Reported relationships
Latest disclosed role at each company.
| Company | Last reported as | Report date | Published |
|---|---|---|---|
| Quantum Computing Inc.QUBT · Entity 4589 | Director · CEO and President · 10% owner | August 20, 2026 | August 25, 2026 |
Disclosed balances
About these balances
Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.
Quantum Computing Inc.
Report date August 20, 2026 · Filed August 25, 2026 · Amendment
Amendment: balances below belong to this corrected disclosure, not necessarily a complete replacement of earlier positions.
| Security / award | Ownership account | Disclosed shares / units | Disclosure context |
|---|---|---|---|
| Common StockSEC Table I · non-derivative | Direct | 21,531,173 |
Reported balance
After 2026-08-20 transaction · row 1
Amendment: may correct only part of an earlier disclosure.
1 source rowRow 1 · 2026-08-20 · Grant · Acquired 584,897 · Balance 21,531,173 F1: This Form 4/A is being filed solely to correct the exercise price of the warrants to purchase 584,897 shares of common stock of the Registrant, which were acquired in connection with the acquisition of QPhoton, Inc. by Quantum Computing Inc. in June 2022 and exercised on August 20, 2026. The correct exercise price of the warrants of $0.0001 per share was previously reported in the Form 3 filed by the reporting person on July 27, 2022. |
| Warrants to Purchase Shares of Common StockSEC Table II · derivative / convertible security · Conversion / exercise price $0.00 · Expires 2027-06-16 | Direct | 15,316 |
Reported balance
After 2026-08-20 transaction · row 2
Amendment: may correct only part of an earlier disclosure.
1 source rowRow 2 · 2026-08-20 · Other · Disposed 584,897 · Balance 15,316 F1: This Form 4/A is being filed solely to correct the exercise price of the warrants to purchase 584,897 shares of common stock of the Registrant, which were acquired in connection with the acquisition of QPhoton, Inc. by Quantum Computing Inc. in June 2022 and exercised on August 20, 2026. The correct exercise price of the warrants of $0.0001 per share was previously reported in the Form 3 filed by the reporting person on July 27, 2022. |
Filing footnotes · ownership attribution and instrument terms
F1: This Form 4/A is being filed solely to correct the exercise price of the warrants to purchase 584,897 shares of common stock of the Registrant, which were acquired in connection with the acquisition of QPhoton, Inc. by Quantum Computing Inc. in June 2022 and exercised on August 20, 2026. The correct exercise price of the warrants of $0.0001 per share was previously reported in the Form 3 filed by the reporting person on July 27, 2022.
Transaction history
JSON APIPurchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Company | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| August 20, 2026 Filed Aug 21, 2026 20:27 UTC | Quantum Computing Inc. QUBT · Entity 4589 | OtherWarrants to Purchase Shares of Common Stock · Derivative | 584,897 | $0.00 Strike: $8.95 | $0.00 |
DisclosureSEC source: 0001213900-26-092621 · ownership.xml · derivative · entry 2 Huang Yuping · CIK 0001935476 · Director · CEO and President · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 15,316 Underlying: Common Stock · 584,897 shares Expires 2027-06-16 F1 · security: 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 · derivative.exercise_date: 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. Read SEC document |
| August 20, 2026 Filed Aug 21, 2026 20:27 UTC | Quantum Computing Inc. QUBT · Entity 4589 | GrantCommon Stock | 584,897 | $8.95 | $5,234,828.15 |
DisclosureSEC source: 0001213900-26-092621 · ownership.xml · nonDerivative · entry 1 Huang Yuping · CIK 0001935476 · Director · CEO and President · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 21,531,173 F1 · shares: 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. Read SEC document |
