# EDGAR Filing Document

**Accession Number:** 0000778207
**File Stem:** 0001193125-26-197210
**Filing Date:** 2026-4
**Character Count:** 43682
**Document Hash:** 6ef59282b179da690dda72549bacccae
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-197210.hdr.sgml**: 20260430

**ACCESSION NUMBER**: 0001193125-26-197210

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 4

**FILED AS OF DATE**: 20260430

**DATE AS OF CHANGE**: 20260430

**EFFECTIVENESS DATE**: 20260430

**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:** 26925211

**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 Aegon Sustainable Equity Income VP (Series ID: S000007908)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000021461 | Initial      |  |
| C000021462 | Service      |  |

![](g29247tf_blacknotrust.jpg)

**Transamerica Aegon Sustainable Equity Income VP**

**Summary Prospectus May 1, 2026**

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Class Initial & Service (No Ticker)

This summary prospectus is designed to provide shareholders with key portfolio information in a clear and concise format. Before you invest, you may want to review the portfolio's prospectus, which contains more information about the portfolio and its risks. You can find the portfolio's prospectus, reports to shareholders, and other information about the portfolio, including the portfolio's statement of additional information, online at https://www.transamerica.com/financial-pro/annuities/prospectus. You can also get this information at no cost by calling 866-414-6349 or by sending an e-mail request to orders@mysummaryprospectus.com, or from your financial professional. The portfolio's prospectus and statement of additional information, both dated May 1, 2026, as supplemented from time to time, are incorporated by reference into this summary prospectus.

**Investment Objective:** Seeks total return gained from the combination of dividend yield, growth of dividends and capital appreciation.

**Fees and Expenses:** This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the portfolio, but it does not reflect any charges that are, or may be, imposed under your variable life insurance policy or variable annuity contract. If such charges were reflected, fees would be higher.

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**Shareholder Fees (fees paid directly from your investment)** 

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| | | |
|:---|:---|:---|
| **Class:** | **Initial**  | **Service**  |
| Maximum sales charge (load) imposed on purchases <br> (as a percentage of offering price)<br>| None | None |
| Maximum deferred sales charge (load) (as a <br> percentage of purchase price or redemption <br> proceeds, whichever is lower)<br>| None | None |

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**Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)** 

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| | | |
|:---|:---|:---|
| **Class:** | **Initial** | **Service** |
| Management fees | 0.66% | 0.66% |
| Distribution and service (12b-1) fees |  | 0.25% |
| Other expenses | 0.06% | 0.06% |
| Total annual fund operating expenses | 0.72% | 0.97% |

---

**Example:** This Example is intended to help you compare the cost of investing in the portfolio with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in the portfolio for the time periods indicated and then redeem all shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the portfolio's operating expenses remain the same. The Example does not reflect charges that are, or may be, imposed under your variable life insurance policy or

variable annuity contract. If such charges were reflected, costs would be higher. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

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| | | | | |
|:---|:---|:---|:---|:---|
|  | **1 year** | **3 years** | **5 years** | **10 years** |
| Initial Class | &nbsp;&nbsp; $74 | &nbsp;&nbsp; $230 | &nbsp;&nbsp; $401 | &nbsp;&nbsp; $894 |
| Service Class | &nbsp;&nbsp; $99 | &nbsp;&nbsp; $309 | &nbsp;&nbsp; $536 | &nbsp;&nbsp; $1190 |

---

**Portfolio Turnover:** The portfolio pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs. These costs, which are not reflected in annual portfolio operating expenses or in the Example, affect the portfolio's performance.

During the most recent fiscal year, the portfolio turnover rate for the portfolio was 17% of the average value of its portfolio.

**Principal Investment Strategies:** The portfolio's sub-adviser, Aegon Asset Management UK plc (the "sub-adviser"), deploys an active strategy that generally invests in large and middle capitalization U.S. companies, focusing on those that pay dividends and that the sub-adviser views as having a favorable sustainability profile. Under normal circumstances, the portfolio will invest at least 80% of its net assets (plus the amount of borrowings, if any, for investment purposes) in equity securities. The sub-adviser generally looks to buy stocks and hold them over multi-year periods in an effort to benefit from the compounding effects of increasing dividends.

