Form 497VPU MASSACHUSETTS MUTUAL
Supplement dated November 17, 2025
to the Prospectuses, Initial Summary Prospectuses, and Updating Summary Prospectuses each dated April 28, 2025, as supplemented, for:
MassMutual Capital Vantage®
MassMutual Transitions SelectSM II
Issued by Massachusetts Mutual Life Insurance Company
| THIS SUPPLEMENT MUST BE READ IN CONJUNCTION WITH YOUR PROSPECTUS. |
| PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE. |
This supplement amends certain information in the above-referenced prospectuses:
Fund Addition
Beginning November 17, 2025, the following fund is added to Appendix A as an investment option under your Contract:
| Fund Type | Fund and Adviser/Sub-Adviser | Current Expenses (expenses/ average assets) | Average Annual Total Returns (as of 12/31/2024) | ||
| 1 Year | 5 Year | 10 Year | |||
| Small/Mid-Cap Growth | MML Invesco Discovery Mid Cap Fund (Service Class I)** Adviser: MML Investment Advisers, LLC Sub-Adviser: Invesco Advisers, Inc. | 1.08%
| — | — | — |
**The expenses are based on estimated amounts for the current fiscal year of the Fund. The Fund has not been in operation for a full calendar year, and therefore has no performance history. Performance history will be available for the Fund after it has been in operation for one calendar year.
| page 1 of 2 | PS25_09 |
Fund Name Changes and Sub-Adviser Changes
| • | Effective November 14, 2025, the following funds were renamed and the following fund sub-adviser changes occurred: |
| Current Fund Name | New Fund Name |
|
MML International Equity Fund
Adviser: MML Investment Advisers, LLC Sub-Advisers: Massachusetts Financial Services Company and Harris Associates L.P. |
MML VIP MFS International Equity Fund
Adviser: MML Investment Advisers, LLC Sub-Adviser: Massachusetts Financial Services Company |
|
MML Total Return Bond Fund
Adviser: MML Investment Advisers, LLC Sub-Adviser: Metropolitan West Asset Management, LLC |
MML VIP Fidelity Institutional AM® Core Plus Bond Fund
Adviser: MML Investment Advisers, LLC Sub-Adviser: FIAM LLC |
| • | Effective November 14, 2025, the following funds were renamed: |
| Current Fund Name | New Fund Name |
| MML Large Cap Growth Fund | MML VIP Loomis Sayles Large Cap Growth Fund |
| MML Mid Cap Value Fund | MML VIP American Century Mid Cap Value Fund |
| MML Small Cap Equity Fund | MML VIP Invesco Small Cap Equity Fund |
| MML Small Company Value Fund | MML VIP American Century Small Company Value Fund |
| • | Effective on or about December 1, 2025, the following fund will be renamed and the following fund sub-adviser change will occur: |
| Current Fund Name | New Fund Name |
|
Macquarie VIP Asset Strategy Series
Adviser: Delaware Management Company Sub-Advisers: Macquarie Investment Management Austria Kapitalanlage AG, Macquarie Investment Management Europe Limited, and Macquarie Investment Management Global Limited |
Nomura VIP Asset Strategy Series
Adviser: Delaware Management Company Sub-Advisers: Nomura Investment Management Austria Kapitalanlage AG and Macquarie Investment Management Global Limited |
If you have questions about this supplement, or other product questions, you may contact your registered representative, visit us online at www.MassMutual.com/contact-us, or call our Service Center at (866) 645-2362, 7 a.m.–7 p.m. Central Time.
For more information about the funds, read each fund prospectus. Prospectuses are available on our website at www.MassMutual.com.
| page 2 of 2 | PS25_09 |
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