# EDGAR Filing Document

**Accession Number:** 0000892538
**File Stem:** 0001193125-25-134659
**Filing Date:** 2025-6
**Character Count:** 4016
**Document Hash:** 894d54fcfebd16a5d217a6c37d3b27c6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-134659.hdr.sgml**: 20250604

**ACCESSION NUMBER**: 0001193125-25-134659

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250604

**DATE AS OF CHANGE**: 20250604

**EFFECTIVENESS DATE**: 20250604

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SUNAMERICA SERIES TRUST
- **CENTRAL INDEX KEY:** 0000892538

**ORGANIZATION NAME:**
- **EIN:** 137002445
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0131

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-52742
- **FILM NUMBER:** 251022415

**BUSINESS ADDRESS:**
- **STREET 1:** 21650 OXNARD STREET, 10TH FLOOR
- **CITY:** WOODLAND HILLS
- **STATE:** CA
- **ZIP:** 91367
- **BUSINESS PHONE:** 551-235-3560

**MAIL ADDRESS:**
- **STREET 1:** 30 HUDSON STREET
- **STREET 2:** 16TH FLOOR
- **CITY:** JERSEY CITY
- **STATE:** NJ
- **ZIP:** 07302

## Series and Classes Contracts Data

### SA JPMorgan Mid-Cap Growth Portfolio (Series ID: S000008089)

---

|  |  |
|:---|:---|
| Class Name | Class ID   |
| Class 1    | C000021992 |
| Class 2    | C000021993 |
| Class 3    | C000021994 |

---

## Series and Classes Contracts Data

### SA JPMorgan Mid-Cap Growth Portfolio (Series ID: S000008089)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000021992 | Class 1      |  |
| C000021993 | Class 2      |  |
| C000021994 | Class 3      |  |

**Filed under Rules 497(e) and 497(k) <br>Registration No. 33-52742** 

**SunAmerica Series Trust** 

SA JPMorgan Mid-Cap Growth Portfolio

(the "Portfolio")

Supplement dated June 4, 2025

to the Portfolio's Summary Prospectus and Prospectus,

each dated May 1, 2025, as supplemented and amended to date

Effective immediately, in the section of the Summary Prospectus entitled "**Investment Adviser**" and in the section of the Prospectus entitled "**Portfolio Summary: SA JPMorgan Mid-Cap Growth Portfolio – Investment Adviser**," in the table under the heading "Portfolio Managers" references to Daniel Bloomgarden are deleted and replaced with the following:

---

| | |
|:---|:---|
| **Name and Title** | **Portfolio Manager of the Portfolio**<br> **Since** |
|  Michael Stein<br>Managing Director and Portfolio Manager | June 2025 |

---

In the section of the Prospectus entitled "**Management**," under the heading "**Information about the Subadvisers**," the seventh paragraph under "**J.P Morgan Investment Management Inc. (JPMorgan)**" is deleted in its entirety and replaced with the following:

The *SA JPMorgan Mid-Cap Growth Portfolio* is managed by Felise L. Agranoff, Managing Director of JPMorgan and a CFA charterholder, and Michael Stein, Managing Director of JPMorgan and a CFA charterholder. Ms. Agranoff and Mr. Stein are co-portfolio managers and share authority in the day-to-day management of the Portfolio. Ms. Agranoff, managing director, is a senior member of the U.S. Equity Growth portfolio management team. An employee since 2004, Ms. Agranoff has been a portfolio manager since 2015 and a research analyst in JPMorgan's U.S. Equity Group since 2004. She obtained a B.S. in Finance and Accounting from the McIntire School of Commerce at the University of Virginia. She is a member of the CFA Institute. An employee since 2014, Mr. Stein leads industrials & energy sector coverage for the JPMorgan Mid Cap Growth and Small Cap Growth Strategies and has been a co-portfolio manager for the Small Cap Growth Strategy since 2023. Prior to joining JPMorgan, Mr. Stein worked at Barclays and Morgan Stanley, covering electrical equipment and industrial conglomerates. Mr. Stein obtained a B.S. in Finance from the Wharton School, a B.S.E. in Mechanical Engineering from the University of Pennsylvania School of Engineering and Applied Sciences.

Capitalized terms used but not defined herein shall have the meanings assigned to them by the Prospectus.

**PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE.** 

SCSP-8670-JMG1.4 (6/25)