Transamerica AEGON High Yield Bond VP Updates Prospectus

Transamerica Series Trust 497K Filing Summary
Field	Detail
Company	Transamerica Series Trust
Form Type	497K
Filed Date	Mar 24, 2026
Risk Level	high
Pages	2
Reading Time	2 min
Key Dollar Amounts	$844 million, $345 million, $935 million, $0, $99 million
Sentiment	neutral

Complexity: simple

Sentiment: neutral

Topics: prospectus-update, fund-management, high-yield-bonds

TL;DR

**Transamerica's high-yield bond fund just updated its prospectus; check it for current risks and fees.**

AI Summary

Transamerica Series Trust filed a 497K on March 24, 2026, for its Transamerica AEGON High Yield Bond VP fund, specifically for its Initial Class and Service Class contracts. This filing updates the summary prospectus for this high-yield bond fund, which is important for investors to understand the fund's current objectives, risks, and expenses. Investors should review this to ensure the fund still aligns with their investment goals, especially given the inherent risks of high-yield bonds.

Why It Matters

This filing provides updated information on the Transamerica AEGON High Yield Bond VP fund, which is crucial for current and prospective investors to understand the fund's current investment strategy and risks.

Risk Assessment

Risk Level: high — High-yield bond funds inherently carry higher risk due to investing in lower-rated debt, making them more susceptible to default and interest rate fluctuations.

Analyst Insight

Investors in Transamerica AEGON High Yield Bond VP should review the updated summary prospectus to understand any changes in investment objectives, strategies, risks, or fees, ensuring the fund still aligns with their financial goals.

Key Numbers

0000778207 — CIK (Central Index Key for Transamerica Series Trust)
033-00507 — File No. (SEC file number for the registration statement)
2026-03-24 — Filing Date (Date the 497K was filed and became effective)

Key Players & Entities

Transamerica Series Trust (company) — Filer of the 497K
Transamerica AEGON High Yield Bond VP (company) — Fund whose prospectus was updated
0000778207 (company) — CIK of Transamerica Series Trust
March 24, 2026 (date) — Filing and effectiveness date of the 497K

FAQ

What is the purpose of this 497K filing by Transamerica Series Trust?

The 497K filing is a Summary Prospectus for certain open-end management investment companies, specifically updating the prospectus for the Transamerica AEGON High Yield Bond VP fund, filed pursuant to Securities Act Rule 497(K).

Which specific fund and classes are mentioned in this filing?

The filing specifically mentions the Transamerica AEGON High Yield Bond VP fund (Series S000007909) and its Initial Class/Contract (C000021464) and Service Class/Contract (C000021463).

When was this 497K filing submitted and made effective?

The 497K filing was submitted and became effective on March 24, 2026, as indicated by the 'Filing Date' and 'Effectiveness Date' in the document.

What is the CIK number for the Filer, Transamerica Series Trust?

The CIK number for Transamerica Series Trust is 0000778207, as stated in the 'Series and Classes/Contracts Information' section.

Where is the mailing and business address for Transamerica Series Trust?

Both the mailing and business address for Transamerica Series Trust are 1801 CALIFORNIA STREET SUITE 5200 DENVER CO 80202, according to the filing.

Filing Stats: 603 words · 2 min read · ~2 pages · Grade level 14.4 · Accepted 2026-03-24 14:28:32

Key Financial Figures

$844 million — ets Managed Kevin Bakker, CFA* 1 $844 million 2 $345 million 6 $935 million
$345 million — n Bakker, CFA* 1 $844 million 2 $345 million 6 $935 million Benjamin D. Miller
$935 million — $844 million 2 $345 million 6 $935 million Benjamin D. Miller, CFA* 1 $844 m
$0 — 6 $935 million Andrew Maslan* 0 $0 0 $0 1 $99 million James K. S
$99 million — Andrew Maslan* 0 $0 0 $0 1 $99 million James K. Schaeffer, Jr.* 1 $844 m
$1.1 billion — $844 million 2 $345 million 9 $1.1 billion Fee Based Accounts (The number of acc
$527 million — in Bakker, CFA* 0 $0 0 $0 2 $527 million Benjamin D. Miller, CFA* 0 $0 0
$490 million — Schaeffer, Jr.* 0 $0 0 $0 1 $490 million * As of December 31, 2025 Effective

