Aeluma closes $25.4 million public offering

Aeluma Inc. (NASDAQ: ALMU) completed an underwritten public offering of 1,955,000 shares of common stock at $13.00 per share, generating gross proceeds of approximately $25.4 million before underwriting discounts and expenses.

The offering included 255,000 shares issued when underwriters exercised their option to purchase additional shares. Craig-Hallum served as sole book-running manager, while The Benchmark Company acted as co-manager.

"This brings our cash balance to $39.2 million as of June 30, 2025," said Jonathan Klamkin, founder and CEO of Aeluma, according to the company's announcement.

The semiconductor company plans to use net proceeds for expanding business development efforts, advancing manufacturing processes to support commercialization, and working capital and general business purposes.

The shares were offered under a shelf registration statement on Form S-3 filed with the Securities and Exchange Commission on July 31, 2025, and declared effective on August 8, 2025. The final prospectus supplement was filed on September 18, 2025.

Goleta, California-based Aeluma specializes in photonic and electronic semiconductor technologies for applications including mobile, artificial intelligence, defense and aerospace, robotics, automotive, augmented and virtual reality, and quantum computing.

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