SEC Filings for Quantum Computing Inc. (QUBT)

Last updated: 2026-03-27 17:10 UTC | Total filings: 328

Browse the latest SEC filings and forms submitted by Quantum Computing Inc. (QUBT). Access annual reports, quarterly statements, and other official disclosures.

View Insider Transactions for Quantum Computing Inc. (QUBT).

Search Company Filings →
Form Filing Date Description Link
SCHEDULE 13G/A March 27, 2026 - View Document
144 March 11, 2026 - View Document
4 March 11, 2026 - View Document
144 March 10, 2026 - View Document
8-K March 5, 2026 CURRENT REPORT View Document
10-K March 2, 2026 ANNUAL REPORT View Document
8-K March 2, 2026 CURRENT REPORT View Document
8-K Feb. 3, 2026 CURRENT REPORT View Document
SCHEDULE 13G/A Jan. 30, 2026 - View Document
SCHEDULE 13G/A Jan. 21, 2026 - View Document
8-K Jan. 12, 2026 CURRENT REPORT View Document
4 Jan. 12, 2026 - View Document
3 Jan. 12, 2026 - View Document
8-K Dec. 17, 2025 CURRENT REPORT View Document
8-K Dec. 15, 2025 CURRENT REPORT View Document
8-K Nov. 14, 2025 CURRENT REPORT View Document
10-Q Nov. 14, 2025 QUARTERLY REPORT View Document
S-3ASR Oct. 10, 2025 REGISTRATION STATEMENT View Document
8-K Oct. 8, 2025 CURRENT REPORT View Document
SCHEDULE 13G Oct. 2, 2025 - View Document
S-3ASR Oct. 1, 2025 REGISTRATION STATEMENT View Document
8-K Sept. 24, 2025 CURRENT REPORT View Document
4 Sept. 17, 2025 - View Document
4 Sept. 17, 2025 - View Document
4 Sept. 8, 2025 - View Document
4 Sept. 5, 2025 - View Document
4 Sept. 4, 2025 - View Document
144 Sept. 4, 2025 - View Document
10-Q Aug. 14, 2025 QUARTERLY REPORT View Document
EFFECT Aug. 4, 2025 - View Document
CORRESP July 31, 2025 - View Document
UPLOAD July 30, 2025 - View Document
S-1 July 29, 2025 REGISTRATION STATEMENT View Document
SCHEDULE 13G July 29, 2025 - View Document
4 July 15, 2025 - View Document
EFFECT July 14, 2025 - View Document
424B3 July 14, 2025 PROSPECTUS View Document
UPLOAD July 10, 2025 - View Document
CORRESP July 10, 2025 - View Document
S-1 July 3, 2025 REGISTRATION STATEMENT View Document
3 July 2, 2025 - View Document
4 July 2, 2025 - View Document
8-K June 25, 2025 CURRENT REPORT View Document
8-K June 20, 2025 CURRENT REPORT View Document
4 June 16, 2025 - View Document
144/A June 12, 2025 - View Document
144 June 11, 2025 - View Document
4 June 11, 2025 - View Document
4 June 11, 2025 - View Document
144 June 6, 2025 - View Document
4 June 5, 2025 - View Document
144 May 23, 2025 - View Document
144 May 22, 2025 - View Document
3 May 21, 2025 - View Document
4 May 20, 2025 OWNERSHIP DOCUMENT View Document
4 May 20, 2025 OWNERSHIP DOCUMENT View Document
144 May 20, 2025 - View Document
144 May 19, 2025 - View Document
144 May 19, 2025 - View Document
10-Q May 15, 2025 QUARTERLY REPORT View Document
DEFA14A May 9, 2025 DEFINITIVE ADDITIONAL MATERIALS View Document
DEF 14A May 8, 2025 PROXY STATEMENT View Document
8-K May 8, 2025 CURRENT REPORT View Document
4/A May 7, 2025 - View Document
