Quick Takeaways
- Mark N. Tompkins filed SCHEDULE 13G/A for Aeluma, Inc. Common Stock, par value $0.0001 per share (ALMU).
- Disclosed ownership: 16%.
- Date of event: 30 Sep 2025.
Mark N. Tompkins - 30 Sep 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
- 17,866,373 shares
- Disclosed Ownership
- 2,856,833 shares
- Ownership
- 16%
- Form type
- SCHEDULE 13G/A
- Filing time
- 14 Nov 2025, 15:36:11 UTC
- Date of event
- 30 Sep 2025
- Previous filing
- 03 Apr 2025
- Next filing
- 17 Feb 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"Mark N. Tompkins disclosed 16% ownership in Aeluma, Inc. Common Stock, par value $0.0001 per share (ALMU) on 30 Sep 2025."
What Changed
- Previous schedule filing date: 03 Apr 2025.
- Current filing was accepted on 14 Nov 2025, 15:36.
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.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Mark N. Tompkins | 16% | 2,856,833 | 2,856,833 | 0 | /s/ Mark N. Tompkins | Mark N. Tompkins |