# EDGAR Filing Document

**Accession Number:** 0000778207
**File Stem:** 0001193125-26-036829
**Filing Date:** 2026-2
**Character Count:** 6638
**Document Hash:** bf13c65973e10e4592afd101f9777142
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-036829.hdr.sgml**: 20260204

**ACCESSION NUMBER**: 0001193125-26-036829

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260204

**DATE AS OF CHANGE**: 20260204

**EFFECTIVENESS DATE**: 20260204

**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:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-00507
- **FILM NUMBER:** 26596254

**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 60/40 Allocation VP (Series ID: S000060985)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000197832 | Service      |  |

**TRANSAMERICA SERIES TRUST** 

**Supplement to the Currently Effective Prospectus, Summary Prospectus and Statement of Additional Information** 

**\* \* \*** 

*Effective February 5, 2026, Christopher A. Staples, CFA will be removed from the "Officers" table contained in the "Board Members and Officers" sub-section of the Statement of Additional Information under the heading "Management of the Trust."* 

**\* \* \*** 

**Transamerica 60/40 Allocation VP** 

*Effective February 5, 2026, the following will replace the corresponding information in the Prospectus and Summary Prospectus for Transamerica 60/40 Allocation 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.  |
|  *Portfolio Managers:* | *Portfolio Managers:* | *Portfolio Managers:* |
|  Kane Cotton, CFA | Portfolio Manager | since January 2018 |
| E. Kele Evans, CFA | Portfolio Manager | since February 2026 |
|  Rufat Garalov, CFA | Portfolio Manager | since May 2021 |

---

*Effective February 5, 2026, the following will replace the corresponding information in the Prospectus under the section entitled "Shareholder Information – Portfolio Manager(s)":* 

**Transamerica 60/40 Allocation VP** 

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; **Name** | **Adviser** | **Positions Over Past Five Years** |
| &nbsp;&nbsp;&nbsp; Kane Cotton, CFA | Transamerica Asset Management, Inc. | Portfolio Manager of the portfolio since 2018;<br> Employed by Transamerica Asset Management, Inc.<br> since 2014 |
| &nbsp;&nbsp;&nbsp; E. Kele Evans, CFA | Transamerica Asset Management, Inc. | Portfolio Manager of the portfolio since 2026;<br> Employed by Transamerica Asset Management, Inc.<br> since 2019 |
| &nbsp;&nbsp;&nbsp; Rufat Garalov, CFA | Transamerica Asset Management, Inc. | Portfolio Manager of the portfolio since 2021;<br> Employed by Transamerica Asset Management, Inc.<br> since 2014 |

---

\* \* \*

*Effective February 5, 2026, the following will replace the corresponding information in the Statement of Additional Information under the section in Appendix B entitled "Portfolio Managers – Transamerica Asset Management, Inc. ("TAM")":* 

**Transamerica 60/40 Allocation VP** 

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; **Portfolio Manager** | **Registered Investment**<br> **Companies** | **Registered Investment**<br> **Companies** | **Other Pooled Investment**<br> **Vehicles** | **Other Pooled Investment**<br> **Vehicles** | **Other Accounts** | **Other Accounts** |
| &nbsp;&nbsp;&nbsp; **Portfolio Manager** | **Number** | **Assets**<br> **Managed** | **Number** | **Assets**<br> **Managed** | **Number** | **Assets**<br> **Managed** |
| &nbsp;&nbsp;&nbsp; Kane Cotton, CFA | 4 | $193 million | 5 | $192 million | 0 | $0 |
| &nbsp;&nbsp;&nbsp; E. Kele Evans, CFA\* | 4 | $193 million | 5 | $192 million | 0 | $0 |
| &nbsp;&nbsp;&nbsp; Rufat Garalov, CFA | 4 | $193 million | 5 | $192 million | 0 | $0 |
| &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; Kane Cotton, CFA | 0 | $0 | 0 | $0 | 0 | $0 |
| &nbsp;&nbsp;&nbsp; E. Kele Evans, CFA\* | 0 | $0 | 0 | $0 | 0 | $0 |
| &nbsp;&nbsp;&nbsp; Rufat Garalov, CFA | 0 | $0 | 0 | $0 | 0 | $0 |

---

\* As of February 5, 2026

\* \* \*

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

**February 4, 2026**