---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-007183"
form_type: "8-K"
ticker: "STEL"
cik: "0001473844"
company_name: "Stellar Bancorp, Inc."
filed_at: "2026-01-28T23:59:59+00:00"
generated_at: "2026-05-16T06:58:00.816637+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Stellar Bancorp to be acquired by Prosperity Bancshares in ~$2B stock-and-cash deal

## Summary
- Prosperity to issue 0.3803 shares + $11.36 cash per Stellar share; total consideration ~$2B based on Jan 27 closing.
- Stellar has $10.8B assets, $7.3B loans, $9.0B deposits, and 52 Texas banking offices as of Dec 31, 2025.
- Transaction expected to close in Q2 2026, subject to Stellar shareholder and regulatory approvals.
- Stellar CEO Robert Franklin to join Prosperity Bank as Vice Chairman; President Ramon Vitulli as Houston Area Chairman.
- Combination creates second-largest Texas bank by deposits with over 330 branches.

## SEC filing metadata
- accession: 0001104659-26-007183
- form_type: 8-K
- ticker: STEL
- cik: 0001473844
- company_name: Stellar Bancorp, Inc.
- filed_at: 2026-01-28T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1473844/000110465926007183/0001104659-26-007183-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1473844/000110465926007183/tm264235d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-007183
- JSON: https://secwatch.observer/filing/0001104659-26-007183.json
- Plain text: https://secwatch.observer/filing/0001104659-26-007183.txt

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