Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
Yuping Huang - 03 Apr 2023 SCHEDULE 13D/A Report for Quantum Computing Inc. Common Stock, par value $0.0001 per share (QUBT)
- Filing manager
- Yuping Huang
- Reporting owner
- Yuping Huang
- Beneficially owned shares
- 23,302,068 shares
- Large-stake signal
-
Ownership
10%Beneficial ownership of this reported class.
Shares
23,302,068 sharesShares beneficially owned as disclosed.
Event date
03 Apr 2023Date tied to the ownership event or amendment.
Accepted by SEC
28 May 2026EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 10%
- Symbol
- QUBT
- Shares outstanding
- 225,576,651 shares
- SEC form
- SCHEDULE 13D/A
- Accepted by SEC
- 28 May 2026, 21:51:25 UTC
- Event date
- 03 Apr 2023
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
4 source fields
Key filing fact
Yuping Huang disclosed 10% ownership in Quantum Computing Inc. Common Stock, par value $0.0001 per share (QUBT) on 03 Apr 2023.
Key facts
- Yuping Huang filed SCHEDULE 13D/A for Quantum Computing Inc. Common Stock, par value $0.0001 per share (QUBT).
- Disclosed ownership: 10%.
- Date of event: 03 Apr 2023.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 28 May 2026, 21:51.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (1)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Yuping Huang | 10% | 23,302,068 | 23,302,068 | 0 | /s/ Yuping Huang | Dr. Yuping Huang | 0001935476 |
CIK / CUSIP context first