| August 20, 2026 Filed Aug 25, 2026 01:01 UTC Amendment | Quantum Computing Inc. QUBT · Entity 4589 | OtherWarrants to Purchase Shares of Common Stock · Derivative | 584,897 | $0.00 Strike: $0.00 | $0.00 |
DisclosureSEC source: 0001213900-26-093204 · ownership.xml · derivative · entry 2 Huang Yuping · CIK 0001935476 · Director · CEO and President · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 15,316 Underlying: Common Stock · 584,897 shares Expires 2027-06-16 F1 · security: This Form 4/A is being filed solely to correct the exercise price of the warrants to purchase 584,897 shares of common stock of the Registrant, which were acquired in connection with the acquisition of QPhoton, Inc. by Quantum Computing Inc. in June 2022 and exercised on August 20, 2026. The correct exercise price of the warrants of $0.0001 per share was previously reported in the Form 3 filed by the reporting person on July 27, 2022. F1 · derivative.exercise_date: This Form 4/A is being filed solely to correct the exercise price of the warrants to purchase 584,897 shares of common stock of the Registrant, which were acquired in connection with the acquisition of QPhoton, Inc. by Quantum Computing Inc. in June 2022 and exercised on August 20, 2026. The correct exercise price of the warrants of $0.0001 per share was previously reported in the Form 3 filed by the reporting person on July 27, 2022. Read SEC document |
| August 20, 2026 Filed Aug 25, 2026 01:01 UTC Amendment | Quantum Computing Inc. QUBT · Entity 4589 | GrantCommon Stock | 584,897 | $0.00 | $58.49 |
DisclosureSEC source: 0001213900-26-093204 · ownership.xml · nonDerivative · entry 1 Huang Yuping · CIK 0001935476 · Director · CEO and President · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 21,531,173 F1 · shares: This Form 4/A is being filed solely to correct the exercise price of the warrants to purchase 584,897 shares of common stock of the Registrant, which were acquired in connection with the acquisition of QPhoton, Inc. by Quantum Computing Inc. in June 2022 and exercised on August 20, 2026. The correct exercise price of the warrants of $0.0001 per share was previously reported in the Form 3 filed by the reporting person on July 27, 2022. F1 · price: This Form 4/A is being filed solely to correct the exercise price of the warrants to purchase 584,897 shares of common stock of the Registrant, which were acquired in connection with the acquisition of QPhoton, Inc. by Quantum Computing Inc. in June 2022 and exercised on August 20, 2026. The correct exercise price of the warrants of $0.0001 per share was previously reported in the Form 3 filed by the reporting person on July 27, 2022. Read SEC document |
| May 28, 2026 Filed Jun 2, 2026 01:20 UTC | Quantum Computing Inc. QUBT · Entity 4589 | GrantOptions to Purchase Shares of Common Stock · Derivative | 23,588 | $0.00 Strike: $12.24 | $0.00 |
DisclosureSEC source: 0001213900-26-063729 · ownership.xml · derivative · entry 2 Huang Yuping · CIK 0001935476 · Director · CEO and President · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 437,938 Underlying: Common Stock · 23,588 shares Expires 2036-05-28 F2 · security: On May 28, 2026, the Reporting Person was granted stock options to purchase 23,588 shares of the Company's common stock at an exercise price of $12.24 per share, which was the closing price on the Nasdaq Stock Market on the grant date. The options have a ten-year term and will vest as follows: 1/3 of the options will vest on May 28, 2027, 1/3 of the options will vest on May 28, 2028 and 1/3 of the options will vest on May 28, 2029, in each case subject to the Reporting Person's continuous service through each applicable vesting date. F2 · derivative.exercise_date: On May 28, 2026, the Reporting Person was granted stock options to purchase 23,588 shares of the Company's common stock at an exercise price of $12.24 per share, which was the closing price on the Nasdaq Stock Market on the grant date. The options have a ten-year term and will vest as follows: 1/3 of the options will vest on May 28, 2027, 1/3 of the options will vest on May 28, 2028 and 1/3 of the options will vest on May 28, 2029, in each case subject to the Reporting Person's continuous service through each applicable vesting date. Read SEC document |
