | MMOOX           |

### MML Barings Short-Duration Bond Fund (Series ID: S000003785)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010513 | Class A              | MSHAX           |
| C000010514 | Administrative Class | MSTLX           |
| C000010515 | Class R3             | MSDNX           |
| C000010516 | Class R5             | MSTDX           |
| C000010517 | Service Class        | MSBYX           |
| C000095043 | Class I              | MSTZX           |
| C000137077 | Class R4             | MPSDX           |
| C000229375 | Class Y              | BXDYX           |
| C000229376 | Class C              | BXDCX           |
| C000229377 | Class L              | BXDLX           |
| C000271051 | Class M2             | BXDMX           |
| C000271052 | Class M1             | BXDNX           |

### MassMutual Small Cap Opportunities Fund (Series ID: S000003788)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010528 | Class A              | DLBMX           |
| C000010529 | Administrative Class | MSCLX           |
| C000010531 | Class R5             | MSCDX           |
| C000010532 | Service Class        | MSVYX           |
| C000137078 | Class R4             | MOORX           |
| C000137079 | Class I              | MSOOX           |
| C000137080 | Class R3             | MCCRX           |
| C000241051 | Class Y              | MMOGX           |

### MML Barings Core Bond Fund (Series ID: S000003791)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010543 | Class A              | MMCBX           |
| C000010544 | Administrative Class | MCBLX           |
| C000010545 | Class R3             | MCBNX           |
| C000010546 | Class R5             | MCBDX           |
| C000010547 | Service Class        | MCBYX           |
| C000095044 | Class I              | MCZZX           |
| C000137083 | Class R4             | MCZRX           |
| C000241052 | Class Y              | MMNWX           |
| C000271053 | Class M2             | MMCAX           |
| C000271054 | Class M1             | MMCDX           |

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

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010553 | Class A              | MDVAX           |
| C000010554 | Administrative Class | MDBLX           |
| C000010556 | Class R5             | MDBSX           |
| C000010557 | Service Class        | MDBYX           |
| C000095045 | Class I              | MDBZX           |
| C000137084 | Class R4             | MDBFX           |
| C000137085 | Class R3             | MDBRX           |
| C000241053 | Class Y              | MMOBX           |
| C000271055 | Class M1             | MMEFX           |
| C000271056 | Class M2             | MMOKX           |

#### MASSMUTUAL FUNDS<br>

#### MML Barings Inflation-Protected and Income Fund<br>

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

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

#### MassMutual Small Cap Opportunities Fund<br>

#### MassMutual Global Fund<br>

#### Supplement dated March 10, 2026 to the<br>

#### Statement of Additional Information dated February 1, 2026
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.

*Effective March 1, 2026, Paul LaPiana resigned as an Interested Trustee of the Trust.* 

#### PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

#### PREMSAI-26-03<br>

------

#### MASSMUTUAL FUNDS<br>

#### MML Barings Short-Duration Bond Fund<br>

#### MML Barings High Yield Fund<br>

#### Supplement dated March 10, 2026 to the<br>

#### Statement of Additional Information dated February 1, 2026
This supplement provides new and additional information beyond that contained in the Statement of Additional Information ("SAI"). It should be retained and read in conjunction with the SAI.

*Effective March 1, 2026, Paul LaPiana resigned as an Interested Trustee of the Trust.* 

#### PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

#### SAPREMSAI-26-01<br>