10% Owner Sells Over $2.0 Million in Aeluma Stock
ALMU has more than doubled off its 52-week low of $5.69.
Summary
A 10% owner of Aeluma, Inc. sold over $2.0 million worth of common stock in open market transactions over three days.
Key Events · Ownership and Investor Activity · ALMU
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Significant Insider Sale
Mark N. Tompkins, a 10% owner, sold 105,000 shares of Aeluma, Inc. common stock for a total value of $2,009,667.
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Sales Across Multiple Days
The sales occurred over three days, from January 20 to January 22, 2026, with prices ranging from $18.05 to $21.58 per share.
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Reduced Ownership Stake
Following these transactions, Tompkins Mark N. directly holds 1,919,988 shares of Aeluma, Inc.
Analysis · ALMU · Manufacturing
Mark N. Tompkins, a 10% owner of Aeluma, Inc., executed a substantial open market sale of company stock. While 10% owners often sell for portfolio rebalancing, a sale of this magnitude, totaling over $2.0 million, is a notable event. This transaction represents a significant reduction in his direct holdings and could be interpreted by investors as a signal of reduced confidence, especially given the current stock price of $17.85 compared to the higher transaction prices.
How filings like this one have moved
In the 30 days to Oct 1, 2026, 30.2% of the 1605 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.53%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, ALMU was trading at $17.85 on NASDAQ in the Manufacturing sector, with a market capitalization of approximately $315.2M. The 52-week trading range was $5.69 to $25.88. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.