8-K April 16, 2025 CURRENT REPORT View Document
4 April 4, 2025 - View Document
8-K April 4, 2025 8-K View Document
4 March 28, 2025 - View Document
3 March 28, 2025 - View Document
8-K March 26, 2025 CURRENT REPORT View Document
4 March 25, 2025 - View Document
144 March 25, 2025 - View Document
S-8 March 21, 2025 REGISTRATION STATEMENT View Document
10-K March 20, 2025 ANNUAL REPORT View Document
4 Feb. 21, 2025 - View Document
4 Feb. 21, 2025 - View Document
4 Feb. 21, 2025 - View Document
4 Feb. 21, 2025 - View Document
4 Feb. 21, 2025 - View Document
4 Feb. 21, 2025 - View Document
4 Feb. 21, 2025 - View Document
424B3 Feb. 4, 2025 PROSPECTUS View Document
EFFECT Feb. 3, 2025 - View Document
CORRESP Jan. 30, 2025 - View Document
UPLOAD Jan. 29, 2025 - View Document
S-1 Jan. 22, 2025 REGISTRATION STATEMENT View Document
8-K Jan. 8, 2025 CURRENT REPORT View Document
424B3 Jan. 7, 2025 PROSPECTUS View Document
EFFECT Jan. 6, 2025 - View Document
CORRESP Jan. 2, 2025 - View Document
8-K Dec. 31, 2024 CURRENT REPORT View Document
UPLOAD Dec. 27, 2024 - View Document
S-1 Dec. 20, 2024 REGISTRATION STATEMENT View Document
424B5 Dec. 12, 2024 PROSPECTUS SUPPLEMENT View Document
8-K Dec. 12, 2024 CURRENT REPORT View Document
DEFA14A Nov. 19, 2024 DEFINITIVE ADDITIONAL MATERIALS View Document
8-K Nov. 18, 2024 CURRENT REPORT View Document
424B5 Nov. 18, 2024 PROSPECTUS SUPPLEMENT View Document
8-K Nov. 15, 2024 CURRENT REPORT View Document
10-Q Nov. 6, 2024 QUARTERLY REPORT View Document
DEFA14A Nov. 4, 2024 DEFINITIVE ADDITIONAL MATERIALS View Document
DEF 14A Nov. 1, 2024 PROXY STATEMENT View Document
UPLOAD Nov. 1, 2024 - View Document
PRE 14A Oct. 9, 2024 PROXY STATEMENT View Document
4 Oct. 4, 2024 - View Document
4 Oct. 4, 2024 - View Document
4 Oct. 4, 2024 - View Document
4 Oct. 4, 2024 - View Document
10-Q Oct. 2, 2024 QUARTERLY REPORT View Document
10-Q Oct. 2, 2024 QUARTERLY REPORT View Document
8-K Sept. 25, 2024 CURRENT REPORT View Document
10-K/A Sept. 11, 2024 AMENDMENT NO. 1 TO FORM 10-K View Document
8-K Aug. 22, 2024 CURRENT REPORT View Document
8-K Aug. 12, 2024 CURRENT REPORT View Document
8-K Aug. 12, 2024 CURRENT REPORT View Document
8-K Aug. 1, 2024 CURRENT REPORT View Document
8-K June 27, 2024 CURRENT REPORT View Document
8-K June 11, 2024 CURRENT REPORT View Document
8-K May 17, 2024 CURRENT REPORT View Document
NT 10-Q May 15, 2024 NOTIFICATION OF LATE FILING View Document
4 May 14, 2024 - View Document
8-K May 8, 2024 CURRENT REPORT View Document
CORRESP May 1, 2024 - View Document
3 April 29, 2024 - View Document
8-K April 25, 2024 CURRENT REPORT View Document
4 April 22, 2024 - View Document
UPLOAD April 17, 2024 - View Document
10-K April 1, 2024 ANNUAL REPORT View Document
8-K March 27, 2024 CURRENT REPORT View Document
8-K March 25, 2024 CURRENT REPORT View Document
4 March 25, 2024 - View Document
8-K Jan. 31, 2024 CURRENT REPORT View Document
4 Dec. 29, 2023 - View Document
4 Dec. 29, 2023 - View Document
8-K Nov. 27, 2023 CURRENT REPORT View Document