| May 28, 2026 Filed Jun 2, 2026 01:20 UTC | Quantum Computing Inc. QUBT · Entity 4589 | GrantCommon Stock | 58,558 | $0.00 | $0.00 |
DisclosureSEC source: 0001213900-26-063729 · ownership.xml · nonDerivative · entry 1 Huang Yuping · CIK 0001935476 · Director · CEO and President · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,946,276 F1 · shares: On May 28, 2026, the Reporting Person was granted 58,558 restricted stock units ("RSUs"). Each RSU represents the right to receive one share of the Company's common stock upon vesting. The RSUs will vest as follows: 1/3 of the RSUs will vest on May 28, 2027, 1/3 of the RSUs will vest on May 28, 2028 and 1/3 of the RSUs will vest on May 28, 2029, in each case subject to the Reporting Person's continuous service through each applicable vesting date. Read SEC document |
| September 12, 2025 Filed Sep 17, 2025 20:49 UTC | Quantum Computing Inc. QUBT · Entity 4589 | GiftCommon Stock | 400,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001213900-25-088609 · ownership.xml · nonDerivative · entry 1 Huang Yuping · CIK 0001935476 · Director · CEO, President · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,887,718 F1 · kind: Represents a bona fide gift of 400,000 shares of common stock by the Reporting Person to a charitable trust. Read SEC document |
| September 04, 2025 Filed Sep 5, 2025 23:08 UTC | Quantum Computing Inc. QUBT · Entity 4589 | SaleCommon Stock | 1,000,000 | $14.42 | $14,415,000.00 |
DisclosureSEC source: 0001213900-25-085204 · ownership.xml · nonDerivative · entry 1 Huang Yuping · CIK 0001935476 · Director · CEO, President · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 21,287,718 Read SEC document |
| June 30, 2025 Filed Jul 2, 2025 20:38 UTC | Quantum Computing Inc. QUBT · Entity 4589 | Exercise / conversionCommon Stock | 1,050,812 | $0.00 | $105.08 |
DisclosureSEC source: 0001213900-25-061060 · ownership.xml · nonDerivative · entry 1 Huang Yuping · CIK 0001935476 · Director · Interim CEO, President · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 22,287,718 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · shares: On June 30, 2025, Dr. Yuping Huang exercised vested warrants (the "Warrants") to purchase 1,050,812 shares of common stock, which were acquired in the acquisition of QPhoton, Inc. by Quantum Computing Inc. in June 2022. F2 · balance_after: The total number of shares of common stock beneficially owned directly by Dr. Yuping Huang includes: (i) 21,236,906 shares of common stock issued to Dr. Huang as merger consideration in the acquisition of QPhoton, Inc. by Quantum Computing Inc. in June 2022, and (ii) 1,050,812 shares of common stock issued upon conversion of the Warrants, both of which are registered under the registration statement on Form S-3 (File No. 333-269063) and excludes: 314,350 shares of common stock issuable upon exercise of vested options to purchase shares of common stock. Read SEC document |
| May 19, 2025 Filed May 21, 2025 00:05 UTC | Quantum Computing Inc. QUBT · Entity 4589 | SaleCommon Stock | 500,000 | $11.70 | $5,850,500.00 |
DisclosureSEC source: 0001213900-25-046137 · ownership.xml · nonDerivative · entry 1 Huang Yuping · CIK 0001935476 · Director · Chief Quantum Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 21,236,906 F1 · shares: Sale of common stock is for estate planning and family investment purposes and represents approximately 2% of Dr. Huang's beneficial ownership. F2 · balance_after: The total number of shares of common stock beneficially owned directly by Dr. Yuping Huang includes 21,236,906 shares of common stock issued to Dr. Huang as merger consideration in the acquisition of QPhoton, Inc.by Quantum Computing Inc. in June 2022, and subsequently registered under the registration statement on Form S-3 (File No. 333-269063) and excludes (i) 314,350 shares of common stock issuable upon exercise of vested options to purchase shares of common stock, and (ii) 856,252 shares of common stock issuable upon exercise of warrants to purchase shares of common stock. Read SEC document |
