# EDGAR Filing Document

**Accession Number:** 0000892538
**File Stem:** 0001193125-25-134661
**Filing Date:** 2025-6
**Character Count:** 3156
**Document Hash:** 2c97ff50c4daabec0b465c61ee88f74c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-134661.hdr.sgml**: 20250604

**ACCESSION NUMBER**: 0001193125-25-134661

**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:** 251022424

**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 Rule 497(e)<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 Statement of Additional Information ("SAI")

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

Effective immediately, in the table under the section entitled "**PORTFOLIO MANAGERS – Other Accounts**," in the section pertaining to J.P. Morgan Investment Management Inc. ("JP Morgan"), Daniel Bloomgarden's information is hereby deleted and the following is added:

---

| | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|
| &nbsp;&nbsp;&nbsp; Adviser/<br> Subadvisers | Portfolio<br>Managers | **Other Accounts**<br> (As of 03/31/2025) | **Other Accounts**<br> (As of 03/31/2025) | **Other Accounts**<br> (As of 03/31/2025) | **Other Accounts**<br> (As of 03/31/2025) | **Other Accounts**<br> (As of 03/31/2025) | **Other Accounts**<br> (As of 03/31/2025) |
| &nbsp;&nbsp;&nbsp; Adviser/<br> Subadvisers | Portfolio<br>Managers | Registered Investment<br>Companies | Registered Investment<br>Companies | Pooled Investment<br>Vehicles | Pooled Investment<br>Vehicles | Other Accounts | Other Accounts |
| &nbsp;&nbsp;&nbsp; Adviser/<br> Subadvisers | Portfolio<br>Managers | No. of<br>Accounts | Assets<br>(in millions) | No. of<br>Accounts | Total Assets<br> (in millions) | No. of<br>Accounts | Total Assets<br>(in millions) |
| &nbsp;&nbsp;&nbsp; JP Morgan | Stein, Michael | 1 | $3074 | 3 | $579 |  |  |

---

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

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

SASTSAI-SUP1.4 (6/25)