8-K Nov. 24, 2023 CURRENT REPORT View Document
10-Q Nov. 13, 2023 QUARTERLY REPORT View Document
8-K Nov. 9, 2023 CURRENT REPORT View Document
4 Sept. 29, 2023 - View Document
DEF 14A Sept. 27, 2023 PROXY STATEMENT View Document
4 Aug. 28, 2023 - View Document
CORRESP Aug. 23, 2023 - View Document
8-K Aug. 21, 2023 CURRENT REPORT View Document
424B5 Aug. 18, 2023 PROSPECTUS SUPPLEMENT View Document
10-Q Aug. 14, 2023 QUARTERLY REPORT View Document
4 July 31, 2023 - View Document
UPLOAD July 21, 2023 - View Document
10-K/A July 10, 2023 AMENDMENT NO. 3 TO FORM 10-K View Document
4 July 7, 2023 - View Document
3 July 7, 2023 - View Document
4 June 28, 2023 - View Document
144 June 27, 2023 - View Document
8-K/A June 26, 2023 AMENDMENT NO. 2 TO FORM 8-K View Document
10-K/A June 26, 2023 AMENDMENT NO. 2 TO FORM 10-K View Document
CORRESP June 26, 2023 - View Document
8-K June 26, 2023 CURRENT REPORT View Document
UPLOAD June 12, 2023 - View Document
10-Q May 12, 2023 QUARTERLY REPORT View Document
10-K/A April 14, 2023 AMENDMENT NO. 1 TO FORM 10-K View Document
4 April 5, 2023 - View Document
4 April 5, 2023 - View Document
10-K March 30, 2023 ANNUAL REPORT View Document
8-K March 30, 2023 CURRENT REPORT View Document
8-K Feb. 16, 2023 CURRENT REPORT View Document
4 Jan. 30, 2023 OWNERSHIP DOCUMENT View Document
4 Jan. 30, 2023 OWNERSHIP DOCUMENT View Document
4 Jan. 30, 2023 OWNERSHIP DOCUMENT View Document
4 Jan. 30, 2023 OWNERSHIP DOCUMENT View Document
3 Jan. 11, 2023 - View Document
EFFECT Jan. 10, 2023 - View Document
8-K Jan. 10, 2023 CURRENT REPORT View Document
CORRESP Jan. 6, 2023 - View Document
S-3/A Jan. 6, 2023 AMENDMENT NO. 1 TO FORM S-3 View Document
UPLOAD Jan. 5, 2023 - View Document
S-3 Dec. 29, 2022 REGISTRATION STATEMENT View Document
8-K Dec. 6, 2022 CURRENT REPORT View Document
424B5 Dec. 6, 2022 PROSPECTUS SUPPLEMENT View Document
10-Q Nov. 14, 2022 QUARTERLY REPORT View Document
EFFECT Nov. 8, 2022 - View Document
S-3/A Nov. 4, 2022 AMENDMENT NO. 1 TO FORM S-3 View Document
CORRESP Nov. 4, 2022 - View Document
UPLOAD Nov. 2, 2022 - View Document
S-3 Oct. 28, 2022 REGISTRATION STATEMENT View Document
4 Oct. 19, 2022 OWNERSHIP DOCUMENT View Document
4 Oct. 19, 2022 OWNERSHIP DOCUMENT View Document
4 Oct. 19, 2022 OWNERSHIP DOCUMENT View Document
4 Oct. 19, 2022 OWNERSHIP DOCUMENT View Document
4 Oct. 19, 2022 OWNERSHIP DOCUMENT View Document
4 Oct. 19, 2022 OWNERSHIP DOCUMENT View Document
4 Oct. 19, 2022 OWNERSHIP DOCUMENT View Document
SC 13D/A Oct. 18, 2022 SC 13D/A View Document
4 Oct. 18, 2022 - View Document
8-K Sept. 28, 2022 CURRENT REPORT View Document
8-K Sept. 26, 2022 CURRENT REPORT View Document
DEFA14A Sept. 14, 2022 DEFINITIVE ADDITIONAL MATERIALS View Document
8-K/A Sept. 2, 2022 CURRENT REPORT View Document
8-K Aug. 25, 2022 CURRENT REPORT View Document
8-K Aug. 19, 2022 CURRENT REPORT View Document
10-Q Aug. 15, 2022 QUARTERLY REPORT View Document
DEF 14A Aug. 12, 2022 DEFINITIVE PROXY STATEMENT View Document