When selecting dividend-paying stocks, the sub-adviser normally seeks to invest in companies that fall within one of three groupings established by the sub-adviser. One group is "compounders" or those companies that the sub-adviser sees as consistent annual dividend growers with long-term records of growing dividend-per-share. A second group is "hoarders" or those companies that are viewed by the sub-adviser as having the operating success and balance sheet strength to potentially increase dividend payout ratios and positively surprise the market. The third group is "de-equitizers" with capital structures that the sub-adviser believes offer the potential for mergers and acquisitions or share buy-backs.

In addition, the sub-adviser applies its sustainability assessment framework in evaluating each company considered for the portfolio. The sub-adviser's Responsible Investment team defines companies as being sustainability "Leaders", "Improvers", "Neutrals" or "Laggards" (as further defined below). The sub-adviser will invest at least 85% of the portfolio's net assets in stocks of companies with what the sub-adviser views as having positive sustainability credentials, which are companies the sub-adviser's Responsible Investment team has identified as "Leaders" or "Improvers." The sub-adviser may invest up to 15% of the portfolio's net assets in stocks of companies that the Responsible Investment team views as "Neutral." The sub-adviser will not invest in companies identified by the Responsible Investment team as "Laggards."

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The sub-adviser maintains an exclusion list containing companies involved in a range of activities that the sub-adviser believes have a negative impact on the environment and/or social factors. These are therefore excluded by the sub-adviser from the investible universe at the start of the investment process, based on the following criteria: adult entertainment (own an adult entertainment company or produce adult entertainment), animal testing (engage in the production or sale of animal tested cosmetics), gambling (derive more than 10% of revenue from gambling), genetic modification (conduct genetic modification for agricultural policies), tobacco (derive more than 10% revenue from tobacco), weapons (produce or sell civilian firearms and firms which manufacture or sell armaments, nuclear weapons or associated products), nuclear power (own a nuclear power facility), fossil fuels (engagement in the extraction of coal and oil) and human rights (companies failing to address serious allegations of violations of international standards on human rights including the use of child forced or bonded labor). In assessing whether an individual company is an eligible investment or excluded based on the exclusionary list, the sub-adviser utilizes Morgan Stanley Capital International ("MSCI") and Institutional Shareholder Services Inc. ("ISS") to check revenue exposure to excluded activities. As the portfolio's portfolio securities are reviewed during the course of a year, or as material corporate events occur, the sub-adviser utilizes MSCI and ISS to reassess revenue exposures.

Sustainability research by the sub-adviser's Responsible Investment team, composed of employees of the sub-adviser and certain of its affiliates, forms a key part of the sub-adviser's investment process. For companies not excluded based on the sub-adviser's exclusion list, the Responsible Investment team independently conducts sustainability research on each company proposed for investment by the sub-adviser's investment team. The sustainability research uses a three-dimensional framework to analyze each company, focusing on what the sub-adviser views as material sustainability factors with clear links to risks and opportunities. For each company, this process analyzes (i) its products (what it does), (ii) its practices (how it does it) and (iii) its sustainable improvement (is it improving from a sustainability perspective or does it have credible plans to do so?). The outcome of this analysis is that each company proposed for investment by the sub-adviser's investment team is classified by its Responsible Investment team as either a sustainability "Leader", "Improver", "Neutral" or "Laggard" company.

• Sustainability "leaders" are companies that the Responsible Investment team believes exhibit top-quartile performance relative to global and regional peers from a combination of positive operational practices and being strategically well positioned with regard to the impact of their products or services. Activities that generate clear positive impact are viewed positively by the team.

• "Improvers" are companies in which the Responsible Investment team has identified sustainability issues that need to be addressed but where the team believes the company is taking action to address these and is showing clear signs of improvement, or has credible plans to do so.

• "Neutral" companies are those with products and practices that do not have clear positive sustainability characteristics,

but which do not also have a meaningful negative impact on the environment or society, as determined by the sub-adviser's Responsible Investment team.

