# EDGAR Filing Document

**Accession Number:** 0000927972
**File Stem:** 0001133228-26-008143
**Filing Date:** 2026-5
**Character Count:** 19705
**Document Hash:** 598241cf2996a916c66373cc768f5a48
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001133228-26-008143.hdr.sgml**: 20260508

**ACCESSION NUMBER**: 0001133228-26-008143

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260508

**DATE AS OF CHANGE**: 20260508

**EFFECTIVENESS DATE**: 20260508

**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:** 26958748

**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 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 |

---

### 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 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           |

### 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>

#### (the "Funds")<br>

#### Supplement dated May 8, 2026 to the<br>

#### 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 May 16, 2026, the following information replaces the information for the Funds found under the heading **Transaction Orders by Telephone and in Writing** beginning on page 74 in the section titled **Buying, Redeeming, and Exchanging Shares**:* 

For the MML Barings Inflation-Protected and Income Fund, MML Barings Core Bond Fund, MML Barings Diversified Bond Fund, and MassMutual Small Cap Opportunities Fund, in general, you may purchase, exchange, or sell (redeem) shares on any business day through your financial intermediary or by contacting the transfer agent in writing or by telephone ("MassMutual Premier Funds – (Fund Name)," Attn: Transfer Agent, P.O. Box 219606, Kansas City, MO 64121-9606 or by telephone: 1-855-439-5459).

For the MassMutual Global Fund, in general, you may purchase, exchange, or sell (redeem) shares on any business day through your financial intermediary or by contacting the transfer agent in writing or by telephone, as follows:

**Transaction Orders by Telephone** 

Transaction orders placed by telephone will only be accepted if an *Application for Telephone Trading Privileges* has been completed and returned to State Street Bank and Trust Company ("State Street"), the MassMutual Global Fund's transfer agent. You may obtain an *Application for Telephone Trading Privileges* by contacting Shareholder Servicing at 1-877-766-0014. Persons electing to place transaction orders by telephone are able to do so through the following dedicated telephone number: MassMutual Premier Funds Transaction Line, 1-800-860-2232.

**Transaction Orders in Writing** 

If you do not want to utilize telephone privileges, you may place your shareholder trades by sending written instructions to State Street. Transaction orders placed in writing should be addressed to *State Street Bank and Trust Company, Attn: Transfer Agency Operations, Box 5493, Boston, MA 02206* and should include the following information:

&nbsp;&nbsp;&nbsp;&nbsp;• A letter of instruction signed by an authorized signer of the account detailing the fund name, account number, and trade details; including the trade type (purchase or redemption), and the dollar or share amount. The trade will be processed upon receiving the request in good order.

&nbsp;&nbsp;&nbsp;&nbsp;• The signature on the letter of instructions must be guaranteed by an acceptable financial institution (such as a bank, broker, or savings and loan association) as defined under Rule 17Ad-15 of the Securities Exchange Act of 1934, as amended. If your financial institution belongs to one of the medallion guarantee programs, it must use the actual "Medallion Guaranteed" stamp.

&nbsp;&nbsp;&nbsp;&nbsp;• If applicable, a corporate resolution which states that the extract of the by-laws is true and complete and is in full force and effect.

&nbsp;&nbsp;&nbsp;&nbsp;• The resolution must be signed by the secretary. It must have a corporate seal or state that no seal exists. If there is no seal, the corporate resolution must be signed by an authorized signer with a medallion guaranteed stamp and must be dated within sixty (60) days of presentment to State Street.

------

*Effective May 16, 2026, the following information replaces the information for the Funds found under the heading **How to Invest** beginning on page 75 in the section titled **Buying, Redeeming, and Exchanging Shares**:* 

Outlined below are various methods for buying shares of the Funds:

---

| | |
|:---|:---|
| **Method** | **Instructions**  |
| Through your financial intermediary | Your financial intermediary can help you establish your account and buy shares on your behalf. To receive the current trading day's price, your financial intermediary must receive your request in good order prior to the close of regular trading on the NYSE, usually 4:00 p.m., Eastern time. Your financial intermediary may charge you fees for executing the purchase for you.  |
| By exchange | You or your financial intermediary may acquire shares of a Fund for your account by exchanging shares you own in certain other funds advised by MML Advisers for shares of the same class of a Fund, subject to the conditions described in "Exchanges" above. In addition, you or your financial intermediary may exchange shares of a class of a Fund you own for shares of a different class of the same Fund, subject to the conditions described in "Exchanges."<br>For the MML Barings Inflation-Protected and Income Fund, MML Barings Core Bond Fund, MML Barings Diversified Bond Fund, and MassMutual Small Cap Opportunities Fund, to exchange, send written instructions to the applicable Fund, at the address noted below<sup>(1)</sup> or call 1-855-439-5459.<br>For the Global Fund, to exchange, send written instructions to the Fund, at the address noted below<sup>(2)</sup> or call 1-800-860-2232.  |
| By wire | You may purchase shares of a Fund by wiring money from your bank account to your Fund account.<br>For the MML Barings Inflation-Protected and Income Fund, MML Barings Core Bond Fund, MML Barings Diversified Bond Fund, and MassMutual Small Cap Opportunities Fund, prior to sending wire transfers, please contact Shareholder Services at 1-855-439-5459 for specific wiring instructions and to facilitate prompt and accurate credit upon receipt of your wire.<br>For the MassMutual Global Fund, prior to sending wire transfers, please contact Shareholder Services at 1-800-860-2232 for specific wiring instructions and to facilitate prompt and accurate credit upon receipt of your wire.<br>To receive the current trading day's price, your wire, along with a valid account number, must be received in your Fund account prior to the close of regular trading on the NYSE, usually 4:00 p.m., Eastern time.<br>For the MML Barings Inflation-Protected and Income Fund, MML Barings Core Bond Fund, MML Barings Diversified Bond Fund, and MassMutual Small Cap Opportunities Fund, if your initial purchase of shares is by wire, you must first complete a new account application and promptly mail it to MassMutual Premier Funds – (Fund Name), at the address noted below.<sup>(1)</sup> After completing a new account application, please call 1-855-439-5459 to obtain your account number. Please include your account number on the wire.<br>For the MassMutual Global Fund, if your initial purchase of shares is by wire, you must first complete a new account application and promptly mail it to MassMutual Premier Funds – (MassMutual Global Fund), at the address noted below.<sup>(2)</sup> After completing a new account application, please call 1-800-860-2232 to obtain your account number. Please include your account number on the wire.  |

