Mark N. Tompkins, 10% Owner at Aeluma, Inc. (ALMU), sold 100,000 shares at $17.06 ($1.7M) on 2025-12-09, disclosed to the SEC on 2025-12-11.
Open-market sale of $1.7M ALMU by 10% Owner. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $16.39 | 10,861 | $178K | 10.4% |
| 2 | $16.39 | 10,861 | $178K | 10.4% |
| 3 | $17.06 | 19,139 | $327K | 19.1% |
| 4 | $17.06 | 19,139 | $327K | 19.1% |
| 5 | $17.49 | 20,000 | $350K | 20.5% |
| 6 | $17.49 | 20,000 |
| $350K |
| 20.5% |
| Total | $17.09 avg | 100,000 | $1.7M | 100% |
| Filing → |
| ALMU | SELL | 2026-01-22 | $2.0M | — | Filing → |
| ALMU | SELL | 2025-12-29 | $1.5M | — | Filing → |
| ALMU | SELL | 2025-12-22 | $1.2M | — | Filing → |