PRE 14A Aug. 2, 2022 PRELIMINARY PROXY STATEMENT View Document
424B3 July 1, 2022 FORM 424B3 View Document
SC 13D June 27, 2022 SC 13D View Document
3 June 27, 2022 - View Document
8-K June 21, 2022 CURRENT REPORT View Document
8-K June 10, 2022 CURRENT REPORT View Document
EFFECT June 2, 2022 - View Document
CORRESP June 1, 2022 - View Document
S-3/A June 1, 2022 AMENDMENT NO. 1 TO FORM S-3 View Document
10-Q May 23, 2022 QUARTERLY REPORT View Document
8-K May 23, 2022 CURRENT REPORT View Document
NT 10-Q May 16, 2022 NOTIFICATION OF LATE FILING View Document
UPLOAD May 2, 2022 - View Document
S-3 April 27, 2022 REGISTRATION STATEMENT View Document
10-K March 15, 2022 ANNUAL REPORT View Document
8-K Feb. 24, 2022 CURRENT REPORT View Document
4 Jan. 26, 2022 - View Document
4 Jan. 26, 2022 - View Document
4 Jan. 26, 2022 - View Document
3 Jan. 10, 2022 - View Document
8-K Jan. 3, 2022 CURRENT REPORT View Document
8-K Dec. 17, 2021 CURRENT REPORT View Document
8-K Nov. 17, 2021 CURRENT REPORT View Document
8-K Nov. 17, 2021 - View Document
3 Nov. 10, 2021 - View Document
3 Nov. 10, 2021 - View Document
10-Q Nov. 5, 2021 QUARTERLY REPORT View Document
DEF 14A Sept. 28, 2021 DEFINITIVE PROXY STATEMENT View Document
8-K Sept. 24, 2021 CURRENT REPORT View Document
10-Q Aug. 16, 2021 QUARTERLY REPORT View Document
CERT July 14, 2021 - View Document
8-A12B July 14, 2021 REGISTRATION OF CERTAIN CLASSES OF SECURITIES View Document
8-K July 2, 2021 CURRENT REPORT View Document
4 May 19, 2021 - View Document
4 May 19, 2021 - View Document
3 May 19, 2021 - View Document
10-Q May 13, 2021 QUARTERLY REPORT View Document
8-K April 30, 2021 CURRENT REPORT View Document
8-K April 20, 2021 CURRENT REPORT View Document
SC 13D/A April 19, 2021 AMENDMENT NO. 1 TO SCHEDULE 13D View Document
SC 13G/A April 7, 2021 AMENDMENT NO.1 TO SCHEDULE 13G View Document
SC 13D/A April 7, 2021 AMENDMENT NO. 2 TO SCHEDULE 13D View Document
SC 13D/A April 6, 2021 AMENDMENT NO. 1 TO SCHEDULE 13D View Document
4 April 1, 2021 - View Document
10-K March 18, 2021 ANNUAL REPORT View Document
8-K Feb. 23, 2021 CURRENT REPORT View Document
8-K Jan. 27, 2021 FORM 8-K View Document
SC 13G Jan. 25, 2021 SCHEDULE 13G View Document
8-K Jan. 5, 2021 FORM 8-K View Document
D Jan. 5, 2021 - View Document
8-K Dec. 28, 2020 CURRENT REPORT View Document
8-K Dec. 18, 2020 CURRENT REPORT View Document
8-K Dec. 8, 2020 CURRENT REPORT View Document
10-Q Nov. 13, 2020 QUARTERLY REPORT View Document
8-K Oct. 20, 2020 CURRENT REPORT View Document
D Sept. 28, 2020 - View Document
8-K Sept. 17, 2020 CURRENT REPORT View Document
D Aug. 26, 2020 - View Document
8-K Aug. 26, 2020 CURRENT REPORT View Document
SC 13D Aug. 19, 2020 SCHEDULE 13D View Document
SC 13D Aug. 14, 2020 SCHEDULE 13D View Document
SC 13D/A Aug. 14, 2020 AMENDMENT NO. 1 TO SCHEDULE 13D View Document
10-Q Aug. 10, 2020 QUARTERLY REPORT View Document
4 Aug. 7, 2020 - View Document
4 Aug. 6, 2020 - View Document
4 Aug. 6, 2020 - View Document
