ALMU · Aeluma, Inc. · Insider Trading

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 23, 2026.

Reflects the weighted average price of 100,000 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on October 12, 2026 with sale prices ranging from $10.31 to $11.15 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Includes 41,250 additional shares issuable upon vesting and settlement of existing RSUs that were previously reported in Table II.

Stock award in lieu of cash bonus.

Restricted stock units ("RSUs") scheduled to vest and settle into an equal number of shares of common stock with respect to 25% of the shares on September 30, 2027 and thereafter in 12 substantially equivalent quarterly increments on the last day of each calendar quarter.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 23, 2026.

Reflects the weighted average price of 100,000 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on September 21, 2026 with sale prices ranging from $12.70 to $13.65 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Stock award in lieu of cash bonus.

Fully vested.

Stock options scheduled to vest with respect to 25% of the shares on first anniversary of the grant date, and thereafter in 36 substantially equivalent increments on each monthly anniversary of the grant date.

Restricted stock units ("RSUs") scheduled to vest and settle into an equal number of shares of common stock with respect to 25% of the shares on September 30, 2027 and thereafter in 12 substantially equivalent quarterly increments on the last day of each calendar quarter.

Stock options scheduled to vest with respect to 25% of the shares on first anniversary of the grant date, and thereafter in 36 substantially equivalent increments on each monthly anniversary of the grant date.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2025.

The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $13.59 to $14.35, inclusive.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2025.

The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $13.57 to $14.40, inclusive.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

Reflects the weighted average price of 15,810 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on August 3, 2026 with sale prices ranging from $16.62 to $17.53 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

Reflects the weighted average price of 4,190 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on August 3, 2026 with sale prices ranging from $15.62 to $16.61 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

Reflects the weighted average price of 19,900 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on July 1, 2026 with sale prices ranging from $20.54 to $21.52 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

Reflects the weighted average price of 8,200 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on June 1, 2026 with sale prices ranging from $25.79 to $26.71 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

Reflects the weighted average price of 1,400 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on June 1, 2026 with sale prices ranging from $22.74 to $23.70 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

Reflects the weighted average price of 1,600 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on June 1, 2026 with sale prices ranging from $24.76 to $25.73 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

Reflects the weighted average price of 7,900 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on June 1, 2026 with sale prices ranging from $23.75 to $24.74 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

Reflects the weighted average price of 900 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on June 1, 2026 with sale prices ranging from $21.64 to $22.62 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2025.

The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $20.907 to $21.63, inclusive.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2025.

The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $19.89 to $20.8895, inclusive.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2025.

Restricted stock units scheduled to vest with respect to approximately 1/12 of the shares on December 31, 2025, 1/4 of the shares on March 31, June 30, and September 30, 2026, and 1/6 of the shares on November 30, 2026.

The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $19.02 to $20.01, inclusive.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2025.

The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $20.0244 to $20.9963, inclusive.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

Reflects the weighted average price of 15,024 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on May 1, 2026 with sale prices ranging from $24.62 to $25.61 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

Reflects the weighted average price of 4,300 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on May 1, 2026 with sale prices ranging from $23.62 to $24.61 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

Reflects the weighted average price of 676 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on May 1, 2026 with sale prices ranging from $25.62 to $26.02 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Due to interim sales transactions previously reported on March 6, 2026 and April 3, 2026, amounts of securities beneficially owned following reported transactions may not foot.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

Reflects the weighted average price of 20,000 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on April 1, 2026 with sale prices ranging from $12.82 to $13.325 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

Reflects the weighted average price of 28,206 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on March 4, 2026 with sale prices ranging from $17.11 to $18.10 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

Reflects the weighted average price of 21,794 shares of common stock of Aeluma, Inc. sold by the reporting person in multiple transactions on March 4, 2026 with sale prices ranging from $18.11 to $19.03 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2025.

The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $15.475 to $16.41, inclusive.

Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2025.

The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $17.11 to $17.97, inclusive.

The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $14.94 to $15.50, inclusive.

The price reported in Column 4 represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $13.94 to $14.91, inclusive.