| March 27, 2025 Filed Mar 28, 2025 21:18 UTC | Quantum Computing Inc. QUBT · Entity 4589 | GiftCommon Stock | 2,000,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001013762-25-004251 · ownership.xml · nonDerivative · entry 1 Huang Yuping · CIK 0001935476 · Director · Chief Quantum Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 22,051,256 F1 · balance_after: The number of shares held reflects the transfer of 2,000,000 shares of Common Stock from the Reporting Person to the YH Family Trust of 2025, of which the Reporting Person's wife serves as trustee. Read SEC document |
| March 27, 2025 Filed May 7, 2025 15:30 UTC Amendment | Quantum Computing Inc. QUBT · Entity 4589 | GiftCommon Stock | 2,000,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001213900-25-040486 · ownership.xml · nonDerivative · entry 2 Huang Yuping · CIK 0001935476 · Director · Chief Quantum Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Indirect · By Trust Disclosed balance after: 2,000,000 F2 · security: The original Form 4 incorrectly reported that the Reporting Person did not retain beneficial ownership of the shares transferred to the Trust. This amendment is being filed to correct that error. Read SEC document |
| March 27, 2025 Filed May 7, 2025 15:30 UTC Amendment | Quantum Computing Inc. QUBT · Entity 4589 | GiftCommon Stock | 2,000,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001213900-25-040486 · ownership.xml · nonDerivative · entry 1 Huang Yuping · CIK 0001935476 · Director · Chief Quantum Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 22,051,256 F1 · security: Reflects the transfer of 2,000,000 shares of Common Stock from the Reporting Person to the YH Family Trust of 2025 (the "Trust"), of which the Reporting Person's minor children are the beneficiaries. Read SEC document |
| March 25, 2025 Filed Mar 26, 2025 00:29 UTC | Quantum Computing Inc. QUBT · Entity 4589 | SaleCommon Stock | 200,000 | $8.48 | $1,696,400.00 |
DisclosureSEC source: 0001013762-25-002360 · ownership.xml · nonDerivative · entry 1 Huang Yuping · CIK 0001935476 · Director · Chief Quantum Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 24,051,256 F1 · balance_after: The total number of shares of common stock beneficially owned by Dr. Huang consists of (i) 23,736,906 shares of common stock issued to Dr. Huang as merger consideration in the acquisition of QPhoton, Inc.by Quantum Computing Inc. in June 2022, and subsequently registered under the registration statement on Form S-3 (File No. 333-269063) and (ii) 314,350 shares of common stock issuable upon exercise of vested options to purchase shares of common stock. Read SEC document |
| February 19, 2025 Filed Feb 21, 2025 22:15 UTC | Quantum Computing Inc. QUBT · Entity 4589 | GrantOptions to purchase Common Stock · Derivative | 14,350 | $0.00 Strike: $7.96 | $0.00 |
DisclosureSEC source: 0001213900-25-016154 · ownership.xml · derivative · entry 1 Huang Yuping · CIK 0001935476 · Director · Chief Quantum Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 414,350 Underlying: Common Stock · 14,350 shares Expires 2030-02-19 F1 · shares: The options were issued to Mr. Huang pursuant to the Quantum Computing Inc. 2022 Equity and Incentive Plan and according to the terms of the Non-Qualified Stock Option Agreement by and between Mr. Huang and the Issuer. All of these options vest immediately upon grant. F1 · derivative.exercise_date: The options were issued to Mr. Huang pursuant to the Quantum Computing Inc. 2022 Equity and Incentive Plan and according to the terms of the Non-Qualified Stock Option Agreement by and between Mr. Huang and the Issuer. All of these options vest immediately upon grant. Read SEC document |