• "Laggards" have, in the Responsible Investment team's view, a poor product impact and/or have unacceptably low operational standards.

A minimum of 85% of the portfolio's net assets will be invested in any combination of companies classified by the sub-adviser's Responsible Investment team as "Leaders" and "Improvers". If a company is classified as a "Laggard," it cannot be held in the portfolio. The remaining proportion of the portfolio (constituting a maximum of 15% of the portfolio's net assets) may be invested in stocks of companies that are categorized as "Neutral". The sub-adviser's Responsible Investment team may reclassify a company should its sustainability analysis of the company change. A change in classification can cause a security to be sold or render a security eligible for investment.

The sub-adviser constructs a portfolio of individual stocks, selected on a "bottom-up" basis, meaning that it selects individual securities based on their specific merits, using fundamental analysis. The portfolio will typically consist of approximately 35 to 50 stocks with individual position sizes generally ranging from 1% to 10% of the portfolio's net assets (10% maximum position weighting). Non-U.S. stocks, including American Depository Receipts (ADRs), are limited to 10% of the portfolio's net assets. Annual portfolio turnover is anticipated to normally be less than 40%.

The sub-adviser generally employs a fully invested strategy. Therefore, under normal market conditions, cash and cash equivalents will generally be less than 5% of the portfolio's net assets.

The portfolio may, but is not required to, invest in index-traded futures to equitize cash in order to gain general equity market exposure until investments are made into stocks of individual companies.

All investments by the portfolio, with the exception of cash, cash equivalents, short-term debt securities, repurchase agreements, money market instruments and index-traded futures, are subject to the sub-adviser's sustainability assessment framework.

**Principal Risks:** Risk is inherent in all investing. Many factors and risks affect the portfolio's performance, including those described below. The value of your investment in the portfolio, as well as the amount of return you receive on your investment, may fluctuate significantly day to day and over time. You may lose part or all of your investment in the portfolio or your investment may not perform as well as other similar investments. The following is a summary description of principal risks (in alphabetical order after certain key risks) of investing in the portfolio. The relative significance of the key risks below may change over time and you should review each risk factor carefully. An investment in the portfolio is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. **You may lose money if you invest in this portfolio.**

**Market** – The market prices of the portfolio's securities or other assets may go up or down, sometimes rapidly or unpredictably, due to factors such as economic events, inflation, changes

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in interest rates, governmental actions or interventions, actions taken by the U.S. Federal Reserve or foreign central banks, market disruptions caused by tariffs, trade disputes, labor strikes, supply chain disruptions or other factors, government shutdowns, political developments, civil unrest, acts of terrorism, armed conflicts, economic sanctions, countermeasures in response to sanctions, cybersecurity events, technological developments (such as artificial intelligence and machine learning), investor sentiment, the global and domestic effects of widespread or local health, weather or climate events, and other factors that may or may not be related to the issuer of the security or other asset. The market price of a security may also fall due to specific conditions that affect a particular sector of the securities market, a particular industry or a particular issuer or group of issuers. To the extent that securities of certain issuers behave or are perceived to behave similarly to each other, the market prices of those securities (or the market as a whole) may fall in response to a decline in the price of a particular security or group of securities. If the market prices of the portfolio's securities and assets fall, the value of your investment in the portfolio could go down.

Economies and financial markets throughout the world are increasingly interconnected. Events or circumstances in one or more countries or regions could be highly disruptive to, and have profound impacts on, global economies or markets. As a result, whether or not the portfolio invests in securities of issuers located in or with significant exposure to the countries directly affected, the value and liquidity of the portfolio's investments may go down.

The long-term consequences to the U.S. economy of the continued expansion of U.S. government debt and deficits are not known. Also, raising the ceiling on U.S. government debt and periodic legislation to fund the government have become increasingly politicized. Any failure to do either could lead to a default on U.S. government obligations, with unpredictable consequences for the portfolio's investments, and generally for economies and markets in the U.S. and elsewhere.

