Form 4: Aeluma Director Sells Over 100K Shares Under 10b5-1 Plan

Mark N. Tompkins, a Director and 10% Owner of Aeluma, Inc. (ALMU), sold 105,000 shares of common stock across multiple transactions from January 20-22, 2026, under a pre-arranged trading plan.

Summary

• Mark N. Tompkins, a Director and 10% Owner of Aeluma, Inc. (ALMU), reported the sale of 105,000 shares of common stock.
• The transactions occurred over three days: January 20, 2026, January 21, 2026, and January 22, 2026.
• Sales were executed at weighted average prices ranging from $18.05 to $21.58 per share.
• The sales were conducted pursuant to a Rule 10b5-1(c) pre-arranged trading plan.
• Following these transactions, Mr. Tompkins' direct beneficial ownership decreased from an initial 2,024,988 shares to 1,919,988 shares of Aeluma, Inc. common stock.

Sentiment

Score: 4

Explanation: The sentiment is moderately negative due to a significant reduction in insider ownership by a Director and 10% Owner. However, the negative impact is mitigated by the fact that the sales were conducted under a pre-arranged Rule 10b5-1 plan, suggesting a planned liquidity event rather than a reaction to new, adverse information.

Positives

• The sales were executed under a Rule 10b5-1 plan, indicating they were pre-scheduled and not necessarily based on new, non-public information, which can mitigate the perception of a negative signal.

Negatives

• A significant reduction in direct beneficial ownership by a Director and 10% Owner, totaling 105,000 shares, which could be interpreted by some investors as a lack of confidence in the company's future prospects.

Risks

• Reduced insider ownership may lead to a perceived decrease in alignment between management/significant shareholders and minority shareholders.
• While conducted under a 10b5-1 plan, sustained insider selling could still contribute to negative market sentiment or pressure on the stock price.

Future Outlook

The filing does not contain any forward-looking statements or guidance regarding Aeluma, Inc.'s future performance or strategic direction, as it is solely an insider trading report.

Industry Context

This filing is specific to an insider's trading activity and does not provide broader industry context or trends. Insider trading reports are a standard disclosure requirement for publicly traded companies, providing transparency into ownership changes by key personnel.

Stakeholder Impact

• Shareholders: May interpret the significant insider selling as a negative signal, potentially leading to concerns about management's long-term confidence or future stock performance, despite the 10b5-1 plan.

Key Dates

Recommendation

While the sale of 105,000 shares by a Director and 10% Owner is a notable reduction in insider ownership, the fact that it was executed under a Rule 10b5-1 plan suggests a pre-planned liquidity event rather than a reaction to new, negative information. This mitigates the immediate 'sell' signal. Investors should monitor future insider activity and company performance, but this specific filing alone does not warrant a strong 'sell' recommendation. A 'hold' is appropriate as the market may already have priced in such planned sales or view them as routine.

Keywords

Aeluma Inc., ALMU, Form 4, Insider Selling, Beneficial Ownership, Director, 10% Owner, Stock Sale, 10b5-1 Plan