🕵️ Aeluma, Inc. ($ALMU)
SEC insider & ownership activity, last 12 months · CIK 1828805 · every row links its SEC filing
Over the last 12 months insiders sold $25.6M with no open-market buying against it. Mark N. Tompkins sold $19.3M (Sep–Feb). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 4 sellers, $25.6M (84 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Mark N. Tompkins | 0 | – | 63 | $19.3M | Feb 4, 2026 |
| Klamkin Jonathan | 0 | – | 14 | $5.4M | Jul 1, 2026 |
| Steven Denbaars | 0 | – | 6 | $923K | May 20, 2026 |
| Lee McCarthy | 0 | – | 1 | $4K | Feb 17, 2023 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Perry George Herbert | 5.6% | 13G | Mar 31, 2026 | filing ↗ | |
| Boisei Investments LLC | 5.6% | 13G | Mar 31, 2026 | filing ↗ | |
| Blackrock, Inc. | 5.3% | 13G | Jul 27, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Jonathan Klamkin | $883K | Jul 1, 2026 | filing ↗ |
| Steven Denbaars | $519K | May 19, 2026 | filing ↗ |
| Jonathan Klamkin | $2.1M | Mar 4, 2026 | filing ↗ |
| Steven Denbaars | $444K | Feb 25, 2026 | filing ↗ |
| Klamkin Jonathan | $2.8M | Aug 14, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | May 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 19, 2026 | filing ↗ |
| Earnings (2.02) | May 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 13, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 20, 2026 | filing ↗ |
| Earnings (2.02) | Feb 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 11, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jan 20, 2026 | filing ↗ |
| Earnings (2.02) | Nov 12, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 12, 2025 | filing ↗ |
| Other events (8.01) | Oct 20, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 20, 2025 | filing ↗ |
| Material agreement (1.01) | Sep 17, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 17, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 17, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 16, 2025 | filing ↗ |
| Earnings (2.02) | Sep 9, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 9, 2025 | filing ↗ |
| Officer/director changes (5.02) | Aug 8, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 8, 2025 | filing ↗ |