**Dividend Paying Stock** – There can be no assurance that the issuers of the stocks held by the portfolio will pay dividends in the future or that, if dividends are paid, they will not decrease. The portfolio's emphasis on dividend paying stocks could cause the portfolio's share price and total return to fluctuate more than, or cause the portfolio to underperform, similar portfolios that invest without consideration of an issuer's track record of paying dividends or ability to pay dividends in the future. Dividend-paying stocks tend to go through cycles of over- or under-performing the stock market in general.

**Sustainability Investing –** Applying sustainability criteria to the sub-adviser's investment analysis for the portfolio may impact the sub-adviser's investment decisions as to securities of certain issuers and, therefore, the portfolio may forgo some investment opportunities available to funds that do not apply sustainability investing principles or that apply different sustainability criteria. Applying sustainability criteria may impact the portfolio's exposure to risks associated with certain issuers, asset classes, industries and sectors, which may impact the portfolio's investment performance. The relevance and weightings of sustainability criteria to the sub-adviser's investment process may vary significantly across issuers, asset classes, industries and sectors. Securities of companies meeting the sub-adviser's sustainability criteria at the time of

investment may shift into and out of favor depending on market and economic conditions, and a company's sustainability practices, or the sub-adviser's assessment of such practices, may change over time. The portfolio's performance may at times be better or worse than the performance of similar funds that do not utilize sustainability investing principles or that apply different sustainability criteria. "Sustainability" is not a uniformly defined characteristic and applying sustainability criteria involves subjective assessments. There may be significant differences in views in what constitutes positive or negative sustainability characteristics of a company. The sub-adviser's sustainability assessment of a company may differ from that of other funds or investors. The portfolio's investments may include securities of issuers that derive revenue from non-sustainable activities. Sustainability ratings and assessments of issuers can vary across third party data providers, and sustainability data may be incomplete, delayed, inaccurate or unavailable, which could lead to an incorrect assessment of a company's sustainability characteristics. Data inputs may include information self-reported by companies or from third party data providers. Regulation of sustainability investing in the U.S. and abroad is evolving. Regulatory change regarding the definition and/or use of sustainability criteria could have a material adverse effect on the portfolio's ability to invest in accordance with its sustainability strategy.

**Focused Investing –** To the extent the portfolio invests a significant portion of its assets in a limited number of countries, regions, sectors, industries or market segments, in a limited number of issuers, or in issuers in related businesses or that are subject to related operating risks, the portfolio will be more susceptible to negative events affecting those countries, regions, sectors, industries, segments or issuers, and the value of its shares may be more volatile than if it invested more widely.

**Value Investing –** The prices of securities the sub-adviser believes are undervalued may not appreciate as anticipated or may go down. The value approach to investing involves the risk that stocks may remain undervalued, undervaluation may become more severe, or perceived undervaluation may actually represent intrinsic value. Value stocks as a group may be out of favor and underperform the overall equity market for a long period of time, for example, while the market favors "growth" stocks.

**Equity Securities** – Equity securities generally have greater risk of loss than debt securities. Stock markets are volatile and the value of equity securities may go up or down, sometimes rapidly and unpredictably. The market price of an equity security may fluctuate based on overall market conditions, such as real or perceived adverse economic or political conditions or trends, tariffs and trade disruptions, wars, social unrest, inflation, substantial economic downturn or recession, changes in interest rates, or adverse investor sentiment. The market price of an equity security also may fluctuate based on real or perceived factors affecting a particular industry or industries or the company itself. If the market prices of the equity securities owned by the portfolio fall, the value of your investment in the portfolio will decline. The portfolio may lose its entire investment in the equity securities of an issuer. A change in financial condition or other event affecting a single issuer may adversely impact securities markets as a whole.

**Management** – The value of your investment may go down if the investment manager's or sub-adviser's judgments and decisions are incorrect or otherwise do not produce the desired results, or

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if the investment strategy does not work as intended. You may also suffer losses if there are imperfections, errors or limitations in the quantitative, analytic or other tools, resources, information and data used, investment techniques applied, or the analyses employed or relied on, by the investment manager or sub-adviser, if such tools, resources, information or data are used incorrectly or otherwise do not work as intended, or if the investment manager's or sub-adviser's investment style is out of favor or otherwise fails to produce the desired results. Any of these things could cause the portfolio to lose value or its results to lag relevant benchmarks or other funds with similar objectives.

