Quantum Computing Inc. SEC filings QUBT
Quantum Computing Inc. has 357 filings in SEC EDGAR's recent list, going back to Jan 9, 2019. Its latest annual report, Form 10-K, was filed on Mar 2, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 10, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 2, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4/A | Filing | Aug 24, 2026 | Aug 20, 2026 |
| 4 | Insider transaction | Aug 21, 2026 | Aug 20, 2026 |
| 3 | Initial insider ownership | Jul 29, 2026 | Jul 17, 2026 |
| 4 | Insider transaction | Jun 1, 2026 | May 28, 2026 |
| 4 | Insider transaction | Jun 1, 2026 | May 28, 2026 |
| 4 | Insider transaction | Jun 1, 2026 | May 28, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 28, 2026 | — |
| 4 | Insider transaction | Apr 14, 2026 | Apr 13, 2026 |
| 4 | Insider transaction | Apr 14, 2026 | Apr 13, 2026 |
| 4 | Insider transaction | Apr 14, 2026 | Apr 13, 2026 |
| 4 | Insider transaction | Apr 14, 2026 | Apr 13, 2026 |
| 4 | Insider transaction | Apr 14, 2026 | Apr 13, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 11, 2026 | Mar 10, 2026 |
| 144 | Notice of proposed sale | Mar 11, 2026 | — |
| 144 | Notice of proposed sale | Mar 10, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 30, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 21, 2026 | — |
| 4 | Insider transaction | Jan 12, 2026 | Dec 31, 2025 |
| 3 | Initial insider ownership | Jan 12, 2026 | May 2, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 17, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 2, 2025 | — |
| 4 | Insider transaction | Sep 17, 2025 | Sep 12, 2025 |
| 4 | Insider transaction | Sep 17, 2025 | Sep 9, 2025 |
| 4 | Insider transaction | Sep 8, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Sep 5, 2025 | Sep 4, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Aug 18, 2025 |
| 144 | Notice of proposed sale | Sep 4, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 29, 2025 | — |
| 4 | Insider transaction | Jul 15, 2025 | Jul 11, 2025 |
| 3 | Initial insider ownership | Jul 2, 2025 | Jun 20, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 12, 2025 |
| 144/A | Filing | Jun 12, 2025 | — |
| 4 | Insider transaction | Jun 11, 2025 | Jun 9, 2025 |
| 4 | Insider transaction | Jun 11, 2025 | Jun 3, 2025 |
| 144 | Notice of proposed sale | Jun 11, 2025 | — |
| 144 | Notice of proposed sale | Jun 6, 2025 | — |
| 4 | Insider transaction | Jun 5, 2025 | May 22, 2025 |
| 144 | Notice of proposed sale | May 23, 2025 | — |
| 144 | Notice of proposed sale | May 22, 2025 | — |
| 3 | Initial insider ownership | May 21, 2025 | May 2, 2025 |
| 4 | Insider transaction | May 20, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 20, 2025 | May 19, 2025 |
| 144 | Notice of proposed sale | May 20, 2025 | — |
| 144 | Notice of proposed sale | May 19, 2025 | — |
| 144 | Notice of proposed sale | May 19, 2025 | — |
| 4/A | Filing | May 7, 2025 | Mar 27, 2025 |
| 4 | Insider transaction | Apr 4, 2025 | Apr 2, 2025 |
| 3 | Initial insider ownership | Mar 28, 2025 | Mar 26, 2025 |
| 4 | Insider transaction | Mar 28, 2025 | Mar 27, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 25, 2025 |
| 144 | Notice of proposed sale | Mar 25, 2025 | — |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Oct 4, 2024 | Oct 4, 2024 |
| 4 | Insider transaction | Oct 4, 2024 | Oct 4, 2024 |
| 4 | Insider transaction | Oct 4, 2024 | Oct 4, 2024 |
| 4 | Insider transaction | Oct 4, 2024 | Oct 3, 2024 |
| 4 | Insider transaction | May 14, 2024 | May 10, 2024 |
| 3 | Initial insider ownership | Apr 29, 2024 | Apr 19, 2024 |
