ALMU · Aeluma Inc. Common Stock
View on chartInsiders & Stakes
| Mark N. Tompkins 10% Owner | ▼ Sell | Open Market | 1,790,488 Shares held | 2/4/2026 | View profile |
| Lee McCarthy CFO, COO | ▼ Sell | Open Market | 977,425 Shares held | 2/17/2023 | View profile |
| Steven Denbaars Director | ▼ Sell | Open Market | 345,209 Shares held | 8/27/2026 | View profile |
| Ian Seth Jacobs | ▼ Sell | Other | 200,000 Shares held | 6/22/2021 | View profile |
| Craig H. Ensley | ▲ Buy | Grant | 27,300 Shares held | 12/3/2025 | View profile |
| John Kenneth Paglia | ▲ Buy | Grant | 23,361 Shares held | 12/3/2025 | View profile |
| Michael Byron | ▲ Buy | Grant | 13,343 Shares held | 12/3/2025 | View profile |
| Jonathan Klamkin CEO | ▼ Sell | Open Market | 2,403 Shares held | 8/3/2026 | View profile |
Transaction History
| Steven Denbaars | ▼ Sell | Open Market | 12,500 | $173K | 8/27/2026 |
| Steven Denbaars | ▼ Sell | Open Market | 12,500 | $173K | 8/26/2026 |
| Jonathan Klamkin | ▼ Sell | Gift | 20,000 | $0 | 8/3/2026 |
| Jonathan Klamkin | ▼ Sell | Gift | 20,000 | $0 | 8/3/2026 |
| Jonathan Klamkin | ▼ Sell | Open Market | 4,190 | $68K | 8/3/2026 |
| Jonathan Klamkin | ▼ Sell | Open Market | 15,810 | $266K | 8/3/2026 |
| Jonathan Klamkin | ▼ Sell | Gift | 20,000 | $0 | 7/1/2026 |
| Jonathan Klamkin | ▼ Sell | Gift | 20,000 | $0 | 7/1/2026 |
| Jonathan Klamkin | ▼ Sell | Open Market | 19,900 | $420K | 7/1/2026 |
| Jonathan Klamkin | ▼ Sell | Open Market | 100 | $2K | 7/1/2026 |
| Jonathan Klamkin | ▼ Sell | Gift | 20,000 | $0 | 6/1/2026 |
| Jonathan Klamkin | ▼ Sell | Gift | 20,000 | $0 | 6/1/2026 |
| Jonathan Klamkin | ▼ Sell | Open Market | 900 | $20K | 6/1/2026 |
| Jonathan Klamkin | ▼ Sell | Open Market | 1,400 | $33K | 6/1/2026 |
| Jonathan Klamkin | ▼ Sell | Open Market | 7,900 | $193K | 6/1/2026 |
| Jonathan Klamkin | ▼ Sell | Open Market | 1,600 | $40K | 6/1/2026 |
| Jonathan Klamkin | ▼ Sell | Open Market | 8,200 | $215K | 6/1/2026 |
| Steven Denbaars | ▼ Sell | Open Market | 11,558 | $236K | 5/20/2026 |
| Steven Denbaars | ▼ Sell | Open Market | 942 | $20K | 5/20/2026 |
| Steven Denbaars | ▼ Sell | Open Market | 7,415 | $145K | 5/19/2026 |
| Steven Denbaars | ▼ Sell | Open Market | 5,085 | $105K | 5/19/2026 |
| Jonathan Klamkin | ▼ Sell | Gift | 20,000 | $0 | 5/1/2026 |
| Jonathan Klamkin | ▼ Sell | Gift | 20,000 | $0 | 5/1/2026 |
| Jonathan Klamkin | ▼ Sell | Open Market | 4,300 | $104K | 5/1/2026 |
| Jonathan Klamkin | ▼ Sell | Open Market | 15,024 | $378K | 5/1/2026 |
| Jonathan Klamkin | ▼ Sell | Open Market | 676 | $17K | 5/1/2026 |
| Jonathan Klamkin | ▼ Sell | Gift | 20,000 | $0 | 4/1/2026 |
| Jonathan Klamkin | ▼ Sell | Open Market | 20,000 | $262K | 4/1/2026 |
| Jonathan Klamkin | ▼ Sell | Gift | 20,000 | $0 | 4/1/2026 |
| Jonathan Klamkin | ▼ Sell | Gift | 50,000 | $0 | 3/4/2026 |
| Jonathan Klamkin | ▼ Sell | Gift | 50,000 | $0 | 3/4/2026 |
| Jonathan Klamkin | ▼ Sell | Open Market | 28,206 | $501K | 3/4/2026 |
| Jonathan Klamkin | ▼ Sell | Open Market | 21,794 | $401K | 3/4/2026 |
| Steven Denbaars | ▼ Sell | Open Market | 12,500 | $198K | 2/26/2026 |
| Steven Denbaars | ▼ Sell | Open Market | 12,500 | $220K | 2/25/2026 |
| Mark N. Tompkins | ▼ Sell | Open Market | 28,544 | $418K | 2/4/2026 |
| Mark N. Tompkins | ▼ Sell | Open Market | 5,956 | $90K | 2/4/2026 |
| Mark N. Tompkins | ▼ Sell | Open Market | 37,500 | $590K | 2/2/2026 |
| Mark N. Tompkins | ▼ Sell | Open Market | 24,092 | $383K | 1/30/2026 |
| Mark N. Tompkins | ▼ Sell | Open Market | 908 | $15K | 1/30/2026 |
| Mark N. Tompkins | ▼ Sell | Open Market | 27,297 | $457K | 1/29/2026 |
| Mark N. Tompkins | ▼ Sell | Open Market | 5,203 | $89K | 1/29/2026 |
| Mark N. Tompkins | ▼ Sell | Open Market | 29,038 | $524K | 1/22/2026 |
| Mark N. Tompkins | ▼ Sell | Open Market | 962 | $18K | 1/22/2026 |
| Mark N. Tompkins | ▼ Sell | Open Market | 30,328 | $562K | 1/21/2026 |
| Mark N. Tompkins | ▼ Sell | Open Market | 12,947 | $250K | 1/21/2026 |
| Mark N. Tompkins | ▼ Sell | Open Market | 1,715 | $35K | 1/21/2026 |
| Mark N. Tompkins | ▼ Sell | Open Market | 10 | $212 | 1/21/2026 |
| Mark N. Tompkins | ▼ Sell | Open Market | 29,112 | $601K | 1/20/2026 |
| Mark N. Tompkins | ▼ Sell | Open Market | 888 | $19K | 1/20/2026 |
| Jonathan Klamkin | ▼ Sell | Gift | 1,126,995 | $0 | 12/29/2025 |
| Jonathan Klamkin | ▼ Sell | Gift | 1,126,995 | $0 | 12/29/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 6,970 | $118K | 12/26/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 20,368 | $367K | 12/26/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 2,662 | $49K | 12/26/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 15,000 | $241K | 12/24/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 15,000 | $223K | 12/23/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 35,000 | $519K | 12/22/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 30,000 | $441K | 12/19/2025 |
