Mark N. Tompkins, 10% Owner at Aeluma, Inc. (ALMU), sold 122,540 shares at $19.96 ($2.5M) on 2025-10-16, disclosed to the SEC on 2025-10-17.
Open-market sale of $2.5M 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 | $20.11 | 24,147 | $486K | 19.7% |
| 2 | $20.11 | 24,147 | $486K | 19.7% |
| 3 | $21.31 | 15,853 | $338K | 13.7% |
| 4 | $21.31 | 15,853 | $338K | 13.7% |
| 5 | $18.97 | 17,540 | $333K | 13.5% |
| 6 | $18.97 | 17,540 |
| $333K |
| 13.5% |
| 7 | $19.96 | 6,650 | $133K | 5.4% |
| 8 | $20.72 | 810 | $17K | 0.7% |
| Total | $20.09 avg | 122,540 | $2.5M | 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 → |