Aeluma, Inc.

Insider Trading Arrangements and Related Disclosure

On November 20, 2025, Steven DenBaars, adopted a “Rule 10b5-1 trading arrangement,” as defined in Item 408(a) of Regulation S-K of the Exchange Act, that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) and provides for the sale of up to 100,000 shares of the Company’s common stock, subject to the price conditions and formulas specified in the trading arrangement. The term of the trading arrangement expires upon the earlier of the date all shares have been sold pursuant to the trading arrangement and November 19, 2026. Mr. DenBaars is a member of the Company’s board of directors.

On December 3, 2025, Jonathan Klamkin, adopted a Rule 10b5-1 trading arrangement that provides for the sale of up to 150,000 shares of the Company’s common stock, subject to the price conditions and formulas specified in the trading arrangement. The term of the trading arrangement expires upon the earlier of the date all shares have been sold pursuant to the trading arrangement and September 2, 2026. Mr. Klamkin is our President and Chief Executive Officer and Chairman of the Company’s board of directors.

Other than as disclosed above, during the three months ended December 31, 2025, none of our directors or officers adopted orterminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K.