Stellar Bancorp completes merger with Prosperity Bancshares; stock delisted

Stellar Bancorp, Inc.

Merger closed July 1, 2026; each Stellar share converted to 0.3803 Prosperity shares plus $11.36 cash.
Stellar directors and officers resigned; Robert R. Franklin, Jr. and Joseph B. Swinbank appointed to Prosperity board.
Stellar sold approximately $466.4M of securities (agency MBS, CMBS, CMOs, municipals, corporate debt) as balance sheet repositioning.
Stellar Common Stock delisted from NYSE; Prosperity intends to file Form 15 to deregister and suspend reporting.

item 2.01 item 3.01 item 3.03 item 5.01 item 5.02 item 5.03 item 8.01 item 9.01

Executive movements

Machine-extracted from this filing. Every card cites the SEC source. See all recent executive movements.

Departed

Robert R. Franklin, Jr.

Director

STEL · Stellar Bancorp, Inc.

Effective: 2026-07-01
Filed: July 1, 2026, 7:30 AM ET

Stellar’s directors and executive officers ceased serving as directors and executive officers of Stellar.

Departed

Joseph B. Swinbank

Director

STEL · Stellar Bancorp, Inc.

Effective: 2026-07-01
Filed: July 1, 2026, 7:30 AM ET

Stellar’s directors and executive officers ceased serving as directors and executive officers of Stellar.

Key facts

Extracted from this filing and checked against the source text.

Executive change SEC 8-K Item 5.02 confidence 0.95

Robert R. Franklin, Jr. departed as Director at Stellar Bancorp, Inc..

Action: ceased serving
Role: Director

Exact text from the filing

Stellar’s directors and executive officers ceased serving as directors and executive officers of Stellar.

View on SEC.gov

Executive change SEC 8-K Item 5.02 confidence 0.95

Joseph B. Swinbank departed as Director at Stellar Bancorp, Inc..

Action: ceased serving
Role: Director

Exact text from the filing

Stellar’s directors and executive officers ceased serving as directors and executive officers of Stellar.

View on SEC.gov

Stellar Bancorp, Inc. filing history →

Source: SEC EDGAR

accession 0001193125-26-291511

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