Filer Snapshot

Quantum Computing Inc. SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001758009.

Entity Type

Company

Total Filings

339

Latest Filing

30 Apr 2026

Industry

Services Prepackaged Software

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Source: SEC filing DEFA14A

DEFA14A filed on 30 Apr 2026 for CIK 0001758009.

View Source Filing
Symbol
QUBT on Nasdaq
Industry
Services Prepackaged Software (Office Of Technology)
Business address
5 Marine View Plz, Suite 214, Hoboken, NJ, 07030
State of incorporation
DE
Fiscal year end
31 December

Quick Takeaways

  • Quantum Computing Inc. is an SEC filer tracked under CIK 0001758009.
  • 339 filings are listed on this profile.
  • Common form coverage includes DEFA14A, DEF 14A, PRER14A and more.

What Changed

  • Latest filing: DEFA14A filed on 30 Apr 2026.
  • Report period: not specified in filing header.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC filing DEFA14A

DEFA14A filed on 30 Apr 2026 for CIK 0001758009.

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Return Loop

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A newly filed DEFA14A can change the filing history, ownership context, or next research path for Quantum Computing Inc..

Latest source-backed update
DEFA14A filed 30 Apr 2026
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  • Latest filing on record: DEFA14A filed 30 Apr 2026.
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Latest update

What changed recently for Quantum Computing Inc.

New fact period available

Latest financial period: Q4 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

30 Apr 2026

Page type

Company facts

Latest period

Q4 2025

SEC-backed company facts were refreshed from filings filed on 30 Apr 2026.

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Benchmark Context

Benchmark context for this company

Quantum Computing Inc. has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

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Why this is notable

Latest financial period: Q4 2025. That gives you a fresh baseline before you compare this company with peers.

  • Latest company facts filing date: 30 Apr 2026.
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Company intelligence

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Active modules

3/5

Available company intelligence paths on this page.

Filings

339

SEC submissions provide the evidence trail.

Ownership context

1/3

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Filer Overview

Quantum Computing Inc. has filed 339 SEC EDGAR filings since 09 Jan 2019. Common forms include DEFA14A, DEF 14A, PRER14A, PRE 14A and more.

