ADVANTAGE X
Variable Adjustable Life Insurance Policy
issued through
Transamerica Corporate Separate Account Sixteen
by
Transamerica Life Insurance Company
Supplement dated October 1, 2025
to the
Prospectus dated May 1, 2018
This supplement contains additional information and should be read and retained along with the prospectus dated May 1, 2018. Please read this supplement carefully and keep it with your prospectus for future reference.
*****
Our fax number has been discontinued. We will no longer be taking any requests or requiring communication by fax for any transactions including premium payments, transfers, allocation instructions or loan requests.
*****
A name change applies to the following portfolios:
| PRIOR PORTFOLIO NAME | NEW PORTFOLIO NAME |
| DFA VA Global Bond Portfolio | Dimensional VA Global Bond Portfolio |
| DFA VA International Small Portfolio | Dimensional VA International Small Portfolio |
| DFA VA International Value Portfolio | Dimensional VA International Value Portfolio |
| DFA VA Short-Term Fixed Portfolio | Dimensional VA Short-Term Fixed Portfolio |
| DFA VA U.S. Large Value Portfolio | Dimensional VA U.S. Large Value Portfolio |
| DFA VA U.S. Targeted Value Portfolio | Dimensional VA U.S. Targeted Value Portfolio |
| DFA VIT Inflation-Protected Securities Portfolio (Institutional Class) | Dimensional VIT Inflation-Protected Securities Portfolio (Institutional Class) |
*****
Transamerica Life’s home office located at 6400 C St SW, Cedar Rapids, IA 52404.
The Principal Underwriter’s name changed from Transamerica Capital, Inc. to Transamerica Capital, LLC.
*****
If you have any questions regarding this supplement, you may contact us by writing to the Administrative Office at Transamerica Life Insurance Company, 4840 N. River Blvd., Cedar Rapids, Iowa 52411, or calling toll free at 1-888-804-8461 (Monday - Friday from 8:00 a.m. – 4:30 p.m. Central time).