---

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---

| | |
|:---|:---|
| **Method** | **Instructions**  |
| By electronic funds transfer via an automated clearing house ("ACH") transaction<sup>(3)</sup> | For the MML Barings Inflation-Protected and Income Fund, MML Barings Core Bond Fund, MML Barings Diversified Bond Fund, and MassMutual Small Cap Opportunities Fund, you may purchase shares of a Fund by electronically transferring money from your bank account to your Fund account by calling 1-855-439-5459. An electronic funds transfer may take up to two business days to settle and be considered in good order. You must set up this feature prior to your telephone request. Be sure to complete the appropriate section of the application.  |
| By check | To purchase shares of a Fund by check, make your check payable to 'MassMutual Premier Funds'. Your checks should include the fund name which you would like to purchase along with your account number (if previously established).<br>For the MML Barings Inflation-Protected and Income Fund, MML Barings Core Bond Fund, MML Barings Diversified Bond Fund, and MassMutual Small Cap Opportunities Fund, your request should be mailed to the address noted below.<sup>(1)</sup><br>For the MassMutual Global Fund, your request should be mailed to the address noted below.<sup>(2)</sup><br>The Funds will accept purchases only in U.S. dollars drawn from U.S. financial institutions. Cashier's checks, third party checks, money orders, credit card convenience checks, cash or equivalents, or payments in foreign currencies are not acceptable forms of payment. |

---

<sup>(1)</sup> <br> Regular Mail: "MassMutual Premier Funds – (Fund Name)," Attn: Transfer Agent, P.O. Box 219606, Kansas City, MO 64121-9606 <br>

Overnight Mail: "MassMutual Premier Funds – (Fund Name)," Attn: Transfer Agent, 430W 7th Street, Suite 219606, Kansas City, MO 64105-1407

<sup>(2)</sup> <br> Regular Mail: State Street Bank and Trust Company, Attn: MassMutual Transfer Agency, Mail Code JAB0321, Box 5493, Boston, MA 02206 <br>

Overnight Mail: State Street Bank and Trust Company, Attn: MassMutual Transfer Agency, Mail Code JAB0321, 1776 Heritage Drive, No. Quincy, MA 02171

<sup>(3)</sup> <br> Any purchase by ACH transaction that does not clear may be cancelled, and the investor will be responsible for any associated expenses and losses to the applicable Fund.

#### PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

#### PREMPRO-26-03

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#### 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 May 8, 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 and any previous supplements. It should be retained and read in conjunction with the Statement of Additional Information and any previous supplements.

*Effective May 16, 2026, the following information replaces the information found on page B-80 in the section titled **Custodian, Dividend Disbursing Agent, and Transfer Agent**:* 

#### CUSTODIAN, DIVIDEND DISBURSING AGENT, AND TRANSFER AGENTS
State Street, located at One Congress Street, Boston, Massachusetts 02114, is the custodian of each Fund's investments (the "Custodian") and is the transfer agent and dividend disbursing agent (the "State Street Transfer Agent") for the Global Fund. ALPS Fund Services, Inc., located at 1290 Broadway, Suite 1000, Denver, Colorado 80203, is the transfer agent and dividend disbursing agent for the Inflation-Protected and Income Fund, Core Bond Fund, Diversified Bond Fund, and Small Cap Opportunities Fund (the "ALPS Transfer Agent" and together with State Street Transfer Agent, the "Transfer Agent"). As Custodian, State Street has custody of the Funds' securities and maintains certain financial and accounting books and records. As Custodian and Transfer Agents, State Street and ALPS Fund Services, Inc. do not assist in, and are not responsible for, the investment decisions and policies of the Funds.

*Effective May 16, 2026, the following information replaces similar information found on page B-85 under the heading **Letter of Intent (Class A Shares Only)** in the section titled **Programs for Reducing or Eliminating Sales Charges**:* 

Additional information about, and terms of, Letters of Intent are available from a financial intermediary, or from the State Street Transfer Agent at 1-800-860-2232 or the ALPS Transfer Agent at 1-855-439-5459.

#### PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

#### PREMSAI-26-05

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