| Jonathan Klamkin | ▼ Sell | Gift | 350,000 | $0 | 12/19/2025 |
| Jonathan Klamkin | ▼ Sell | Gift | 350,000 | $0 | 12/19/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 20,000 | $287K | 12/18/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 20,000 | $350K | 12/10/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 10,861 | $178K | 12/9/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 19,139 | $327K | 12/9/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 39,012 | $626K | 12/8/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 988 | $17K | 12/8/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 28,390 | $458K | 12/5/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 1,610 | $27K | 12/5/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 11,500 | $178K | 12/4/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 18,500 | $303K | 12/4/2025 |
| Craig H. Ensley | ▲ Buy | Grant | 10,633 | $0 | 12/3/2025 |
| John Kenneth Paglia | ▲ Buy | Grant | 10,861 | $0 | 12/3/2025 |
| Michael Byron | ▲ Buy | Grant | 13,343 | $0 | 12/3/2025 |
| Steven Denbaars | ▲ Buy | Grant | 10,121 | $0 | 12/3/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 37,500 | $615K | 10/20/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 33,344 | $559K | 10/17/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 5,913 | $105K | 10/17/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 743 | $14K | 10/17/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 17,540 | $333K | 10/16/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 6,650 | $133K | 10/16/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 810 | $17K | 10/16/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 24,147 | $486K | 10/15/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 15,853 | $338K | 10/15/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 36,855 | $732K | 10/14/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 300 | $5K | 10/13/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 35,031 | $594K | 10/13/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 30,587 | $508K | 10/10/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 4,413 | $76K | 10/10/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 35,908 | $594K | 10/9/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 1,000 | $17K | 10/9/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 34,300 | $599K | 10/8/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 700 | $13K | 10/8/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 7,907 | $148K | 10/7/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 400 | $8K | 10/7/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 26,693 | $466K | 10/7/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 63,604 | $1.2M | 10/6/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 18,189 | $315K | 10/3/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 12,958 | $232K | 10/3/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 34,880 | $596K | 10/2/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 120 | $2K | 10/2/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 9,133 | $150K | 10/1/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 41,367 | $702K | 10/1/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 33,380 | $540K | 9/30/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 200 | $4K | 9/30/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 23,382 | $410K | 9/29/2025 |
| Mark N. Tompkins | ▼ Sell | Open Market | 1,618 | $30K | 9/29/2025 |
| Jonathan Klamkin | ▼ Sell | Open Market | 150,000 | $2.8M | 8/14/2025 |
| Jonathan Klamkin | ▼ Sell | Other | 2,403 | $39K | 7/1/2025 |
| Mark N. Tompkins | ▼ Sell | Other | 200,000 | $700K | 3/27/2025 |
| Lee McCarthy | ▼ Sell | Open Market | 649,570 | $4K | 2/17/2023 |
| Mark N. Tompkins | ▲ Buy | Open Market | 83,333 | $250K | 12/22/2022 |
| Mark N. Tompkins | ▲ Buy | Open Market | 107,500 | $215K | 6/25/2021 |
| Mark N. Tompkins | ▲ Buy | Open Market | 250,000 | $500K | 6/22/2021 |
| Lee McCarthy | ▼ Sell | Other | 1,626,995 | $0 | 6/22/2021 |
| Jonathan Klamkin | ▼ Sell | Other | 1,626,995 | $0 | 6/22/2021 |
| Steven Denbaars | ▼ Sell | Other | 276,755 | $0 | 6/22/2021 |
| Steven Denbaars | ▲ Buy | Open Market | 100,000 | $200K | 6/22/2021 |
| Ian Seth Jacobs | ▼ Sell | Other | 50,000 | $0 | 6/22/2021 |
| Mark N. Tompkins | ▼ Sell | Other | 2,450,000 | $0 | 6/22/2021 |
| Mark N. Tompkins | ▼ Sell | Other | 25,000 | $0 | 6/21/2021 |