---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-016280"
form_type: "8-K"
ticker: "PB"
cik: "0001068851"
company_name: "PROSPERITY BANCSHARES INC"
filed_at: "2023-05-01T23:59:59+00:00"
generated_at: "2026-06-16T04:35:51.807856+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Prosperity Bancshares completes merger with First Bancshares of Texas for 3.58M shares + $91.5M cash

## Summary
- Issued 3,583,370 shares of common stock plus $91.5 million in cash for all outstanding First Bancshares shares.
- FirstCapital Bank of Texas merged into Prosperity Bank; integration scheduled for May 15, 2023.
- Ken Burgess, Greg Burgess, and Jeremy Bishop join as Regional Presidents; Brad Burgess as West Texas business development director.
- FirstCapital operated 16 banking centers in West, North, and Central Texas; combined entity has 286 full-service branches.

## SEC filing metadata
- accession: 0000950170-23-016280
- form_type: 8-K
- ticker: PB
- cik: 0001068851
- company_name: PROSPERITY BANCSHARES INC
- filed_at: 2023-05-01T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1068851/000095017023016280/0000950170-23-016280-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1068851/000095017023016280/pb-20230501.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-016280
- JSON: https://secwatch.observer/filing/0000950170-23-016280.json
- Plain text: https://secwatch.observer/filing/0000950170-23-016280.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.