Form 4: Aeluma Inc. Insider Sells Shares Under 10b5-1 Plan

Aeluma, Inc. Director and CEO Jonathan Klamkin sold a total of 18,900 shares of common stock on June 1, 2026, under a pre-arranged Rule 10b5-1 trading plan.

Summary

• Jonathan Klamkin, Director and Chief Executive Officer of Aeluma, Inc., executed a series of stock sales on June 1, 2026.
• These transactions were conducted under a Rule 10b5-1 trading plan adopted on December 3, 2025.
• A total of 18,900 shares were sold across multiple transactions with weighted average prices ranging from $22.1867 to $26.2453.
• Following these sales, Klamkin's beneficial ownership of Aeluma, Inc. common stock is 2,403 shares directly held, and 1,366,995 shares indirectly held through a Family Trust.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this filing as neutral. While it involves significant insider selling, the transactions were conducted under a pre-established Rule 10b5-1 plan, mitigating concerns about opportunistic trading.

Negatives

• Insider selling activity, particularly by a CEO, can sometimes be interpreted negatively by the market, although this sale was conducted under a pre-established trading plan.

Risks

• The sales were executed under a Rule 10b5-1 plan, which is designed to mitigate insider trading concerns, but the volume of sales could still be perceived as a negative signal by some investors.
• The specific prices and volumes for each individual transaction are not fully detailed, with weighted averages provided, requiring further inquiry for complete transparency.

Future Outlook

The filing does not contain forward-looking statements or guidance. It solely reports on past transactions.

Industry Context

StockSavvy.ai notes that insider sales under Rule 10b5-1 plans are common for executives needing to diversify holdings or manage personal finances. While these plans are designed to avoid insider trading perceptions, significant sales can still influence market sentiment, especially if they deviate from historical patterns or company performance.

Stakeholder Impact

• Shareholders: May interpret the insider sales, even under a 10b5-1 plan, as a signal of reduced confidence or a need for liquidity by management, potentially impacting share price perception.
• Management: The use of a Rule 10b5-1 plan demonstrates adherence to corporate governance best practices for insider trading.

Next Steps

• The reporting person will provide full information regarding the number of shares sold at each separate price upon request by the SEC staff, the issuer, or a security holder.

Key Dates

Keywords

Aeluma Inc., ALMU, Form 4, Insider Trading, Rule 10b5-1, Stock Sale, Jonathan Klamkin, CEO, Director, Beneficial Ownership