Rainier Acquisition Corporation Announces Full Exercise of Over-Allotment Option, Bringing Total IPO Gross Proceeds to $86,250,000

NEW YORK, NY, Sept. 02, 2026 (GLOBE NEWSWIRE) -- Rainier Acquisition Corporation (the "Company") announced today that the underwriter of its previously announced initial public offering has exercised in full its over-allotment option to purchase...