Quick Takeaways
- Mark N. Tompkins filed SCHEDULE 13G/A for Aeluma, Inc. Common Stock, par value $0.0001 per share (ALMU).
- Disclosed ownership: 11%.
- Date of event: 31 Dec 2025.
Mark N. Tompkins - 31 Dec 2025 SCHEDULE 13G/A Report for Aeluma, Inc. Common Stock, par value $0.0001 per share (ALMU)
- Filing Manager
- Mark N. Tompkins
- Reporting Manager
- Mark N. Tompkins
- Symbol
- ALMU
- Shares outstanding
- 17,857,037 shares
- Disclosed Ownership
- 2,024,988 shares
- Ownership
- 11%
- Form type
- SCHEDULE 13G/A
- Filing time
- 17 Feb 2026, 17:28:07 UTC
- Date of event
- 31 Dec 2025
- Previous filing
- 14 Nov 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Mark N. Tompkins disclosed 11% ownership in Aeluma, Inc. Common Stock, par value $0.0001 per share (ALMU) on 31 Dec 2025."
What Changed
- Previous schedule filing date: 14 Nov 2025.
- Current filing was accepted on 17 Feb 2026, 17:28.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Mark N. Tompkins | 11% | 2,024,988 | 2,024,988 | 0 | /s/ Mark N. Tompkins | Mark N. Tompkins |