Ambiq Upsized Initial Public Offering Ambiq NYSE AMBQ AUSTIN, Texas, July 31, 2025 (GLOBE NEWSWIRE) -- Ambiq Micro, Inc. (“Ambiq”), a technology leader in ultra-low-power semiconductor solutions for edge AI, today announced the closing of its upsized initial public offering of 4,600,000 shares of its common stock, including the full exercise of the underwriters’ option to purchase 600,000 additional shares, at a public offering price of $24.00 per share. The gross proceeds to Ambiq from the offering, be ...