Company facts
- Industry
- Services-Prepackaged Software
- Headquarters
- Hoboken, New Jersey
- Most recent report
- 8-K/A, filed Sep 8, 2026
- Incorporated
- Delaware
- Filings on record
- 356 filings
- On EDGAR
- CIK 1758009
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 39
News 8 of 88
- 8-K/A Current report on a material event, amended Sep 8, 2026
- 8-K Quarterly results Aug 10, 2026
- 8-K Leadership change Jul 22, 2026
- 8-K Leadership change Jun 30, 2026
- 8-K Significant contract Jun 23, 2026
- 8-K Current report on a material event May 18, 2026
- 8-K Quarterly results May 11, 2026
- 8-K/A Acquisition or disposal closed Apr 17, 2026
Prospectuses and Registrations 8 of 29
- S-8 Registration statement for an employee plan Jul 9, 2026
- S-3ASR Automatic shelf registration Oct 10, 2025
- S-3ASR Automatic shelf registration Oct 1, 2025
- S-1 Registration statement for an offering Jul 29, 2025
- 424B3 Prospectus supplement for an offering Jul 14, 2025
- S-1 Registration statement for an offering Jul 3, 2025
- S-8 Registration statement for an employee plan Mar 21, 2025
- 424B3 Prospectus supplement for an offering Feb 4, 2025
Proxies 8 of 14
- DEFA14A Extra proxy material Apr 30, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 30, 2026
- PRE 14A Preliminary proxy statement Apr 20, 2026
- DEFA14A Extra proxy material May 9, 2025
- DEF 14A Proxy statement for a shareholder vote May 8, 2025
- DEFA14A Extra proxy material Nov 19, 2024
- DEFA14A Extra proxy material Nov 4, 2024
- DEF 14A Proxy statement for a shareholder vote Nov 1, 2024
Ownership 8 of 124
- 4/A Insider reported a trade, amended Aug 24, 2026
- 4 Insider reported a trade Aug 21, 2026
- 3 Insider reported their initial holding Jul 29, 2026
- 4 Insider reported a trade Jun 1, 2026
- 4 Insider reported a trade Jun 1, 2026
- 4 Insider reported a trade Jun 1, 2026
- SCHEDULE 13D/A Large holder reported an active stake, amended May 28, 2026
- 4 Insider reported a trade Apr 14, 2026
Other 8 of 62
- PRER14A Apr 29, 2026
- EFFECT Notice that a registration became effective Aug 4, 2025
- CORRESP Reply to SEC staff Jul 31, 2025
- UPLOAD Comment letter from SEC staff Jul 30, 2025
- EFFECT Notice that a registration became effective Jul 14, 2025
- CORRESP Reply to SEC staff Jul 10, 2025
- UPLOAD Comment letter from SEC staff Jul 10, 2025
- EFFECT Notice that a registration became effective Feb 3, 2025
Everything here comes from Quantum Computing Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.