**Active Trading** – The portfolio may engage in active trading of its portfolio. Active trading will increase transaction costs and could detract from performance. Active trading may be more pronounced during periods of market volatility.

**Counterparty** – The portfolio could lose money if the counterparties to derivatives, repurchase agreements and/or other financial contracts entered into for the portfolio do not fulfill their contractual obligations. In addition, the portfolio may incur costs and may be hindered or delayed in enforcing its rights against a counterparty. These risks may be greater to the extent the portfolio has more contractual exposure to a counterparty.

**Credit** – If an issuer or other obligor (such as a party providing insurance or other credit enhancement) of a security held by the portfolio or a counterparty to a financial contract with the portfolio is unable or unwilling to meet its financial obligations, or is downgraded or perceived to be less creditworthy (whether by market participants, ratings agencies, pricing services or otherwise), or if the value of any underlying assets declines, the value of your investment will typically decline. A decline may be rapid and/or significant, particularly in certain market environments. In addition, the portfolio may incur costs and may be hindered or delayed in enforcing its rights against an issuer, obligor or counterparty.

**Currency** – The value of a portfolio's investments in securities denominated in foreign currencies increases or decreases as the rates of exchange between those currencies and the U.S. dollar change. U.S. dollar-denominated securities of foreign issuers may also be affected by currency risk. Currency exchange rates can be volatile and may fluctuate significantly over short periods of time. Currency conversion costs and currency fluctuations could reduce or eliminate investment gains or add to investment losses. A portfolio may be unable or may choose not to hedge its foreign currency exposure or any hedge may not be effective.

**Cybersecurity** – Cybersecurity incidents, both intentional and unintentional, may allow an unauthorized party to gain access to portfolio assets, portfolio or shareholder data (including private shareholder information), or proprietary information, cause the portfolio or its service providers (including, but not limited to, the portfolio's investment manager, any sub-adviser(s), transfer agent, distributor, custodian, fund accounting agent and financial intermediaries) to suffer data breaches, data corruption or loss of operational functionality, or prevent portfolio investors from purchasing, redeeming or exchanging shares, receiving distributions or receiving timely information regarding the portfolio or their investment in the portfolio. Cybersecurity incidents may render records of portfolio assets and transactions, shareholder ownership of portfolio shares, and other data integral to the functioning of the portfolio inaccessible, inaccurate or incomplete. The use of artificial intelligence

and machine learning could exacerbate these risks. Cybersecurity incidents may result in financial losses to the portfolio and its shareholders, and substantial costs may be incurred in order to prevent or mitigate any future cybersecurity incidents.

**Depositary Receipts** – Depositary receipts are generally subject to the same risks as are the foreign securities that they evidence or into which they may be converted, and they may be less liquid than the underlying shares in their primary trading market. In addition, depositary receipts expose the portfolio to risk associated with the non-uniform terms that apply to depositary receipt programs, credit exposure to the depositary bank and to the sponsors and other parties with whom the depositary bank establishes the programs. Holders of depositary receipts may have limited voting rights, and investment restrictions in certain countries may adversely impact the value of depositary receipts because such restrictions may limit the ability to convert equity shares into depositary receipts and vice versa.