Services Prepackaged Software Insider transactions Latest 13F filings

Latest Filings

Recent SEC filings for Quantum Computing Inc. with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFINITIVE ADDITIONAL MATERIALS 30 Apr 2026 001-40615
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A PROXY STATEMENT 30 Apr 2026 24 Jun 2026 001-40615
PRER14A Open PRER14A document | Open XBRL data View SEC filing for PRER14A PROXY STATEMENT 29 Apr 2026 001-40615
PRE 14A Open PRE 14A document | Open XBRL data View SEC filing for PRE 14A PROXY STATEMENT 20 Apr 2026 20 Apr 2026 001-40615
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A AMENDMENT NO. 1 TO FORM 8-K 17 Apr 2026 02 Feb 2026 001-40615
4 Open 4 document View SEC filing for 4 14 Apr 2026 13 Apr 2026
4 Open 4 document View SEC filing for 4 14 Apr 2026 13 Apr 2026
4 Open 4 document View SEC filing for 4 14 Apr 2026 13 Apr 2026
4 Open 4 document View SEC filing for 4 14 Apr 2026 13 Apr 2026
4 Open 4 document View SEC filing for 4 14 Apr 2026 13 Apr 2026
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 27 Mar 2026 005-90765
4 Open 4 document View SEC filing for 4 11 Mar 2026 10 Mar 2026
144 Open 144 document View SEC filing for 144 11 Mar 2026 001-40615
144 Open 144 document View SEC filing for 144 10 Mar 2026 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 05 Mar 2026 05 Mar 2026 001-40615
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 02 Mar 2026 31 Dec 2025 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 02 Mar 2026 02 Mar 2026 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 03 Feb 2026 02 Feb 2026 001-40615
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 30 Jan 2026 005-90765
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 21 Jan 2026 005-90765
4 Open 4 document View SEC filing for 4 12 Jan 2026 31 Dec 2025
3 Open 3 document View SEC filing for 3 12 Jan 2026 02 May 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 12 Jan 2026 11 Jan 2026 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 17 Dec 2025 12 Dec 2025 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 15 Dec 2025 15 Dec 2025 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 14 Nov 2025 14 Nov 2025 001-40615
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Nov 2025 30 Sep 2025 001-40615
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 17 Oct 2025 005-90765
S-3ASR Open S-3ASR document | Open XBRL data View SEC filing for S-3ASR REGISTRATION STATEMENT 10 Oct 2025 333-290809
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 08 Oct 2025 05 Oct 2025 001-40615
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 02 Oct 2025 005-90765
S-3ASR Open S-3ASR document | Open XBRL data View SEC filing for S-3ASR REGISTRATION STATEMENT 01 Oct 2025 333-290678
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 24 Sep 2025 21 Sep 2025 001-40615
4 Open 4 document View SEC filing for 4 17 Sep 2025 12 Sep 2025
4 Open 4 document View SEC filing for 4 17 Sep 2025 09 Sep 2025
4 Open 4 document View SEC filing for 4 08 Sep 2025 18 Aug 2025
4 Open 4 document View SEC filing for 4 05 Sep 2025 04 Sep 2025
4 Open 4 document View SEC filing for 4 04 Sep 2025 18 Aug 2025
144 Open 144 document View SEC filing for 144 04 Sep 2025 001-40615
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Aug 2025 30 Jun 2025 001-40615
EFFECT Open EFFECT document View SEC filing for EFFECT 04 Aug 2025 333-289014
CORRESP Open CORRESP document View SEC filing for CORRESP 31 Jul 2025
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 30 Jul 2025 333-289014
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 29 Jul 2025 005-90765
S-1 Open S-1 document View SEC filing for S-1 REGISTRATION STATEMENT 29 Jul 2025 333-289014
4 Open 4 document View SEC filing for 4 15 Jul 2025 11 Jul 2025
EFFECT Open EFFECT document View SEC filing for EFFECT 14 Jul 2025 333-288502
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS 14 Jul 2025 333-288502
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Jul 2025
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 10 Jul 2025 333-288502
S-1 Open S-1 document View SEC filing for S-1 REGISTRATION STATEMENT 03 Jul 2025 333-288502
3 Open 3 document View SEC filing for 3 02 Jul 2025 20 Jun 2025
4 Open 4 document View SEC filing for 4 02 Jul 2025 30 Jun 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 25 Jun 2025 22 Jun 2025 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 20 Jun 2025 16 Jun 2025 001-40615
4 Open 4 document View SEC filing for 4 16 Jun 2025 12 Jun 2025
144/A Open 144/A document View SEC filing for 144/A 12 Jun 2025 001-40615
4 Open 4 document View SEC filing for 4 11 Jun 2025 09 Jun 2025
