PB - Leadership updates

NEW YORK, June 30, 2026 /PRNewswire/ -- Allison Transmission Holdings Inc. (NYSE: ALSN) will replace Goodyear Tire & Rubber Co. (NASD: GT) in the S&P MidCap 400, and Goodyear Tire & Rubber will replace Stellar Bancorp Inc. (NYSE:STEL) in the S&P SmallCap 600 effective prior to the opening of trading on Monday, July 6. S&P MidCap 400 constituent Prosperity Bancshares Inc. (NYSE:PB) is acquiring Stellar Bancorp in a deal expected to close July 1. Following is a summary of the changes that will take place prior to the open of trading on the effective date:Effective DateIndex NameActionCompany NameTickerGICS SectorJuly 6, 2026S&P MidCap 400AdditionAllison TransmissionALSNIndustrialsJuly 6, 2026S

HOUSTON and SAN ANTONIO, Oct. 1, 2025 /PRNewswire/ -- Prosperity Bancshares, Inc.® (NYSE:PB) ("Prosperity"), the parent company of Prosperity Bank®, and Southwest Bancshares, Inc. ("Southwest"), the parent holding company of Texas Partners Bank ("Texas Partners"), headquartered in San Antonio, Texas, today jointly announced the signing of a definitive merger agreement whereby Prosperity will acquire Southwest and Texas Partners. Texas Partners operates eleven (11) banking offices in Central Texas including its main office in San Antonio, and banking offices in the San Antonio area, Austin and the Hill Country.  As of June 30, 2025, Southwest, on a consolidated basis, reported total assets of