[EFFECT] PROSPERITY BANCSHARES INC SEC Filing Filing Impact (Neutral) Filing Sentiment (Neutral) Form Type EFFECT 04/22/2026 - 12:15 AM ⛶ Fullscreen UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Notice of Effectiveness Effectiveness Date: April 21, 2026 4:00 P.M. Form: S-4 CIK: 0001068851 Company Name: PROSPERITY BANCSHARES INC File Number: 333-294882 Source: View Original Filing on SEC EDGAR