Supplement dated July 13, 2026
to the Prospectuses and Updating Summary Prospectuses, each dated April 27, 2026, as supplemented, for:
MassMutual EvolutionSM
MassMutual Transitions SelectSM
Issued by Massachusetts Mutual Life Insurance Company
THIS SUPPLEMENT MUST BE READ IN CONJUNCTION WITH YOUR PROSPECTUS. PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE. |
Effective July 1, 2026, this supplement amends certain information in the above-referenced prospectuses.
| · | The information for the MML VIP Wellington Small Cap Growth Equity Fund in the Pre-2008 Version table in Appendix A of the prospectuses is deleted and replaced with the following: |
| Fund Type | Fund and Adviser/Sub-Adviser | Current
Expenses (expenses/average assets) |
Average Annual Total Returns (as of 12/31/2025) | ||
| 1 Year | 5 Year | 10 Year | |||
| Small/Mid-Cap Growth |
MML VIP Wellington Small Cap Growth Equity Fund Adviser: MML Investment Advisers, LLC Sub-Adviser: Wellington Management Company LLP |
0.94%(*) | 7.34% | 2.67% | 10.59% |
| (*) | This fund is subject to an expense reimbursement or fee waiver arrangement. As a result, this fund’s annual expenses reflect temporary expense reductions. See the fund prospectus for additional information. |
| · | The information for the MML VIP Wellington Small Cap Growth Equity Fund in the 2008 Version table in Appendix A of the prospectuses is deleted and replaced with the following: |
| Fund Type | Fund and Adviser/Sub-Adviser | Current Expenses (expenses/average assets) |
Average Annual Total Returns (as of 12/31/2025) | ||
| 1 Year | 5 Year | 10 Year | |||
| Small/Mid-Cap Growth |
MML VIP Wellington Small Cap Growth Equity Fund Adviser: MML Investment Advisers, LLC Sub-Adviser: Wellington Management Company LLP |
1.19%(*) | 7.07% | 2.41% | 10.32% |
| (*) | This fund is subject to an expense reimbursement or fee waiver arrangement. As a result, this fund’s annual expenses reflect temporary expense reductions. See the fund prospectus for additional information. |
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 (800) 272-2216, 8 a.m.–5 p.m. Eastern Time.
For more information about the fund, read the fund prospectus. Fund prospectuses are available on our website at www.MassMutual.com.
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