WSFS金融美股招股说明书(2025-12-09版)

Subject to Completion, dated December 9, 2025. Preliminary Prospectus Supplement(To Prospectus dated June 23, 2023) WSFS Financial Corporation% Fixed-to-Floating Rate Senior Unsecured Notes due 2035 We are offering $aggregate principal amount of our% Fixed-to-Floating Rate Senior Unsecured Notes due 2035, whichwe refer to as the “Notes.” The Notes will mature on, 2035. The Notes will bear interest (i) from and including,,2025 to but excluding,, 2030 at a fixed rate of% per annum, payable semi-annually in arrears onand of each year, commencing on, 2026, and (ii)from and including, 2030 to, but excluding, thematurity date (unless redeemed prior to such date), the Notes will bear interest at a floating rate per annum equal to the Benchmark(which is expected to be Three-Month Term SOFR (as defined herein)) (each subject to the provisions described under “Description ofthe Notes — Interest” in this prospectus supplement), plusbasis points, payable quarterly in arrears on,,andof each year, commencing on, 2031. Notwithstanding the foregoing, if the Benchmark is less than zero, the Benchmark shall be deemed to be zero. Currently, there is no public trading market for the Notes. The Notes will not belisted on any securities exchange or included in any automated dealer quotation system. We may redeem the Notes, at our option, beginning on, 2030, and on any scheduled interest payment date thereafter, inwhole or in part, at a redemption price equal to 100% of the principal amount of the Notes to be redeemed, plus accrued and unpaidinterest to, but excluding, the date of redemption. Any partial redemption will be made pro rata among all of the holders of the Notes. The Notes will be senior unsecured obligations of ours and will rank equally with all our existing and future senior unsecuredindebtedness, senior in right of payment to any of our existing or future obligations that are by their terms expressly subordinated orjunior in right of payment to the Notes, and will be effectively subordinated to the indebtedness and other liabilities of our subsidiaries.The Notes will be obligations of WSFS Financial Corporation only and will not be obligations of, and will not be guaranteed by, anyof our subsidiaries. (1)Plus accrued interest, if any, from, 2025, if settlement occurs after that date.(2)The underwriters will also be reimbursed for certain expenses incurred in this offering. See “Underwriting” for details. Investing in the Notes involves risks. See the section of this prospectus supplement entitled “Risk Factors” beginning onpageS-6 and under the heading “Part I. Item 1A. Risk Factors” in our Annual Report on Form10-K for the fiscal year endedDecember 31, 2024, which is incorporated herein by reference. None of the United States Securities and Exchange Commission, any state securities commission, the Federal DepositInsurance Corporation (the “FDIC”), the Board of Governors of the Federal Reserve System, the Office of the Comptroller ofthe Currency or any other regulatory body has approved or disapproved of these securities or determined if this prospectus isaccurate or complete. Any representation to the contrary is a criminal offense. The Notes will not be savings accounts, deposits or other obligations of our bank or non-bank subsidiaries and will not beinsured or guaranteed by the FDIC or any other governmental agency or instrumentality. The underwriters expect to deliver the Notes in book-entry form only through the facilities of The Depository Trust Company(“DTC”) and its participants (including through its indirect participants Euroclear Bank S.A./N.V., as operator of the Euroclear System(“Euroclear”) and Clearstream Banking, a société anonyme (“Clearstream”)) on or about December, 2025, against paymenttherefor in immediately available funds, which such date is thebusiness day following the date of pricing of the Notes (suchsettlement being referred to as “T+). See the section of this prospectus supplement entitled “Underwriting” for details. Joint Book-Running Managers Piper Sandler The date of this prospectus supplement is December, 2025. TABLE OF CONTENTS Prospectus Supplement ABOUT THIS PROSPECTUS SUPPLEMENTINCORPORATION OF CERTAIN INFORMATION BY REFERENCESPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTSSUMMARYTHE OFFERINGRISK FACTORSUSE OF PROCEEDSCAPITALIZATIONDESCRIPTION OF THE NOTESU.S. FEDERAL INCOME TAX CONSIDERATIONSCERTAIN ERISA CONSIDERATIONSUNDERWRITINGLEGAL MATTERSEXPERTSWHERE YOU CAN FIND MORE INFORMATION Prospectus ABOUT THIS PROSPECTUSWHERE YOU CAN FIND MORE INFORMATIONFORWARD-LOOKING STATEMENTSTHE COMPANYRISK FACTORSUSE OF PROCEEDSLEGAL MATTERSEXPERTS ABOUT THIS PROSPECTUS SUPPLEMENT This document consists of two parts. The first part is this prospectus supplement, which describes the specific terms of this offering,the Notes and certain other matters relating to us and our financial condition. This prospectus supplement also adds to and updatesinformation contained in