**Derivatives** – The use of derivatives involves a variety of risks, which may be different from, or greater than, the risks associated with investing in traditional securities, such as stocks and bonds. Risks of derivatives include leverage risk, liquidity risk, interest rate risk, valuation risk, market risk, counterparty risk and credit risk. Use of derivatives can increase portfolio losses, increase costs, reduce opportunities for gains, increase portfolio volatility, and not produce the result intended. Certain derivatives have the potential for unlimited loss, regardless of the size of the initial investment. Even a small investment in derivatives can have a disproportionate impact on the portfolio. Derivatives may be difficult or impossible to sell, unwind or value, and the counterparty (including, if applicable, the portfolio's clearing broker, the derivatives exchange or the clearinghouse) may default on its obligations to the portfolio. In certain cases, the portfolio may incur costs and may be hindered or delayed in enforcing its rights against or closing out derivatives instruments with a counterparty, which may result in additional losses. Derivatives are also generally subject to the risks applicable to the assets, rates, indices or other indicators underlying the derivative, including market risk, credit risk, liquidity risk, management risk and valuation risk. Also, suitable derivative transactions may not be available in all circumstances or at reasonable prices. The value of a derivative may fluctuate more or less than, or otherwise not correlate well with, the underlying assets, rates, indices or other indicators to which it relates. Using derivatives also subjects the portfolio to certain operational and legal risks. The portfolio may segregate cash or other liquid assets to cover the funding of its obligations under derivatives contracts or make margin payments when it takes positions in derivatives involving obligations to third parties. Rule 18f-4 under the 1940 Act provides a comprehensive regulatory framework for the use of derivatives by funds and imposes requirements and restrictions on portfolios using derivatives. Rule 18f-4 could have an adverse impact on the portfolio's performance and its ability to implement its investment strategies and may increase costs related to the portfolio's use of derivatives. The rule may affect the availability, liquidity or performance of derivatives, and may not effectively limit the risk of loss from derivatives.

**Foreign Investments** – Investing in securities of foreign issuers or issuers with significant exposure to foreign markets involves additional risks. Foreign markets can be less liquid, less regulated, less transparent and more volatile than U.S. markets. The value of

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the portfolio's foreign investments may decline, sometimes rapidly or unpredictably, because of factors affecting the particular issuer as well as foreign markets and issuers generally, such as unfavorable government actions, including nationalization, expropriation or confiscatory taxation, reduction of government or central bank support, tariffs and trade disruptions, sanctions, political or financial instability, social unrest or other adverse economic or political developments. Foreign investments may also be subject to different accounting practices and different regulatory, legal, auditing, financial reporting and recordkeeping standards and practices, and may be more difficult to value than investments in U.S. issuers. Certain foreign clearance and settlement procedures may result in an inability to execute transactions or delays in settlement.

**Large Capitalization Companies –** The portfolio's investments in larger, more established companies may underperform other segments of the market because they may be less responsive to competitive challenges and opportunities and unable to attain high growth rates during periods of economic expansion.

**Large Shareholder –** A significant portion of the portfolio's shares may be owned by one or more investment vehicles or institutional investors. Transactions by these large shareholders may be disruptive to the management of the portfolio. For example, the portfolio may experience large redemptions and could be required to sell securities at a time when it may not otherwise desire to do so. Such transactions may increase the portfolio's brokerage and/or other transaction costs. In addition, sizeable redemptions could cause the portfolio's total expenses to increase.

**Leveraging** – To the extent that the portfolio borrows or uses derivatives or other investments, such as ETFs, that have embedded leverage, your investment may be subject to heightened volatility, risk of loss and costs. Other risks also will be compounded because leverage generally magnifies the effect of a change in the value of an asset and creates a risk of loss of value on a larger pool of assets than the portfolio would otherwise have. Use of leverage may result in the loss of a substantial amount, and possibly all, of the portfolio's assets. The portfolio also may have to sell assets at inopportune times to satisfy its obligations.

**Liquidity** – The portfolio may make investments that are illiquid or that become illiquid after purchase. Illiquid investments can be difficult to value, may trade at a discount from comparable, more liquid investments, and may be subject to wide fluctuations in value. Liquidity risk may be magnified in rising interest rate or volatile environments. If the portfolio is forced to sell an illiquid investment to meet redemption requests or other cash needs, the portfolio may be forced to sell at a substantial loss or may not be able to sell at all. Liquidity of particular investments, or even entire asset classes, including U.S. Treasury securities, can deteriorate rapidly, particularly during times of market turmoil, and those investments may be difficult or impossible for the portfolio to sell. This may prevent the portfolio from limiting losses.