4 Open 4 document View SEC filing for 4 11 Jun 2025 03 Jun 2025
144 Open 144 document View SEC filing for 144 11 Jun 2025 001-40615
144 Open 144 document View SEC filing for 144 06 Jun 2025 001-40615
4 Open 4 document View SEC filing for 4 05 Jun 2025 22 May 2025
144 Open 144 document View SEC filing for 144 23 May 2025 001-40615
144 Open 144 document View SEC filing for 144 22 May 2025 001-40615
3 Open 3 document View SEC filing for 3 21 May 2025 02 May 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 20 May 2025 19 May 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 20 May 2025 19 May 2025
144 Open 144 document View SEC filing for 144 20 May 2025 001-40615
144 Open 144 document View SEC filing for 144 19 May 2025 001-40615
144 Open 144 document View SEC filing for 144 19 May 2025 001-40615
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 15 May 2025 31 Mar 2025 001-40615
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFINITIVE ADDITIONAL MATERIALS 09 May 2025 001-40615
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A PROXY STATEMENT 08 May 2025 18 Jun 2025 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 08 May 2025 02 May 2025 001-40615
4/A Open 4/A document View SEC filing for 4/A 07 May 2025 27 Mar 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 16 Apr 2025 11 Apr 2025 001-40615
4 Open 4 document View SEC filing for 4 04 Apr 2025 02 Apr 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Apr 2025 26 Mar 2025 001-40615
3 Open 3 document View SEC filing for 3 28 Mar 2025 26 Mar 2025
4 Open 4 document View SEC filing for 4 28 Mar 2025 27 Mar 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 26 Mar 2025 26 Mar 2025 001-40615
4 Open 4 document View SEC filing for 4 25 Mar 2025 25 Mar 2025
144 Open 144 document View SEC filing for 144 25 Mar 2025 001-40615
S-8 Open S-8 document View SEC filing for S-8 REGISTRATION STATEMENT 21 Mar 2025 333-286033
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 20 Mar 2025 31 Dec 2024 001-40615
4 Open 4 document View SEC filing for 4 21 Feb 2025 19 Feb 2025
4 Open 4 document View SEC filing for 4 21 Feb 2025 19 Feb 2025
4 Open 4 document View SEC filing for 4 21 Feb 2025 19 Feb 2025
4 Open 4 document View SEC filing for 4 21 Feb 2025 19 Feb 2025
4 Open 4 document View SEC filing for 4 21 Feb 2025 19 Feb 2025
4 Open 4 document View SEC filing for 4 21 Feb 2025 19 Feb 2025
4 Open 4 document View SEC filing for 4 21 Feb 2025 19 Feb 2025
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS 04 Feb 2025 333-284416
EFFECT Open EFFECT document View SEC filing for EFFECT 03 Feb 2025 333-284416
CORRESP Open CORRESP document View SEC filing for CORRESP 30 Jan 2025
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 29 Jan 2025 333-284416
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 REGISTRATION STATEMENT 22 Jan 2025 333-284416
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 08 Jan 2025 07 Jan 2025 001-40615
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS 07 Jan 2025 333-283955
EFFECT Open EFFECT document View SEC filing for EFFECT 06 Jan 2025 333-283955
CORRESP Open CORRESP document View SEC filing for CORRESP 02 Jan 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 31 Dec 2024 30 Dec 2024 001-40615
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 27 Dec 2024 333-283955
S-1 Open S-1 document View SEC filing for S-1 REGISTRATION STATEMENT 20 Dec 2024 333-283955
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 12 Dec 2024 10 Dec 2024 001-40615
424B5 Open 424B5 document View SEC filing for 424B5 PROSPECTUS SUPPLEMENT 12 Dec 2024 333-268064
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFINITIVE ADDITIONAL MATERIALS 19 Nov 2024 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 18 Nov 2024 18 Nov 2024 001-40615
424B5 Open 424B5 document View SEC filing for 424B5 PROSPECTUS SUPPLEMENT 18 Nov 2024 333-268064
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 15 Nov 2024 14 Nov 2024 001-40615
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 06 Nov 2024 30 Sep 2024 001-40615
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFINITIVE ADDITIONAL MATERIALS 04 Nov 2024 001-40615
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 01 Nov 2024 001-40615
DEF 14A Open DEF 14A document View SEC filing for DEF 14A PROXY STATEMENT 01 Nov 2024 10 Dec 2024 001-40615
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PROXY STATEMENT 09 Oct 2024 09 Oct 2024 001-40615
4 Open 4 document View SEC filing for 4 04 Oct 2024 04 Oct 2024
4 Open 4 document View SEC filing for 4 04 Oct 2024 04 Oct 2024
4 Open 4 document View SEC filing for 4 04 Oct 2024 04 Oct 2024
