Form 4: Aeluma Director Sells 60,000 Shares Under 10b5-1 Plan

Aeluma, Inc. Director and 10% owner Mark N. Tompkins sold 60,000 shares of common stock across multiple transactions in late December 2025 under a pre-arranged trading plan.

Summary

• Mark N. Tompkins, a Director and 10% owner of Aeluma, Inc. (ALMU), reported the sale of 60,000 shares of common stock.
• The sales occurred over several dates: December 23, 2025, December 24, 2025, and December 26, 2025.
• The transactions were executed pursuant to a Rule 10b5-1(c) trading plan.
• Weighted average sales prices ranged from $14.87 to $18.39 per share.
• Following these transactions, Mr. Tompkins beneficially owns 2,024,988 shares of Aeluma, Inc. common stock directly.

Sentiment

Score: 4

Explanation: The sentiment is moderately negative due to significant insider selling by a key executive and 10% owner. While the presence of a 10b5-1 plan mitigates some of the immediate negative implications, large sales can still be interpreted by the market as a signal of reduced confidence or a belief that the stock is fully valued.

Positives

• The sales were conducted under a Rule 10b5-1(c) plan, indicating pre-scheduled transactions rather than opportunistic selling based on new, non-public information.

Negatives

• Significant insider selling by a Director and 10% owner could be perceived negatively by the market, potentially signaling a lack of confidence or a belief that the stock price has peaked.
• The total value of shares sold is substantial, representing a notable reduction in the insider's direct holdings.

Risks

• Market perception risk: Large insider sales, even under a 10b5-1 plan, can sometimes lead to negative market sentiment or speculation about the company's future prospects.
• Share price volatility: Such transactions can contribute to short-term price fluctuations.

Future Outlook

The filing does not contain any forward-looking statements or guidance regarding the company's future performance or strategic direction.

Management Comments

• The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnotes.

Industry Context

This Form 4 filing reports an individual insider transaction and does not provide broader industry context or competitive analysis. Insider selling is a common occurrence, and its significance often depends on the overall market conditions, company-specific news, and the insider's historical trading patterns.

Stakeholder Impact

• Shareholders may interpret the significant insider selling as a negative signal, potentially impacting investor confidence and the company's stock price.
• Employees, customers, suppliers, and creditors are unlikely to be directly impacted by this specific insider trading report, though broader market sentiment could indirectly affect them.

Next Steps

• The filing does not explicitly mention any future actions, events, or milestones for the company or the reporting person beyond the completion of these transactions.

Key Dates

Recommendation

While significant insider selling by a Director and 10% owner typically warrants caution, the fact that these sales were executed under a Rule 10b5-1(c) plan suggests they were pre-scheduled and not necessarily indicative of new, adverse material information. Investors should 'hold' and monitor future filings and company performance for more definitive signals, as the 10b5-1 plan mitigates the immediate 'sell' signal but the volume of sales still suggests the insider is taking profits.

Keywords

Aeluma, ALMU, Insider Selling, Form 4, Mark N. Tompkins, Director, 10% Owner, Stock Sale, 10b5-1 Plan, Equity Transaction