**Medium Capitalization Companies** – The portfolio will be exposed to additional risks as a result of its investments in the securities of medium capitalization companies. Investing in medium capitalization companies involves greater risk than is customarily associated with more established companies. The prices of securities of medium capitalization companies generally are more volatile and are more likely to be adversely affected by changes in earnings results and investor expectations or poor economic or

market conditions, including those experienced during a recession, have more limited product lines, operating histories, markets or capital resources, may be dependent upon a limited management group, experience sharper swings in market values, or have limited liquidity. Securities of medium capitalization companies may underperform larger capitalization companies, may be harder to sell at times and at prices the portfolio managers believe appropriate and may offer greater potential for losses.

**Sector Focus –** To the extent the portfolio invests more heavily in a particular market sector, the value of the portfolio's shares will be especially sensitive to developments that significantly affect that sector and there is increased risk that the portfolio will lose significant value if conditions adversely affect that sector. Individual sectors may be more volatile, and may perform differently, from the broader market.

**Sustainability Data** – Sustainability information from third-party data providers may be incomplete, inaccurate, delayed or unavailable. There are not currently universally accepted sustainability standards or standardized practices for researching, generating, or analyzing sustainability data, classifications, screens, and ratings ("Sustainability Data"). The factors and criteria considered when generating Sustainability Data and the results of such sustainability research may differ widely across third-party Sustainability Data providers. The evaluation of sustainability factors and criteria is often subjective, is often evolving and subject to ongoing refinement, and the third-party Sustainability Data providers used by the portfolio may not identify or evaluate every relevant sustainability factor and/or criteria with respect to every investment. Due to differences in various countries' corporate disclosure and financial statement reporting obligations and availability, as well as timeliness of any such available information, a third-party Sustainability Data provider may not always be successful in identifying material sustainability information about a particular company. The portfolio may invest in companies that do not reflect the beliefs or values of a particular investor and may not be deemed to exhibit the intended sustainability characteristics if different metrics or Sustainability Data providers were used to evaluate them. Because sustainability considerations are still an emerging area of investment focus, sustainability information and metrics can be difficult to obtain or not able to be obtained. The evaluation of sustainability factors and implementation of sustainability-related investment restrictions (e.g., screens) rely on the availability of timely, complete, and accurate Sustainability Data reported by issuers and/or third-party research providers. Sustainability Data provided by third-party providers may be based on backward-looking analysis and data and may be subject to change in the future. The successful implementation of the portfolio's strategy is therefore dependent, in part, on the sustainability factors identified and considered and research methodologies employed by applicable third-party Sustainability Data providers, as well as the timely availability of accurate information. Due to the specialized resources necessary to obtain sustainability-related information underlying or related to the Sustainability Data provided by applicable third-party sustainability research firms, the sub-adviser does not independently test or verify the data provided by such firms.

**Valuation** – Certain investments may be more difficult to value than other types of investments. The sales price the portfolio could receive for any particular portfolio investment may differ

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from the portfolio's valuation of the investment, particularly for securities that trade in thin or volatile markets, that are priced based upon valuations provided by third party pricing services, or that are valued using a fair value methodology. These differences may increase significantly and affect portfolio investments more broadly during periods of market volatility. Investors who purchase or redeem portfolio shares on days when the portfolio is holding fair-valued securities may receive fewer or more shares or lower or higher redemption proceeds than they would have received if the portfolio had not fair-valued securities or had used a different valuation methodology. The portfolio's ability to value its investments may also be impacted by technological issues and/or errors by pricing services or other third party service providers. Fair value pricing involves subjective judgment, which may prove to be incorrect.

**Performance:** The bar chart and the table below provide some indication of the risks of investing in the portfolio. The bar chart shows how the portfolio's performance has varied from year to year. The first index in the table shows how the portfolio's average annual total returns for different periods compare to the returns of a broad measure of market performance. One or more secondary indices that the manager believes more closely reflect the market sectors and/or types of investments in which the portfolio invests also are used to measure the portfolio's performance.

The performance calculations do not reflect any charges that are, or may be, imposed under your variable life insurance policy or variable annuity contract. If such charges were reflected, performance would be lower.

Absent any applicable fee waivers and/or expense limitations, performance would be lower.

As with all mutual funds, past performance is not a prediction of future results. Updated performance information is available on our website at www.transamerica.com/annuities-performance-center or by calling 1-800-851-9777.