| 4 | Insider transaction | Apr 22, 2024 | Apr 18, 2024 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Dec 29, 2023 | Dec 27, 2023 |
| 4 | Insider transaction | Dec 29, 2023 | Dec 27, 2023 |
| 4 | Insider transaction | Sep 29, 2023 | Sep 27, 2023 |
| 4 | Insider transaction | Aug 28, 2023 | Aug 25, 2023 |
| 4 | Insider transaction | Jul 31, 2023 | Jul 28, 2023 |
| 4 | Insider transaction | Jul 7, 2023 | Nov 25, 2022 |
| 3 | Initial insider ownership | Jul 7, 2023 | Jul 1, 2023 |
| 4 | Insider transaction | Jun 28, 2023 | Jun 27, 2023 |
| 144 | Notice of proposed sale | Jun 27, 2023 | — |
| 4 | Insider transaction | Apr 5, 2023 | Apr 3, 2023 |
| 4 | Insider transaction | Apr 5, 2023 | Apr 3, 2023 |
| 4 | Insider transaction | Jan 30, 2023 | Jan 26, 2023 |
| 4 | Insider transaction | Jan 30, 2023 | Jan 26, 2023 |
| 4 | Insider transaction | Jan 30, 2023 | Jan 26, 2023 |
| 4 | Insider transaction | Jan 30, 2023 | Jan 26, 2023 |
| 3 | Initial insider ownership | Jan 11, 2023 | Jan 4, 2023 |
| 4 | Insider transaction | Oct 19, 2022 | Oct 17, 2022 |
| 4 | Insider transaction | Oct 19, 2022 | Oct 17, 2022 |
| 4 | Insider transaction | Oct 19, 2022 | Oct 17, 2022 |
| 4 | Insider transaction | Oct 19, 2022 | Oct 17, 2022 |
| 4 | Insider transaction | Oct 19, 2022 | Oct 17, 2022 |
| 4 | Insider transaction | Oct 19, 2022 | Oct 17, 2022 |
| 4 | Insider transaction | Oct 19, 2022 | Oct 17, 2022 |
| 4 | Insider transaction | Oct 18, 2022 | Oct 14, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 18, 2022 | — |
| SC 13D | Ownership over 5% (active) | Jun 27, 2022 | — |
| 3 | Initial insider ownership | Jun 27, 2022 | Jun 16, 2022 |
| 4 | Insider transaction | Jan 26, 2022 | Jan 24, 2022 |
| 4 | Insider transaction | Jan 26, 2022 | Jan 24, 2022 |
| 4 | Insider transaction | Jan 26, 2022 | Jan 24, 2022 |
| 3 | Initial insider ownership | Jan 10, 2022 | Dec 30, 2021 |
| 3 | Initial insider ownership | Nov 10, 2021 | Feb 17, 2021 |
| 3 | Initial insider ownership | Nov 10, 2021 | Sep 22, 2021 |
| 3 | Initial insider ownership | May 19, 2021 | Apr 29, 2021 |
| 4 | Insider transaction | May 19, 2021 | Apr 26, 2021 |
| 4 | Insider transaction | May 19, 2021 | Apr 26, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 19, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 7, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 7, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 6, 2021 | — |
| 4 | Insider transaction | Apr 1, 2021 | Jan 21, 2021 |
| SC 13G | Ownership over 5% (passive) | Jan 25, 2021 | — |
| SC 13D | Ownership over 5% (active) | Aug 19, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Aug 14, 2020 | — |
| SC 13D | Ownership over 5% (active) | Aug 14, 2020 | — |
| 4 | Insider transaction | Aug 7, 2020 | Jul 17, 2020 |
| 4 | Insider transaction | Aug 6, 2020 | May 22, 2020 |
| 4 | Insider transaction | Aug 6, 2020 | May 22, 2020 |
| SC 13G | Ownership over 5% (passive) | Jul 7, 2020 | — |
| SC 13G | Ownership over 5% (passive) | May 17, 2019 | — |
| 3 | Initial insider ownership | Jan 22, 2019 | Jan 9, 2019 |
| 3 | Initial insider ownership | Jan 15, 2019 | Jan 9, 2019 |
| 3 | Initial insider ownership | Jan 10, 2019 | Jan 9, 2019 |
| SC 13D | Ownership over 5% (active) | Jan 10, 2019 | — |
| 3 | Initial insider ownership | Jan 10, 2019 | Jan 9, 2019 |
| 3 | Initial insider ownership | Jan 9, 2019 | Jan 9, 2019 |
Showing 124 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Services-Prepackaged Software (SIC 7372)
- Listed as
- QUBT (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Hoboken, NJ
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1758009
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.