Filing Documents

From the Filing

497K TRANSAMERICA SERIES TRUST Supplement to the Currently Effective Prospectus, Summary Prospectus and Statement of Additional Information Transamerica Aegon High Yield Bond VP * * * Effective April 1, 2026, Andrew Maslan will be added as a portfolio manager of the portfolio. Effective on or about April 28, 2026, Benjamin D. Miller, CFA, will no longer serve as a portfolio manager of the portfolio. * * * Effective April 1, 2026, the following will replace the corresponding information for the portfolio in the "Management" section of the Prospectus and Summary Prospectus: Management: Investment Manager: Transamerica Asset Management, Inc. Sub-Adviser: Aegon USA Investment Management, LLC Portfolio Managers: Kevin Bakker, CFA Portfolio Manager since November 2009 Benjamin D. Miller, CFA 1 Portfolio Manager since November 2009 Andrew Maslan Portfolio Manager since April 2026 James K. Schaeffer, Jr. Portfolio Manager since March 2011 1 Effective April 28, 2026, Mr. Miller will no longer serve as a Portfolio Manager of the portfolio. Effective April 1, 2026, the following will replace the corresponding information for the portfolio in the "Shareholder Information – Portfolio Manager(s)" section of the Prospectus: Name Sub-Adviser Positions Over Past Five Years Kevin Bakker, CFA Aegon USA Investment Management, LLC Portfolio Manager of the portfolio since 2009; Employee with Aegon USA Investment Management, LLC since 2003, initially as a research analyst and became a portfolio manager in 2007; Head of U.S. High Yield Benjamin D. Miller, CFA* Aegon USA Investment Management, LLC Portfolio Manager of the portfolio since 2009; Employee with Aegon USA Investment Management, LLC since 1993, initially as a research analyst and became a portfolio manager in 2006 Andrew Maslan Aegon USA Investment Management, LLC Portfolio Manager of the fund since 2026; Employee with Aegon USA Investment Management, LLC since 2024; Currently a portfolio manager and research team leader on the Distressed Credit team; Director, M&G Investments from 2020 to 2024; previously employed at Aegon USA Investment Management, LLC from 2015 to 2020 James K. Schaeffer, Jr. Aegon USA Investment Management, LLC Portfolio Manager of the portfolio since 2011; Employee with Aegon USA Investment Management, LLC since 2004 and held various investment management roles; Currently Head of US Leveraged Finance and Global CLOs * Effective April 28, 2026, Mr. Miller will no longer serve as a Portfolio Manager of the portfolio. * * * Effective April 1, 2026, the following will replace the corresponding information for the portfolio in the "Portfolio Managers - Aegon USA Investment Management, LLC ("AUIM")" section of Appendix B of the Statement of Additional Information: Transamerica Aegon High Yield Bond VP Portfolio Manager Registered Investment Companies Other Pooled Investment Vehicles Other Accounts Number Assets Managed Number Assets Managed Number Assets Managed Kevin Bakker, CFA* 1 $844 million 2 $345 million 6 $935 million Benjamin D. Miller, CFA* 1 $844 million 2 $345 million 6 $935 million Andrew Maslan* 0 $0 0 $0 1 $99 million James K. Schaeffer, Jr.* 1 $844 million 2 $345 million 9 $1.1 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.) Kevin Bakker, CFA* 0 $0 0 $0 2 $527 million Benjamin D. Miller, CFA* 0 $0 0 $0 2 $527 million Andrew Maslan* 0 $0 0 $0 0 $0 James K. Schaeffer, Jr.* 0 $0 0 $0 1 $490 million * As of December 31, 2025 Effective April 28, 2026, Mr. Miller will no longer serve as a Portfolio Manager of the portfolio. * * * Investors Should Retain this Supplement for Future Reference March 24, 2026

View Full Filing

View this 497K filing on SEC EDGAR