TRANSAMERICA SERIES TRUST
Supplement to the Currently Effective Prospectus, Summary Prospectus
and Statement of Additional Information
Transamerica TSW International Equity VP
* * *
Effective immediately, the following will replace the corresponding information in the Prospectus and Summary Prospectus for Transamerica TSW International Equity VP under the section entitled “Management”:
| Management: | ||||||
| Investment Manager: Transamerica Asset Management, Inc. | ||||||
| Sub-Adviser: Thompson, Siegel &Walmsley LLC | ||||||
| Portfolio Managers: | ||||||
| Brandon H. Harrell, CFA | Portfolio Manager | since May 2013 | ||||
| Stedman D. Oakey, CFA | Portfolio Manager | since July 2025 | ||||
Effective immediately, the following will replace the corresponding information in the Prospectus for Transamerica TSW International Equity VP under the section entitled “Shareholder Information – Portfolio Manager(s)”:
| Name | Sub-Adviser | Positions Over Past Five Years | ||
| Brandon H. Harrell, CFA | Thompson, Siegel &Walmsley LLC | Portfolio Manager of the portfolio since 2013; Portfolio Manager at Thompson, Siegel & Walmsley LLC since 1996 | ||
| Stedman D. Oakey, CFA | Thompson, Siegel &Walmsley LLC | Portfolio Manager of the portfolio since 2025; Portfolio Manager at Thompson, Siegel &Walmsley LLC since 2011 and International Research Analyst since 2005 |
* * *
Effective immediately, the following will replace the corresponding information in the Statement of Additional Information under the section in Appendix B entitled “Portfolio Managers—Thompson, Siegel & Walmsley LLC (“TSW”)”:
Transamerica TSW International Equity VP
| Portfolio Manager |
Registered Investment
|
Other Pooled Investment Vehicles
|
Other Accounts
| |||||||||
| Number
|
Assets Managed
|
Number
|
Assets Managed
|
Number
|
Assets Managed
| |||||||
| Brandon H. Harrell, CFA | 6 | $6.97 billion | 5 | $1.73 billion | 11 | $3.57 billion | ||||||
| Stedman D. Oakey, CFA* | 6 | $7.00 billion | 5 | $1.71 billion | 12 | $3.79 billion | ||||||
|
Fee Based Accounts (The number of accounts and the total assets in the accounts managed by each portfolio manager with respect to which the advisory fee is based on the performance of the account.) | ||||||||||||
| Brandon H. Harrell, CFA | 0 | $0 | 0 | $0 | 0 | $0 | ||||||
| Stedman D. Oakey, CFA* | 0 | $0 | 0 | $0 | 0 | $0 | ||||||
* As of March 31, 2025
* * *
Investors Should Retain this Supplement for Future Reference
July 1, 2025