Aeluma, Inc. (ALMU)
Aeluma, Inc. engineers optoelectronic components primarily for integration into sensing and communication systems. The company fabricates these devices utilizing compound semiconductor materials applied to large-diameter silicon wafers, similar to those employed in the widespread manufacturing of microelectronics. Aeluma, Inc. was founded in 2019 and its corporate operations are based in Goleta, California.
Sector: Semiconductors & Related Devices
Industry: Semiconductors
Aeluma, Inc.
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
based on 19.31M shares outstanding
USAeluma, Inc. engineers optoelectronic components primarily for integration into sensing and communication systems.
The company fabricates these devices utilizing compound semiconductor materials applied to large-diameter silicon wafers, similar to those employed in the widespread manufacturing of microelectronics. Aeluma, Inc. was founded in 2019 and its corporate operations are based in Goleta, California.
Leadership
Craig H. Ensley
John K. Paglia
Jonathan Klamkin
Chief Executive Officer, President & Chairman
Michael J. Byron
Employees
11
Country
US
Sector
Technology
Website
aeluma.com
| Insider | Title | Type | Shares | Value | Date |
|---|---|---|---|---|---|
 Klamkin Jonathan | Chief Executive Officer | Sale | 100.0K | $1.05M | Oct 12, 2026 |
 Stewart Christopher P. | Chief Financial Officer | Automatic Sell | 5.7K | $70.4K | Sep 30, 2026 |
| Klamkin Jonathan | Chief Executive Officer | Grant/Award | 75.1K | -- | Sep 21, 2026 |
 Byron Michael | Director | Option Exercise | 25.0K | -- | Sep 21, 2026 |
| Stewart Christopher P. | Chief Financial Officer | Automatic Sell | 1.4K | $19.7K | Sep 21, 2026 |
| Stewart Christopher P. | Chief Financial Officer | Grant/Award | 4.0K | -- | Sep 21, 2026 |
| Name | Shares | % | Source |
|---|---|---|---|
BlackRock, Inc. | 973.2K | 5.0% | 13F |
Mark N. Tompkins · may incl. warrants· filed May 2026 | 885.0K | 4.6% | 13G |
D. E. Shaw & Co., Inc. | 798.0K | 4.1% | 13F |
VANGUARD CAPITAL MANAGEMENT LLC | 574.4K | 3.0% | 13F |
MILLENNIUM MANAGEMENT LLC | 529.0K | 2.7% | 13F |
AWM Investment Company, Inc. · also on 13F· may incl. warrants· filed Jun 2025 | 409.8K | 2.1% | 13G |
WEDBUSH SECURITIES INC | 352.8K | 1.8% | 13F |
 Denbaars Steven Director | 345.2K | 1.8% | FORM 4 |
GEODE CAPITAL MANAGEMENT, LLC | 318.0K | 1.6% | 13F |
Lee McCarthy · may incl. warrants· filed Jan 2026 | 270.1K | 1.4% | 13D |
Insiders
- Klamkin JonathanChief Executive Officer
- Stewart Christopher P.Chief Financial Officer
- Byron MichaelDirector
- Denbaars StevenDirector
- Tompkins Mark N.10% Owner
- Paglia John KennethDirector
- ENSLEY CRAIG HDirector
based on 19.31M shares outstanding
US30d Avg
640.77K
60d Avg
647.40K
90d Avg
600.56K