SEC Form 4 · accession 0001869626-26-000018
Aeluma, Inc. · ALMU
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Jonathan Klamkin
Officer — Chief Executive Officer · Director
Period of report
Jun 1, 2026
Accepted (ET)
Jun 3, 2026 · 5:09 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001828805
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jun 1, 2026 | G | 20,000 | $0.00 | D | 1,366,995 | I | By Family Trust |
| Common Stock | Jun 1, 2026 | G | 20,000 | $0.00 | A | 22,403 | D | |
| Common StockF2 | Jun 1, 2026 | S | 900 | $22.1867 | D | 21,503 | D | |
| Common StockF3 | Jun 1, 2026 | S | 1,400 | $23.321 | D | 20,103 | D | |
| Common StockF4 | Jun 1, 2026 | S | 7,900 | $24.3851 | D | 12,203 | D | |
| Common StockF5 | Jun 1, 2026 | S | 1,600 | $25.1185 | D | 10,603 | D | |
| Common StockF6 | Jun 1, 2026 | S | 8,200 | $26.2453 | D | 2,403 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.
- F2Reflects 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.
- F3Reflects 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.
- F4Reflects 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.
- F5Reflects 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.
- F6Reflects 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.