4 Open 4 document View SEC filing for 4 04 Oct 2024 03 Oct 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 02 Oct 2024 30 Jun 2024 001-40615
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 02 Oct 2024 31 Mar 2024 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 25 Sep 2024 20 Sep 2024 001-40615
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A AMENDMENT NO. 1 TO FORM 10-K 11 Sep 2024 31 Dec 2023 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 22 Aug 2024 20 Aug 2024 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 12 Aug 2024 06 Aug 2024 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 12 Aug 2024 06 Aug 2024 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 01 Aug 2024 01 Aug 2024 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 27 Jun 2024 24 Jun 2024 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 11 Jun 2024 06 Jun 2024 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 17 May 2024 13 May 2024 001-40615
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NOTIFICATION OF LATE FILING 15 May 2024 31 Mar 2024 001-40615
4 Open 4 document View SEC filing for 4 14 May 2024 10 May 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 08 May 2024 03 May 2024 001-40615
CORRESP Open CORRESP document View SEC filing for CORRESP 01 May 2024
3 Open 3 document View SEC filing for 3 29 Apr 2024 19 Apr 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 25 Apr 2024 19 Apr 2024 001-40615
4 Open 4 document View SEC filing for 4 22 Apr 2024 18 Apr 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 17 Apr 2024 001-40615
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 01 Apr 2024 31 Dec 2023 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 27 Mar 2024 26 Mar 2024 001-40615
4 Open 4 document View SEC filing for 4 25 Mar 2024 19 Mar 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 25 Mar 2024 19 Mar 2024 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 31 Jan 2024 25 Jan 2024 001-40615
4 Open 4 document View SEC filing for 4 29 Dec 2023 27 Dec 2023
4 Open 4 document View SEC filing for 4 29 Dec 2023 27 Dec 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 27 Nov 2023 20 Nov 2023 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 24 Nov 2023 16 Nov 2023 001-40615
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 13 Nov 2023 30 Sep 2023 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 09 Nov 2023 07 Nov 2023 001-40615
4 Open 4 document View SEC filing for 4 29 Sep 2023 27 Sep 2023
DEF 14A Open DEF 14A document View SEC filing for DEF 14A PROXY STATEMENT 27 Sep 2023 07 Nov 2023 001-40615
4 Open 4 document View SEC filing for 4 28 Aug 2023 25 Aug 2023
CORRESP Open CORRESP document View SEC filing for CORRESP 23 Aug 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 21 Aug 2023 17 Aug 2023 001-40615
424B5 Open 424B5 document View SEC filing for 424B5 PROSPECTUS SUPPLEMENT 18 Aug 2023 333-268064
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Aug 2023 30 Jun 2023 001-40615
4 Open 4 document View SEC filing for 4 31 Jul 2023 28 Jul 2023
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 21 Jul 2023 001-40615
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A AMENDMENT NO. 3 TO FORM 10-K 10 Jul 2023 31 Dec 2022 001-40615
4 Open 4 document View SEC filing for 4 07 Jul 2023 25 Nov 2022
3 Open 3 document View SEC filing for 3 07 Jul 2023 01 Jul 2023
4 Open 4 document View SEC filing for 4 28 Jun 2023 27 Jun 2023
144 Open 144 document View SEC filing for 144 27 Jun 2023 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 26 Jun 2023 21 Jun 2023 001-40615
CORRESP Open CORRESP document View SEC filing for CORRESP 26 Jun 2023
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A AMENDMENT NO. 2 TO FORM 10-K 26 Jun 2023 31 Dec 2022 001-40615
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A AMENDMENT NO. 2 TO FORM 8-K 26 Jun 2023 16 Jun 2022 001-40615
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 12 Jun 2023 001-40615
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 12 May 2023 31 Mar 2023 001-40615
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A AMENDMENT NO. 1 TO FORM 10-K 14 Apr 2023 31 Dec 2022 001-40615
4 Open 4 document View SEC filing for 4 05 Apr 2023 03 Apr 2023
4 Open 4 document View SEC filing for 4 05 Apr 2023 03 Apr 2023
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 30 Mar 2023 31 Dec 2022 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 30 Mar 2023 29 Mar 2023 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 16 Feb 2023 16 Feb 2023 001-40615
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 30 Jan 2023 26 Jan 2023
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 30 Jan 2023 26 Jan 2023
