As of
December 31, 2026 (the Effective Date), Cheryl I. Smith, Ph.D., CFA, will no longer serve as a portfolio manager of the fund. As of the Effective Date, Kathleen Bochman, CFA,
and Mitali Prasad, CFA, will continue to serve as portfolio managers of the fund and will be jointly and primarily responsible for the day-to-day management of the
fund’s portfolio. Accordingly, as of the Effective Date, all references to Ms. Smith will be removed from the Prospectus.