Prior to December 1, 2020, the portfolio was named Transamerica Barrow Hanley Dividend Focused VP, had a different sub-adviser and used different investment strategies. The performance set forth prior to that date is attributable to the previous sub-adviser and the investment strategies then in effect.

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**Annual Total Returns (calendar years ended December 31) - Initial Class**

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| | | |
|:---|:---|:---|
|  | **Quarter Ended** | **Return** |
| Best Quarter: | 12/31/2020 | 15.41% |
| Worst Quarter: | 3/31/2020 | -29.69% |

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**Average Annual Total Returns (periods ended December 31, 2025)** 

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| | | | | |
|:---|:---|:---|:---|:---|
|  | **1 Year** | **5 Years** | **10 Years** | **Inception**<br> **Date**<br>|
| Initial Class  | 11.26% | &nbsp;&nbsp; 8.39% | &nbsp;&nbsp; 7.35% | 5/1/1996 |
| Service Class  | 10.99% | &nbsp;&nbsp; 8.11% | &nbsp;&nbsp; 7.08% | 5/1/2003 |
| Russell 3000<sup>®</sup> Index<sup>1</sup> (reflects no <br> deduction for fees, expenses or taxes)<br>| 17.15% | 13.15% | 14.29% |  |
| Russell 1000<sup>®</sup> Value Index (reflects <br> no deduction for fees, expenses or <br> taxes)<br>| 15.91% | 11.33% | 10.53% |  |

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<sup>1</sup> "Russell<sup>®</sup>" and other service marks and trademarks related to the Russell indexes are trademarks of the London Stock Exchange Group companies.

**Management:** 

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| | | |
|:---|:---|:---|
| *Investment Manager:* Transamerica Asset Management, Inc.<br> *Sub-Adviser:* Aegon Asset Management UK plc<br> *Portfolio Managers:* | *Investment Manager:* Transamerica Asset Management, Inc.<br> *Sub-Adviser:* Aegon Asset Management UK plc<br> *Portfolio Managers:* | *Investment Manager:* Transamerica Asset Management, Inc.<br> *Sub-Adviser:* Aegon Asset Management UK plc<br> *Portfolio Managers:* |
| Mark Peden, CFA | Portfolio Manager | since December 2020 |
| Robin Black | Portfolio Manager | since December 2020 |

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**Purchase and Sale of Portfolio Shares:** Shares of the portfolio may only be purchased or redeemed through variable life insurance policies and variable annuity contracts offered by the separate accounts of participating life insurance companies. Please refer to the corresponding prospectus of the policy or annuity contract that you have chosen for more information about the terms of the offering. Shares of the portfolio may also be sold to the asset allocation portfolios and to other funds of funds.

The portfolio does not have any initial or subsequent investment minimums. However, your insurance company may impose investment minimums.

The portfolio will not be charged and does not intend to pay any 12b-1 fees on Initial Class shares through May 1, 2027. The maximum 12b-1 fee on Initial Class shares is 0.15%. The portfolio reserves the right to pay such fees after that date.

**Tax Information:** Distributions made by the portfolio to an insurance company separate account, and exchanges and redemptions of portfolio shares made by the separate account, ordinarily do not cause the owners of insurance policies and annuity contracts invested in the separate account to recognize income or gain for federal income tax purposes. Please refer to the corresponding prospectus of the policy or annuity contract that you have chosen for more information regarding the tax consequences of your investment.

**Payments to Broker-Dealers and Other Financial Intermediaries:** The portfolio is generally only available as an underlying investment option for separate accounts of Transamerica life insurance companies to fund benefits under variable life insurance policies and variable annuity contracts. The portfolio and/or its affiliates may make payments to a Transamerica insurance company (or its affiliates) and to broker-dealers and other financial intermediaries for the sale of variable contracts (and thus, indirectly, the portfolio's shares) and related services. These payments may create a conflict of interest by influencing the Transamerica insurance company or other intermediary to recommend the variable contracts that invest in the portfolio. Ask your salesperson or visit your financial intermediary's website for more information.

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SPST0526ASEI

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