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 30 Jan 2023 26 Jan 2023
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 30 Jan 2023 26 Jan 2023
3 Open 3 document View SEC filing for 3 11 Jan 2023 04 Jan 2023
EFFECT Open EFFECT document View SEC filing for EFFECT 10 Jan 2023 333-269063
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 10 Jan 2023 04 Jan 2023 001-40615
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Jan 2023
S-3/A Open S-3/A document View SEC filing for S-3/A AMENDMENT NO. 1 TO FORM S-3 06 Jan 2023 333-269063
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 05 Jan 2023
S-3 Open S-3 document View SEC filing for S-3 REGISTRATION STATEMENT 29 Dec 2022 333-269063
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 06 Dec 2022 05 Dec 2022 001-40615
424B5 Open 424B5 document View SEC filing for 424B5 PROSPECTUS SUPPLEMENT 06 Dec 2022 333-268064
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Nov 2022 30 Sep 2022 001-40615
EFFECT Open EFFECT document View SEC filing for EFFECT 08 Nov 2022 333-268064
S-3/A Open S-3/A document View SEC filing for S-3/A AMENDMENT NO. 1 TO FORM S-3 04 Nov 2022 333-268064
CORRESP Open CORRESP document View SEC filing for CORRESP 04 Nov 2022
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 02 Nov 2022
S-3 Open S-3 document View SEC filing for S-3 REGISTRATION STATEMENT 28 Oct 2022 333-268064
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 19 Oct 2022 17 Oct 2022
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 19 Oct 2022 17 Oct 2022
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 19 Oct 2022 17 Oct 2022
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 19 Oct 2022 17 Oct 2022
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 19 Oct 2022 17 Oct 2022
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 19 Oct 2022 17 Oct 2022
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 19 Oct 2022 17 Oct 2022
4 Open 4 document View SEC filing for 4 18 Oct 2022 14 Oct 2022
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 18 Oct 2022 005-90765
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 28 Sep 2022 23 Sep 2022 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 26 Sep 2022 21 Sep 2022 001-40615
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFINITIVE ADDITIONAL MATERIALS 14 Sep 2022 001-40615
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A CURRENT REPORT 02 Sep 2022 16 Jun 2022 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 25 Aug 2022 25 Aug 2022 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 19 Aug 2022 19 Aug 2022 001-40615
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 15 Aug 2022 30 Jun 2022 001-40615
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 12 Aug 2022 21 Sep 2022 001-40615
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRELIMINARY PROXY STATEMENT 02 Aug 2022 02 Aug 2022 001-40615
424B3 Open 424B3 document View SEC filing for 424B3 FORM 424B3 01 Jul 2022 333-264518
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 27 Jun 2022 005-90765
3 Open 3 document View SEC filing for 3 27 Jun 2022 16 Jun 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 21 Jun 2022 14 Jun 2022 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 10 Jun 2022 06 Jun 2022 001-40615
EFFECT Open EFFECT document View SEC filing for EFFECT 02 Jun 2022 333-264518
CORRESP Open CORRESP document View SEC filing for CORRESP 01 Jun 2022
S-3/A Open S-3/A document View SEC filing for S-3/A AMENDMENT NO. 1 TO FORM S-3 01 Jun 2022 333-264518
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 23 May 2022 31 Mar 2022 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 23 May 2022 19 May 2022 001-40615
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NOTIFICATION OF LATE FILING 16 May 2022 31 Mar 2022 001-40615
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 02 May 2022
S-3 Open S-3 document View SEC filing for S-3 REGISTRATION STATEMENT 27 Apr 2022 333-264518
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 15 Mar 2022 31 Dec 2021 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 24 Feb 2022 18 Feb 2022 001-40615
4 Open 4 document View SEC filing for 4 26 Jan 2022 24 Jan 2022
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3 Open 3 document View SEC filing for 3 10 Jan 2022 30 Dec 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 03 Jan 2022 30 Dec 2021 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 17 Dec 2021 16 Dec 2021 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 17 Nov 2021 12 Nov 2021 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 17 Nov 2021 10 Nov 2021 001-40615
