Aeluma CEO Jonathan Klamkin Sells 22,000 Shares Under Rule 10b5-1 Plan

This Form 4 filing reports that Jonathan Klamkin, CEO and Director of Aeluma, Inc. (ALMU), executed multiple stock transactions on June 1, 2026. The transactions include a transfer of 20,000 shares from a family trust (indirect ownership) to direct ownership, followed by the sale of 22,000 shares of common stock through a pre-arranged Rule 10b5-1 trading plan adopted on December 3, 2025. The sales occurred at weighted average prices ranging from $22.1867 to $26.2453 per share, with the largest block of 8,200 shares sold at $26.2453. Following these transactions, Klamkin's direct ownership decreased to 2,403 shares, while his indirect ownership through the family trust stands at 1,366,995 shares. The filing was signed by attorney-in-fact Joshua L. Colburn on June 3, 2026.