# EDGAR Filing Document

**Accession Number:** 0000778207
**File Stem:** 0001193125-23-023876
**Filing Date:** 2023-2
**Character Count:** 11769
**Document Hash:** 45e75c8405d04aadae386d286b0b07e1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-23-023876.hdr.sgml**: 20230203

**ACCESSION NUMBER**: 0001193125-23-023876

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230203

**DATE AS OF CHANGE**: 20230203

**EFFECTIVENESS DATE**: 20230203

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TRANSAMERICA SERIES TRUST
- **CENTRAL INDEX KEY:** 0000778207
- **IRS NUMBER:** 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:** 23585214

**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 MSCI EAFE Index VP (Series ID: S000057298)

---

|  |  |
|:---|:---|
| Class Name | Class ID   |
| Service    | C000182874 |
| Initial    | C000197833 |

---

### Transamerica S&P 500 Index VP (Series ID: S000057299)

---

|  |  |
|:---|:---|
| Class Name | Class ID   |
| Service    | C000182875 |
| Initial    | C000197834 |

---

## Series and Classes Contracts Data

### Transamerica MSCI EAFE Index VP (Series ID: S000057298)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000182874 | Service      |  |
| C000197833 | Initial      |  |

### Transamerica S&P 500 Index VP (Series ID: S000057299)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000182875 | Service      |  |
| C000197834 | Initial      |  |

**TRANSAMERICA SERIES TRUST** 

**Supplement to the Currently Effective Prospectus, Summary Prospectuses** 

**and Statement of Additional Information** 

**\* \* \*** 

**Transamerica MSCI EAFE Index VP** 

*Effective March 1, 2023, the following replaces the corresponding information in the Prospectus and Summary Prospectus for Transamerica MSCI EAFE Index VP under the section entitled "Management":* 

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp; **Management:** | &nbsp;&nbsp; **Management:** | &nbsp;&nbsp; **Management:** |
| &nbsp;&nbsp; *Investment Manager:* Transamerica Asset Management, Inc.<br> *Sub-Adviser:* SSGA Funds Management, Inc. | &nbsp;&nbsp; *Investment Manager:* Transamerica Asset Management, Inc.<br> *Sub-Adviser:* SSGA Funds Management, Inc. | &nbsp;&nbsp; *Investment Manager:* Transamerica Asset Management, Inc.<br> *Sub-Adviser:* SSGA Funds Management, Inc. |
| &nbsp;&nbsp; *Portfolio Managers:* |  |  |
| &nbsp;&nbsp; Dwayne Hancock, CFA | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Portfolio Manager | &nbsp;&nbsp;&nbsp;&nbsp; since May 2017 |
| &nbsp;&nbsp; Keith Richardson | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Portfolio Manager | &nbsp;&nbsp;&nbsp;&nbsp; since May 2017 |

---

*Effective March 1, 2023, the following replaces the information in the Prospectus for Transamerica MSCI EAFE Index VP under the section entitled "Shareholder Information – Portfolio Manager(s)":* 

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp;**Name** | **Sub-Adviser** | **Positions Over Past Five Years** |
| &nbsp;&nbsp;&nbsp;Dwayne Hancock, CFA | SSGA Funds Management, Inc. | Portfolio Manager of the portfolio since 2017; joined State Street Global Advisors in 1996; Vice President of State Street Global Advisors and Senior Portfolio Manager in the Global Equity Beta Solutions Group |
| &nbsp;&nbsp;&nbsp;Keith Richardson | SSGA Funds Management, Inc. | Portfolio Manager of the portfolio since 2017; joined State Street Global Advisors in 1999; Vice President of State Street Global Advisors and Senior Portfolio Manager in the Global Equity Beta Solutions Group |

---

**\* \* \*** 

*Effective March 1, 2023, the following replaces the corresponding information in the Statement of Additional Information for Transamerica MSCI EAFE Index VP under the section in Appendix B entitled "Portfolio Managers – SSGA Funds Management, Inc. ("SSGA FM")":* 

