# EDGAR Filing Document

**Accession Number:** 0000778207
**File Stem:** 0001193125-25-153704
**Filing Date:** 2025-7
**Character Count:** 6574
**Document Hash:** 4e132ceceab41fcf958f67d19f18e85b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-153704.hdr.sgml**: 20250701

**ACCESSION NUMBER**: 0001193125-25-153704

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250701

**DATE AS OF CHANGE**: 20250701

**EFFECTIVENESS DATE**: 20250701

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TRANSAMERICA SERIES TRUST
- **CENTRAL INDEX KEY:** 0000778207

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-00507
- **FILM NUMBER:** 251094646

**BUSINESS ADDRESS:**
- **STREET 1:** 1801 CALIFORNIA STREET
- **STREET 2:** SUITE 5200
- **CITY:** DENVER
- **STATE:** CO
- **ZIP:** 80202
- **BUSINESS PHONE:** 720-482-8836

**MAIL ADDRESS:**
- **STREET 1:** 1801 CALIFORNIA STREET
- **STREET 2:** SUITE 5200
- **CITY:** DENVER
- **STATE:** CO
- **ZIP:** 80202

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AEGON/TRANSAMERICA SERIES TRUST
- **DATE OF NAME CHANGE:** 20050511

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AEGON/TRANSAMERICA SERIES FUND INC
- **DATE OF NAME CHANGE:** 20010501

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** WRL SERIES FUND INC
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### Transamerica TSW International Equity VP (Series ID: S000007928)

---

|  |  |
|:---|:---|
| Class Name | Class ID   |
| Initial    | C000021501 |
| Service    | C000021502 |

---

## Series and Classes Contracts Data

### Transamerica TSW International Equity VP (Series ID: S000007928)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000021501 | Initial      |  |
| C000021502 | Service      |  |

**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:** | **Management:** | **Management:** |
| *Investment Manager:* Transamerica Asset Management, Inc. | *Investment Manager:* Transamerica Asset Management, Inc. | *Investment Manager:* Transamerica Asset Management, Inc. |
| *Sub-Adviser:* Thompson, Siegel &Walmsley LLC | *Sub-Adviser:* Thompson, Siegel &Walmsley LLC | *Sub-Adviser:* Thompson, Siegel &Walmsley LLC |
| Portfolio Managers: | Portfolio Managers: | 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)":* 

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp;**Name** | **Sub-Adviser** | **Positions Over Past Five Years** |
| &nbsp;&nbsp;&nbsp;Brandon H. Harrell, CFA | Thompson, Siegel &Walmsley LLC | Portfolio Manager of the portfolio since 2013; Portfolio Manager at Thompson, Siegel & Walmsley LLC since 1996 |
| &nbsp;&nbsp;&nbsp;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** 

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| &nbsp;&nbsp;&nbsp;**Portfolio Manager** | <br> **Registered Investment<br>Companies** | <br> **Registered Investment<br>Companies** | <br> **Other Pooled Investment**<br> **Vehicles** | <br> **Other Pooled Investment**<br> **Vehicles** | **Other Accounts** | **Other Accounts** |
| &nbsp;&nbsp;&nbsp;**Portfolio Manager** | **Number**<br>| <br> **Assets**<br> **Managed**<br>| **Number**<br>| **Assets**<br> **Managed**<br>| **Number**<br>| **Assets**<br> **Managed**<br>|
| &nbsp;&nbsp;&nbsp;Brandon H. Harrell, CFA | 6 | $6.97 billion | 5 | $1.73 billion | 11 | $3.57 billion |
| &nbsp;&nbsp;&nbsp;Stedman D. Oakey, CFA\* | 6 | $7.00 billion | 5 | $1.71 billion | 12 | $3.79 billion |
| &nbsp;&nbsp;&nbsp; **Fee Based Accounts**<br> **(The number of accounts and the total assets in the accounts managed by each portfolio manager with**<br> **respect to which the advisory fee is based on the performance of the account.)** | &nbsp;&nbsp;&nbsp; **Fee Based Accounts**<br> **(The number of accounts and the total assets in the accounts managed by each portfolio manager with**<br> **respect to which the advisory fee is based on the performance of the account.)** | &nbsp;&nbsp;&nbsp; **Fee Based Accounts**<br> **(The number of accounts and the total assets in the accounts managed by each portfolio manager with**<br> **respect to which the advisory fee is based on the performance of the account.)** | &nbsp;&nbsp;&nbsp; **Fee Based Accounts**<br> **(The number of accounts and the total assets in the accounts managed by each portfolio manager with**<br> **respect to which the advisory fee is based on the performance of the account.)** | &nbsp;&nbsp;&nbsp; **Fee Based Accounts**<br> **(The number of accounts and the total assets in the accounts managed by each portfolio manager with**<br> **respect to which the advisory fee is based on the performance of the account.)** | &nbsp;&nbsp;&nbsp; **Fee Based Accounts**<br> **(The number of accounts and the total assets in the accounts managed by each portfolio manager with**<br> **respect to which the advisory fee is based on the performance of the account.)** | &nbsp;&nbsp;&nbsp; **Fee Based Accounts**<br> **(The number of accounts and the total assets in the accounts managed by each portfolio manager with**<br> **respect to which the advisory fee is based on the performance of the account.)** |
| &nbsp;&nbsp;&nbsp;Brandon H. Harrell, CFA | 0 | $0 | 0 | $0 | 0 | $0 |
| &nbsp;&nbsp;&nbsp;Stedman D. Oakey, CFA\* | 0 | $0 | 0 | $0 | 0 | $0 |

---

<sup>\*</sup> As of March 31, 2025

**\* \* \*** 

**Investors Should Retain this Supplement for Future Reference** 

**July 1, 2025**