ALMU
Aeluma, Inc.
Latest Form 4:Sale$173KbyDenbaars Steven (Director) · filed Aug 28, 2026
Aeluma, Inc. (ALMU) has 30 SEC Form 4 filings (113 transaction rows) in the rolling window, disclosed by 4 distinct insiders. Most recent filing: Aug 28, 2026.
The most active filer is Insider Tompkins Mark N. with 34 filings. Insiders have net sold $3.8M over the trailing 6 months.
- Industry:Semiconductors
- CEO:Jonathan Klamkin
- Employees:13
- HQ:Goleta, CA, US
- IPO:2022-11-16
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$26.9M
reported sales (SEC code S)
Unique Insiders
4
in the rolling window
Market Cap
$254.8M
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| Director | Sale | 12,500 | $173K | Aug 28 | SEC ↗ | |
| Director | Sale | 12,500 | $173K | Aug 28 | SEC ↗ | |
| Chief Executive Officer | Sale | 20,000 | $335K | Aug 5 | SEC ↗ | |
| Chief Executive Officer | Sale | 20,000 | $422K | Jul 2 | SEC ↗ | |
| Chief Executive Officer | Sale | 20,000 | $501K | Jun 3 | SEC ↗ | |
| Director | Sale | 12,500 | $250K | May 21 | SEC ↗ | |
| Director | Sale | 12,500 | $256K | May 21 | SEC ↗ | |
| Chief Executive Officer | Sale | 20,000 | $499K | May 5 | SEC ↗ | |
| Chief Executive Officer | Sale | 20,000 | $262K | Apr 3 | SEC ↗ | |
Klamkin JonathanFirst in 6 months | Chief Executive Officer | Sale | 50,000 | $903K | Mar 5 | SEC ↗ |
Denbaars StevenFirst filing | Director | Sale | 12,500 | $220K | Feb 27 | SEC ↗ |
Denbaars StevenFirst filing | Director | Sale | 12,500 | $198K | Feb 27 | SEC ↗ |
| Former 10% Owner | Sale | 34,500 | $508K | Feb 5 | SEC ↗ | |
| 10% Owner | Sale | 32,500 | $547K | Feb 2 | SEC ↗ | |
| 10% Owner | Sale | 25,000 | $398K | Feb 2 | SEC ↗ | |
| 10% Owner | Sale | 37,500 | $590K | Feb 2 | SEC ↗ | |
| 10% Owner | Sale | 30,000 | $621K | Jan 22 | SEC ↗ | |
| 10% Owner | Sale | 45,000 | $847K | Jan 22 | SEC ↗ | |
| 10% Owner | Sale | 30,000 | $542K | Jan 22 | SEC ↗ | |
McCarthy LeeFirst filing | 10% Owner | Sale | 649,570 | $4K | Jan 2 | SEC ↗ |
| 10% Owner | Sale | 15,000 | $223K | Dec 29 | SEC ↗ | |
| 10% Owner | Sale | 15,000 | $241K | Dec 29 | SEC ↗ | |
| 10% Owner | Sale | 30,000 | $534K | Dec 29 | SEC ↗ | |
| 10% Owner | Sale | 20,000 | $287K | Dec 22 | SEC ↗ | |
| 10% Owner | Sale | 30,000 | $441K | Dec 22 | SEC ↗ | |
| 10% Owner | Sale | 35,000 | $519K | Dec 22 | SEC ↗ | |
| 10% Owner | Sale | 30,000 | $505K | Dec 11 | SEC ↗ | |
| 10% Owner | Sale | 20,000 | $350K | Dec 11 | SEC ↗ | |
| 10% Owner | Sale | 30,000 | $481K | Dec 9 | SEC ↗ | |
| 10% Owner | Sale | 30,000 | $484K | Dec 9 | SEC ↗ | |
| 10% Owner | Sale | 40,000 | $642K | Dec 9 | SEC ↗ | |
| 10% Owner | Sale | 40,000 | $677K | Oct 21 | SEC ↗ | |
| 10% Owner | Sale | 37,500 | $615K | Oct 21 | SEC ↗ | |
| 10% Owner | Sale | 40,000 | $823K | Oct 17 | SEC ↗ | |
| 10% Owner | Sale | 25,000 | $482K | Oct 17 | SEC ↗ | |
| 10% Owner | Sale | 35,000 | $583K | Oct 14 | SEC ↗ | |
| 10% Owner | Sale | 35,331 | $600K | Oct 14 | SEC ↗ | |
| 10% Owner | Sale | 36,855 | $732K | Oct 14 | SEC ↗ | |
| 10% Owner | Sale | 35,000 | $621K | Oct 9 | SEC ↗ | |
| 10% Owner | Sale | 35,000 | $612K | Oct 9 | SEC ↗ | |
| 10% Owner | Sale | 36,908 | $611K | Oct 9 | SEC ↗ | |
| 10% Owner | Sale | 35,000 | $599K | Oct 6 | SEC ↗ | |
| 10% Owner | Sale | 31,147 | $547K | Oct 6 | SEC ↗ | |
| 10% Owner | Sale | 63,604 | $1.2M | Oct 6 | SEC ↗ | |
| 10% Owner | Sale | 67,380 | $1.1M | Oct 6 | SEC ↗ | |
Tompkins Mark N.First filing | 10% Owner | Sale | 25,000 | $439K | Oct 2 | SEC ↗ |
Tompkins Mark N.First filing | 10% Owner | Sale | 50,500 | $852K | Oct 2 | SEC ↗ |
Klamkin JonathanFirst filing | Chief Executive Officer | Sale | 150,000 | $2.8M | Sep 9 | SEC ↗ |
Related companies
Aeluma, Inc. is in the Technology sector.