Filed under Rule 497(e)
Registration No. 33-52742
SunAmerica Series Trust
SA JPMorgan Large Cap Core Portfolio
(the “Portfolio”)
Supplement dated September 22, 2026
to the Portfolio’s Statement of Additional Information (“SAI”)
dated May 1, 2026, as supplemented and amended to date
Effective September 1, 2026, in the table under the section entitled “PORTFOLIO MANAGERS – Other Accounts,” in the subsection pertaining to J.P. Morgan Investment Management Inc. (JPMorgan), the information pertaining to Shilpee Raina is deleted and replaced with the following information for David Maccarrone:
|
Adviser/ Subadviser |
Portfolio Managers |
Other Accounts (As of August 31, 2026) | ||||||||||||
| Registered Investment Companies | Pooled Investment Vehicles | Other Accounts | ||||||||||||
| No. of Accounts | Assets (in millions) | No. of Accounts | Total Assets (in millions) |
No. of Accounts |
Total Assets (in millions) | |||||||||
| JPMorgan | David Maccarrone |
0 | $0 | 0 | $0 | 0 | $0 | |||||||
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-SUP7 (9/26)