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
|  | **Registered Investment Companies** | **Registered Investment Companies** | **Other Pooled Investment Vehicles** | **Other Pooled Investment Vehicles** | **Other Accounts** | **Other Accounts** |
| &nbsp;&nbsp;&nbsp;**<u>Portfolio Manager</u>** | **<u>Number</u>** | **<u>Assets Managed</u>** | **<u>Number</u>** | **<u>Assets Managed</u>** | **<u>Number</u>** | **<u>Assets Managed</u>** |
| &nbsp;&nbsp;&nbsp;Dwayne Hancock, CFA | 131 | $987.51 billion | 377 | $826.74 billion | 521 | $515.27 billion |
| &nbsp;&nbsp;&nbsp;Keith Richardson | 131 | $987.51 billion | 377 | $826.74 billion | 521 | $515.27 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 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 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 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 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 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 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 respect to which the advisory fee is based on the performance of the account.)** |
| &nbsp;&nbsp;&nbsp;Dwayne Hancock, CFA | 0 | $0 | 0 | $0 | 0 | $0 |
| &nbsp;&nbsp;&nbsp;Keith Richardson | 0 | $0 | 0 | $0 | 0 | $0 |

---

\* \* \*

------

**Transamerica S&P 500 Index VP** 

*Effective March 1, 2023, the following replaces the corresponding information in the Prospectus and Summary Prospectus for Transamerica S&P 500 Index VP under the section entitled "Management":* 

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp; **Management:** | &nbsp;&nbsp; **Management:** | &nbsp;&nbsp; **Management:** |
| &nbsp;&nbsp; *Investment Manager:* Transamerica Asset Management, Inc.<br> *Sub-Adviser:* SSGA Funds Management, Inc. | &nbsp;&nbsp; *Investment Manager:* Transamerica Asset Management, Inc.<br> *Sub-Adviser:* SSGA Funds Management, Inc. | &nbsp;&nbsp; *Investment Manager:* Transamerica Asset Management, Inc.<br> *Sub-Adviser:* SSGA Funds Management, Inc. |
| &nbsp;&nbsp; *Portfolio Managers:* |  |  |
| &nbsp;&nbsp; Keith Richardson | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Portfolio Manager | &nbsp;&nbsp;&nbsp;&nbsp; since January 2019 |
| &nbsp;&nbsp; Karl Schneider | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Portfolio Manager | &nbsp;&nbsp;&nbsp;&nbsp; since May 2017 |

---

*Effective March 1, 2023, the following replaces the information in the Prospectus for Transamerica S&P 500 Index VP under the section entitled "Shareholder Information – Portfolio Manager(s)":* 

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp;**Name** | **Sub-Adviser** | **Positions Over Past Five Years** |
| &nbsp;&nbsp;&nbsp;Keith Richardson | SSGA Funds Management, Inc. | Portfolio Manager of the portfolio since 2019; joined State Street Global Advisors in 1999; Vice President of State Street Global Advisors and Senior Portfolio Manager in the Global Equity Beta Solutions Group |
| &nbsp;&nbsp;&nbsp;Karl Schneider | SSGA Funds Management, Inc. | Portfolio Manager of the portfolio since 2017; joined State Street Global Advisors in 1997; Managing Director of State Street Global Advisors and Deputy Head of Global Equity Beta Solutions in the Americas |

---

**\* \* \*** 

*Effective March 1, 2023, the following replaces the corresponding information in the Statement of Additional Information for Transamerica S&P 500 Index VP under the section in Appendix B entitled "Portfolio Managers – SSGA Funds Management, Inc. ("SSGA FM")":* 

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
|  | **Registered Investment Companies** | **Registered Investment Companies** | **Other Pooled Investment Vehicles** | **Other Pooled Investment Vehicles** | **Other Accounts** | **Other Accounts** |
| &nbsp;&nbsp;&nbsp;**<u>Portfolio Manager</u>** | **<u>Number</u>** | **<u>Assets Managed</u>** | **<u>Number</u>** | **<u>Assets Managed</u>** | **<u>Number</u>** | **<u>Assets Managed</u>** |
| &nbsp;&nbsp;&nbsp;Keith Richardson | 131 | $987.51 billion | 377 | $826.74 billion | 521 | $515.27 billion |
| &nbsp;&nbsp;&nbsp;Karl Schneider | 131 | $987.51 billion | 377 | $826.74 billion | 521 | $515.27 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 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 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 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 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 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 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 respect to which the advisory fee is based on the performance of the account.)** |
| &nbsp;&nbsp;&nbsp;Keith Richardson | 0 | $0 | 0 | $0 | 0 | $0 |
| &nbsp;&nbsp;&nbsp;Karl Schneider | 0 | $0 | 0 | $0 | 0 | $0 |

---

\* \* \*

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

**February 3, 2023**