| June 27, 2023 Filed Jun 28, 2023 17:35 UTC | Quantum Computing Inc. QUBT · Entity 4589 | SaleCommon Stock | 100,000 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001019056-23-000295 · huang.xml · nonDerivative · entry 1 Huang Yuping · CIK 0001935476 · Director · Chief Quantum Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 23,936,906 F1 · price: Average execution price is $1.2912. Read SEC document |
| April 03, 2023 Filed Apr 5, 2023 21:00 UTC | Quantum Computing Inc. QUBT · Entity 4589 | GrantCommon Stock | 83,200 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001213900-23-027603 · ownership.xml · nonDerivative · entry 1 Huang Yuping · CIK 0001935476 · Director · Chief Quantum Officer · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 24,036,906 F1 · price: Represents shares of Common Stock of the Issuer, issued to Mr. Huang in lieu of cash bonus pursuant to the terms of his employment agreement. Read SEC document |
| October 17, 2022 Filed Oct 18, 2022 16:13 UTC | Quantum Computing Inc. QUBT · Entity 4589 | GrantCommon Stock | 19,253,920 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001019056-22-000625 · huang.xml · nonDerivative · entry 1 Huang Yuping · CIK 0001935476 · Director · Chief Quantum Officer · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 23,953,706 F1 · price: Acquired as a result of the conversion of 1,925,392 shares of Series B Preferred Stock on October 17, 2022. Read SEC document |
| October 14, 2022 Filed Oct 18, 2022 16:13 UTC | Quantum Computing Inc. QUBT · Entity 4589 | Exercise / conversionOptions to Purchase Shares of Common Stock · Derivative | 400,000 | $0.00 Strike: $2.37 | $0.00 |
DisclosureSEC source: 0001019056-22-000625 · huang.xml · derivative · entry 2 Huang Yuping · CIK 0001935476 · Director · Chief Quantum Officer · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 400,000 Underlying: Common Stock · 400,000 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · security: The stock options (the "Options") were issued to Dr. Huang on October 14, 2022 (the "Date of Grant"), pursuant to the 2019 Quantum Computing Inc. Equity and Incentive Plan and according to the terms of the employment agreement by and between Dr. Huang and the Issuer. The Options shall vest and become exercisable as follows: (i) 100,000 Options vested on the Date of Grant, (ii) 100,000 Options shall vest on the 12-month anniversary of the Date of Grant, (iii), 100,000 Options shall vest on the 24-month anniversary of the Date of Grant, and (iv) 100,000 Options shall vest on the 36-month anniversary of the Date of Grant. F2 · derivative.exercise_date: The stock options (the "Options") were issued to Dr. Huang on October 14, 2022 (the "Date of Grant"), pursuant to the 2019 Quantum Computing Inc. Equity and Incentive Plan and according to the terms of the employment agreement by and between Dr. Huang and the Issuer. The Options shall vest and become exercisable as follows: (i) 100,000 Options vested on the Date of Grant, (ii) 100,000 Options shall vest on the 12-month anniversary of the Date of Grant, (iii), 100,000 Options shall vest on the 24-month anniversary of the Date of Grant, and (iv) 100,000 Options shall vest on the 36-month anniversary of the Date of Grant. F2 · derivative.expiration_date: The stock options (the "Options") were issued to Dr. Huang on October 14, 2022 (the "Date of Grant"), pursuant to the 2019 Quantum Computing Inc. Equity and Incentive Plan and according to the terms of the employment agreement by and between Dr. Huang and the Issuer. The Options shall vest and become exercisable as follows: (i) 100,000 Options vested on the Date of Grant, (ii) 100,000 Options shall vest on the 12-month anniversary of the Date of Grant, (iii), 100,000 Options shall vest on the 24-month anniversary of the Date of Grant, and (iv) 100,000 Options shall vest on the 36-month anniversary of the Date of Grant. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.