Filed under Rule 497(e)
Registration No. 33-52742
SunAmerica Series Trust
SA Global Index Allocation 60/40 Portfolio
SA Global Index Allocation 75/25 Portfolio
SA Global Index Allocation 90/10 Portfolio
SA Index Allocation 60/40 Portfolio
SA Index Allocation 80/20 Portfolio
SA Index Allocation 90/10 Portfolio
SA VCP Dynamic Allocation Portfolio
SA VCP Dynamic Strategy Portfolio
SA VCP Index Allocation Portfolio
(the “Portfolios”)
Supplement dated June 24, 2026
to the Portfolios’ Statement of Additional Information (“SAI”)
dated May 1, 2026, as supplemented and amended to date
Effective July 1, 2026, in the table under the section entitled “PORTFOLIO MANAGERS – Other Accounts,” in the section pertaining to SunAmerica Asset Management, LLC (“SunAmerica”), the information pertaining to Andrew Sheridan is hereby deleted and replaced with the following:
| Adviser/ Subadviser |
Portfolio Managers |
Other Accounts (As of January 31, 2026) | ||||||||||||
|
Registered Investment Companies |
Pooled Investment Vehicles |
Other Accounts | ||||||||||||
| No. of Acc oun ts |
Assets (in millions) |
No. of Accounts |
Total Assets (in |
No. of unts |
Total Assets (in millions) | |||||||||
|
SunAmerica |
Singh, Manisha |
4 | $1,656,672 | -- | -- | -- | -- | |||||||
| Wu, Robert |
4 | $1,656,672 | -- | -- | -- | -- | ||||||||
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-SUP5.1 (6/26)