3 Open 3 document View SEC filing for 3 10 Nov 2021 17 Feb 2021
3 Open 3 document View SEC filing for 3 10 Nov 2021 22 Sep 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 05 Nov 2021 30 Sep 2021 001-40615
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 28 Sep 2021 12 Nov 2021 001-40615
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 24 Sep 2021 22 Sep 2021 001-40615
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 16 Aug 2021 30 Jun 2021 001-40615
CERT Open CERT document View SEC filing for CERT 14 Jul 2021 001-40615
8-A12B Open 8-A12B document View SEC filing for 8-A12B REGISTRATION OF CERTAIN CLASSES OF SECURITIES 14 Jul 2021 001-40615
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 02 Jul 2021 30 Jun 2021 000-56015
3 Open 3 document View SEC filing for 3 19 May 2021 29 Apr 2021
4 Open 4 document View SEC filing for 4 19 May 2021 26 Apr 2021
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10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 13 May 2021 31 Mar 2021 000-56015
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 30 Apr 2021 26 Apr 2021 000-56015
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 20 Apr 2021 20 Apr 2021 000-56015
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO SCHEDULE 13D 19 Apr 2021 005-90765
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO.1 TO SCHEDULE 13G 07 Apr 2021 005-90765
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 2 TO SCHEDULE 13D 07 Apr 2021 005-90765
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO SCHEDULE 13D 06 Apr 2021 005-90765
4 Open 4 document View SEC filing for 4 01 Apr 2021 21 Jan 2021
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 18 Mar 2021 31 Dec 2020 000-56015
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 23 Feb 2021 17 Feb 2021 000-56015
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 27 Jan 2021 21 Jan 2021 000-56015
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 25 Jan 2021 005-90765
D Open D document View SEC filing for D 05 Jan 2021 021-385319
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 05 Jan 2021 24 Dec 2020 000-56015
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 28 Dec 2020 19 Dec 2020 000-56015
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 18 Dec 2020 09 Dec 2020 000-56015
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 08 Dec 2020 27 Oct 2020 000-56015
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 13 Nov 2020 30 Sep 2020 000-56015
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 20 Oct 2020 19 Oct 2020 000-56015
D Open D document View SEC filing for D 28 Sep 2020 021-376473
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 17 Sep 2020 11 Sep 2020 000-56015
D Open D document View SEC filing for D 26 Aug 2020 021-374147
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 26 Aug 2020 24 Aug 2020 000-56015
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 19 Aug 2020 005-90765
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO SCHEDULE 13D 14 Aug 2020 005-90765
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 14 Aug 2020 005-90765
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 10 Aug 2020 30 Jun 2020 000-56015
4 Open 4 document View SEC filing for 4 07 Aug 2020 17 Jul 2020
4 Open 4 document View SEC filing for 4 06 Aug 2020 22 May 2020
4 Open 4 document View SEC filing for 4 06 Aug 2020 22 May 2020
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 03 Aug 2020 24 Jul 2020 000-56015
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 07 Jul 2020 005-90765
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 06 Jul 2020 01 Jul 2020 000-56015
EFFECT Open EFFECT document View SEC filing for EFFECT 03 Jun 2020 333-238586
S-1/A Open S-1/A document View SEC filing for S-1/A AMENDMENT NO. 2 TO FORM S-1 02 Jun 2020 333-238586
S-1/A Open S-1/A document View SEC filing for S-1/A AMENDMENT NO. 1 TO FORM S-1 02 Jun 2020 333-238586
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 02 Jun 2020 28 May 2020 000-56015
CORRESP Open CORRESP document View SEC filing for CORRESP 02 Jun 2020
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 29 May 2020
S-1 Open S-1 document View SEC filing for S-1 REGISTRATION STATEMENT 21 May 2020 333-238586
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 12 May 2020 31 Mar 2020 000-56015
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 08 May 2020 06 May 2020 000-56015
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 08 May 2020 06 May 2020 000-56015
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 27 Mar 2020 31 Dec 2019 000-56015
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 26 Mar 2020 26 Mar 2020 000-56015