8-K Aug. 3, 2020 CURRENT REPORT View Document
SC 13G July 7, 2020 SCHEDULE 13G View Document
8-K July 6, 2020 CURRENT REPORT View Document
EFFECT June 3, 2020 - View Document
S-1/A June 2, 2020 AMENDMENT NO. 1 TO FORM S-1 View Document
S-1/A June 2, 2020 AMENDMENT NO. 2 TO FORM S-1 View Document
8-K June 2, 2020 CURRENT REPORT View Document
CORRESP June 2, 2020 - View Document
UPLOAD May 29, 2020 - View Document
S-1 May 21, 2020 REGISTRATION STATEMENT View Document
10-Q May 12, 2020 QUARTERLY REPORT View Document
8-K May 8, 2020 CURRENT REPORT View Document
8-K May 8, 2020 CURRENT REPORT View Document
10-K March 27, 2020 ANNUAL REPORT View Document
8-K March 26, 2020 FORM 8-K View Document
424B3 Feb. 25, 2020 PROSPECTUS SUPPLEMENT View Document
8-K Feb. 25, 2020 CURRENT REPORT View Document
424B3 Dec. 18, 2019 PROSPECTUS View Document
EFFECT Dec. 6, 2019 - View Document
S-1/A Dec. 4, 2019 AMENDMENT NO.1 TO FORM S-1 View Document
CORRESP Dec. 4, 2019 - View Document
UPLOAD Nov. 27, 2019 - View Document
S-1 Nov. 22, 2019 REGISTRATION STATEMENT View Document
10-Q Nov. 13, 2019 QUARTERLY REPORT View Document
DEF 14C Oct. 25, 2019 DEFINITIVE ADDITIONAL MATERIALS View Document
8-K Oct. 18, 2019 CURRENT REPORT View Document
PRER14C Sept. 10, 2019 AMENDMENT NO. 1 TO PRELIMINARY INFORMATION STATEMENT View Document
PRE 14C Sept. 6, 2019 PRELIMINARY INFORMATION STATEMENT View Document
8-K Sept. 5, 2019 FORM 8-K View Document
10-Q Aug. 2, 2019 QUARTERLY REPORT View Document
10-K/A June 7, 2019 AMENDMENT NO. 3 TO ANNUAL REPORT View Document
10-Q/A June 7, 2019 AMENDMENT NO. 1 TO FORM 10-Q View Document
8-K May 29, 2019 CURRENT REPORT View Document
UPLOAD May 28, 2019 - View Document
10-12G/A May 23, 2019 AMENDMENT NO. 3 TO FORM 10-12G View Document
CORRESP May 23, 2019 - View Document
UPLOAD May 22, 2019 - View Document
SC 13G May 17, 2019 SCHEDULE 13G View Document
10-Q May 14, 2019 QUARTERLY REPORT View Document
CORRESP May 10, 2019 - View Document
10-12G/A May 10, 2019 AMENDMENT NO. 2 TO FORM 10-12G View Document
10-K/A May 10, 2019 AMENDMENT NO. 2 TO FORM 10-K View Document
UPLOAD April 30, 2019 - View Document
10-K/A April 26, 2019 AMENDMENT NO. 1 TO FORM 10-K View Document
10-12G/A April 15, 2019 AMENDMENT NO. 1 TO FORM 10-12G View Document
CORRESP April 15, 2019 - View Document
D/A April 11, 2019 - View Document
UPLOAD April 9, 2019 - View Document
10-K March 28, 2019 ANNUAL REPORT View Document
10-12G March 25, 2019 AMENDMENT NO. 1 TO FORM 10-12G View Document
D March 18, 2019 - View Document
D March 18, 2019 - View Document
D March 18, 2019 - View Document
RW March 8, 2019 REGISTRATION WITHDRAWAL REQUEST View Document
8-K March 1, 2019 CURRENT REPORT View Document
3 Jan. 22, 2019 - View Document
3 Jan. 15, 2019 - View Document
3 Jan. 10, 2019 - View Document
3 Jan. 10, 2019 - View Document
SC 13D Jan. 10, 2019 SCHEDULE 13D View Document
10-12G Jan. 9, 2019 GENERAL FORM FOR REGISTRATION OF SECURITIES View Document
3 Jan. 9, 2019 - View Document