A Statement of Changes in Beneficial Ownership was filed with the SEC on September 23, 2026, disclosing that Michael Byron, a director of Aeluma, Inc. (NASDAQ:ALMU), exercised stock options and acquired shares of common stock on September 21, 2026.

Key Highlights

  • Reporting Person: Michael Byron, identified as a director of Aeluma, Inc.
  • Transaction: 25,000 shares of common stock acquired via an option exercise (transaction code M) on September 21, 2026, at a price of $5.93 per share.
  • Post-Transaction Ownership: Byron directly held 38,343 shares of common stock following the reported transaction.
  • Option Detail: The exercised stock option carried an exercise price of $5.93, was noted as "Fully vested," and had an expiration date of February 28, 2035.
  • Remaining Derivative Holdings: Following the exercise, Byron directly held 20,833 derivative securities (stock options with right to buy common stock) at a price of $0.
  • Filing Agent: The form was signed by Joshua L. Colburn as Attorney-in-Fact on September 23, 2026.

Director Share Acquisition at Aeluma, a Semiconductor Technology Company

According to the filing, Michael Byron, serving as a director at Aeluma, Inc., exercised a fully vested stock option on September 21, 2026, converting 25,000 derivative securities into 25,000 shares of common stock at an exercise price of $5.93 per share. Aeluma, Inc. is a semiconductor company whose ticker symbol ALMU is listed on NASDAQ, as identified on the cover of the filing. The transaction is reported under transaction code M, which corresponds to an exercise or conversion of derivative securities.

Prior to accounting for the reported acquisition, Byron's resulting direct beneficial ownership in Aeluma common stock stands at 38,343 shares, according to the filing's Table I. On the derivative side, the filing's Table II indicates that following the exercise of the 25,000 options, Byron retains direct beneficial ownership of 20,833 stock options, each representing the right to buy common stock, with an expiration date of February 28, 2035. The filing notes a derivative security price of $0 for the remaining options. No indirect ownership or joint filing is indicated; the form was filed by one reporting person.

What Was Disclosed

The filing disclosed that Aeluma director Michael Byron exercised 25,000 fully vested stock options at $5.93 per share on September 21, 2026, resulting in direct beneficial ownership of 38,343 common shares and 20,833 remaining stock options expiring February 28, 2035.