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS SUPPLEMENT 25 Feb 2020 333-235079
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 25 Feb 2020 14 Feb 2020 000-56015
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS 18 Dec 2019 333-235079
EFFECT Open EFFECT document View SEC filing for EFFECT 06 Dec 2019 333-235079
CORRESP Open CORRESP document View SEC filing for CORRESP 04 Dec 2019
S-1/A Open S-1/A document View SEC filing for S-1/A AMENDMENT NO.1 TO FORM S-1 04 Dec 2019 333-235079
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 27 Nov 2019
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 REGISTRATION STATEMENT 22 Nov 2019 333-235079
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 13 Nov 2019 30 Sep 2019 000-56015
DEF 14C Open DEF 14C document View SEC filing for DEF 14C DEFINITIVE ADDITIONAL MATERIALS 25 Oct 2019 25 Oct 2019 000-56015
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 18 Oct 2019 16 Oct 2019 000-56015
PRER14C Open PRER14C document View SEC filing for PRER14C AMENDMENT NO. 1 TO PRELIMINARY INFORMATION STATEMENT 10 Sep 2019 000-56015
PRE 14C Open PRE 14C document View SEC filing for PRE 14C PRELIMINARY INFORMATION STATEMENT 06 Sep 2019 06 Sep 2019 000-56015
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 05 Sep 2019 05 Sep 2019 000-56015
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 02 Aug 2019 30 Jun 2019 000-56015
10-Q/A Open 10-Q/A document | Open XBRL data View SEC filing for 10-Q/A AMENDMENT NO. 1 TO FORM 10-Q 07 Jun 2019 31 Mar 2019 000-56015
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A AMENDMENT NO. 3 TO ANNUAL REPORT 07 Jun 2019 31 Dec 2018 000-56015
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 29 May 2019 28 May 2019 000-56015
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 28 May 2019
10-12G/A Open 10-12G/A document View SEC filing for 10-12G/A AMENDMENT NO. 3 TO FORM 10-12G 23 May 2019 000-56015
CORRESP Open CORRESP document View SEC filing for CORRESP 23 May 2019
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 22 May 2019
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 17 May 2019 005-90765
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 May 2019 31 Mar 2019 000-56015
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A AMENDMENT NO. 2 TO FORM 10-K 10 May 2019 31 Dec 2018 000-56015
10-12G/A Open 10-12G/A document View SEC filing for 10-12G/A AMENDMENT NO. 2 TO FORM 10-12G 10 May 2019 000-56015
CORRESP Open CORRESP document View SEC filing for CORRESP 10 May 2019
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 30 Apr 2019
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A AMENDMENT NO. 1 TO FORM 10-K 26 Apr 2019 31 Dec 2018 000-56015
10-12G/A Open 10-12G/A document View SEC filing for 10-12G/A AMENDMENT NO. 1 TO FORM 10-12G 15 Apr 2019 000-56015
CORRESP Open CORRESP document View SEC filing for CORRESP 15 Apr 2019
D/A Open D/A document View SEC filing for D/A 11 Apr 2019 021-335064
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 09 Apr 2019
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 28 Mar 2019 31 Dec 2018 000-56015
10-12G Open 10-12G document View SEC filing for 10-12G AMENDMENT NO. 1 TO FORM 10-12G 25 Mar 2019 000-56015
D Open D document View SEC filing for D 18 Mar 2019 021-335064
D Open D document View SEC filing for D 18 Mar 2019 021-335062
D Open D document View SEC filing for D 18 Mar 2019 021-335061
RW Open RW document View SEC filing for RW REGISTRATION WITHDRAWAL REQUEST 08 Mar 2019 000-56015
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 01 Mar 2019 30 Jan 2019 000-56015
3 Open 3 document View SEC filing for 3 22 Jan 2019 09 Jan 2019
3 Open 3 document View SEC filing for 3 15 Jan 2019 09 Jan 2019
3 Open 3 document View SEC filing for 3 10 Jan 2019 09 Jan 2019
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 10 Jan 2019 005-90765
3 Open 3 document View SEC filing for 3 10 Jan 2019 09 Jan 2019
3 Open 3 document View SEC filing for 3 09 Jan 2019 09 Jan 2019
10-12G Open 10-12G document View SEC filing for 10-12G GENERAL FORM FOR REGISTRATION OF SECURITIES 09 Jan 2019 000-56015

About this filer

Quantum Computing Inc. files with the SEC under CIK 0001758009. This page aggregates EDGAR filings and related ownership activity.

Industry: Services Prepackaged Software.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
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New filings appear as the SEC updates EDGAR, and older records can vary by availability.
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Updates follow new EDGAR submissions and periodic data refreshes.
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