# EDGAR Filing Document

**Accession Number:** 0001068851
**File Stem:** 9999999995-26-001270
**Filing Date:** 2026-4
**Character Count:** 1267
**Document Hash:** a7822d6c25749b6ccdc4b9870c997157
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-26-001270.hdr.sgml**: 20260422

**ACCESSION NUMBER**: 9999999995-26-001270

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260421

**DATE AS OF CHANGE**: 20260422

**EFFECTIVENESS DATE**: 20260421

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PROSPERITY BANCSHARES INC
- **CENTRAL INDEX KEY:** 0001068851
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 742331986
- **STATE OF INCORPORATION:** TX
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-294882
- **FILM NUMBER:** 26881154

**BUSINESS ADDRESS:**
- **STREET 1:** 4295 SAN FELIPE
- **STREET 2:** N/A
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77027
- **BUSINESS PHONE:** 7136939300

**MAIL ADDRESS:**
- **STREET 1:** 4295 SAN FELIPE
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77027

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** April 21, 2026

**Time:** 16:00:00

**Form Type:** S-4

---

**CIK:** 0001068851

**Company Name:** PROSPERITY BANCSHARES INC

**File Number:** 333-294882