secwatch.observer — SEC 8-K summary
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Issuer:     PROSPERITY BANCSHARES INC (PB)
CIK:        0001068851
Form:       8-K
Filed at:   2026-01-29T23:59:59+00:00
Accession:  0001193125-26-028154
Event type: m_and_a
Sentiment:  neutral
Materiality: 0.85
Item codes: 1.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Prosperity Bancshares to acquire Stellar Bancorp in stock+cash deal valued at $11.36 + 0.3803 shares per Stellar share
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- Each Stellar share exchanged for 0.3803 PB shares plus $11.36 cash; Stellar options and awards cancelled for cash.
- Stellar must pay $78M termination fee if deal breaks under certain circumstances.
- PB enters voting agreements with Stellar directors covering ~8.8% of Stellar shares, agreeing to vote for merger.
- Closing requires Stellar shareholder approval, regulatory nods (Fed, FDIC, Texas Dpt of Banking), and S-4 effectiveness.
- PB will add two Stellar directors to its board and Prosperity Bank board post-closing.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1068851/000119312526028154/0001193125-26-028154-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1068851/000119312526028154/d89446d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-028154

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