Form 497VPU MASSACHUSETTS MUTUAL
Supplement dated November 17, 2025
to the Prospectus, Initial Summary Prospectus, and Updating Summary Prospectus each dated April 28, 2025, as supplemented, for:
Strategic Group Variable Universal Life®
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 Additions
Beginning November 17, 2025, the following funds are added to Appendix A as investment options under your policy:
| 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 (Class II)** Adviser: MML Investment Advisers, LLC Sub-Adviser: Invesco Advisers, Inc. | 0.83% | -- | -- | -- |
| Large Cap Growth | MML Invesco Discovery Large Cap Fund (Class II)** Adviser: MML Investment Advisers, LLC Sub-Adviser: Invesco Advisers, Inc. | 0.74% | -- | -- | -- |
| Large Cap Blend | MML Fundamental Equity Fund (Class II) Adviser: MML Investment Advisers, LLC Sub-Adviser: Invesco Advisers, Inc. | 0.80%* | 23.71% | 13.21% | 13.43% |
| International/Global | MML Global Fund (Class II) Adviser: MML Investment Advisers, LLC Sub-Adviser: Invesco Advisers, Inc. | 0.81%* | 5.59% | 5.87% | 7.55% |
| Small/Mid-Cap Growth | MML Mid Cap Growth Fund (Initial Class) Adviser: MML Investment Advisers, LLC Sub-Adviser: T. Rowe Price Associates, Inc. | 0.83% | 11.16% | 7.73% | 10.20% |
*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 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_19 |
Fund Name Changes and Sub-Adviser Change
| • | Effective November 14, 2025, the following fund was renamed and the following fund sub-adviser change 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 |
| • | Effective November 14, 2025, the following fund was renamed: |
| Current Fund Name | New Fund Name |
| MML Small Cap Equity Fund | MML VIP Invesco Small Cap Equity Fund |
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 Administrative Office at (800) 548-0073, 8 a.m.–5 p.m. Eastern 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_19 |
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