Quantum Computing (QUBT)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-20 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Quantum Computing Inc. (QUBT) CIK: 0001758009 --- Reporting Owner --- Name: Huang Yuping CIK: 0001935476 Role: Director, Officer (CEO and President), 10%+ Owner --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-20 | Code: A (Grant or award) Shares: +584,897 | Price: $8.95 Total Value: $5,234,828.15 Shares Owned After: 21,531,173 | Ownership: D (Direct) Footnotes: [F1] On August 20, 2026, Dr. Yuping Huang exercised vested warrants (the "Warrants") to purchase 584,897 shares of common stock of the Registrant, which were acquired in the acquisition of QPhoton, Inc. by Quantum Computing Inc. in June 2022. --- Derivative Transactions --- [Transaction #1] Security: Warrants to Purchase Shares of Common Stock Date: 2026-08-20 | Code: X (Exercise of ITM/ATM derivative) Shares: -584,897 | Price: $0.00 Exercise Price: $8.95 Exercisable: N/A | Expires: 2027-06-16 Shares Owned After: 15,316 | Ownership: D (Direct) Footnotes: [F1] On August 20, 2026, Dr. Yuping Huang exercised vested warrants (the "Warrants") to purchase 584,897 shares of common stock of the Registrant, which were acquired in the acquisition of QPhoton, Inc. by Quantum Computing Inc. in June 2022. [F1] On August 20, 2026, Dr. Yuping Huang exercised vested warrants (the "Warrants") to purchase 584,897 shares of common stock of the Registrant, which were acquired in the acquisition of QPhoton, Inc. by Quantum Computing Inc. in June 2022. --- Footnotes (Complete Index) --- F1: On August 20, 2026, Dr. Yuping Huang exercised vested warrants (the "Warrants") to purchase 584,897 shares of common stock of the Registrant, which were acquired in the acquisition of QPhoton, Inc. by Quantum Computing Inc. in June 2022. --- Signature --- /s/ /s/ Yuping Huang (2026-08-21)