Quantum Computing (QUBT) CFO exercises 400,000 options and sells stock

Rhea-AI Filing Summary

Quantum Computing Inc. CFO and General Counsel Christopher Bruce Roberts exercised employee stock options for 400,000 shares of common stock at an exercise price of $6.85 per share. He then sold a total of 78,262 shares of common stock in open-market transactions at weighted-average prices around $7.85 per share.

According to the disclosure, these sales were made to cover the option exercise price, withholding tax obligations, and broker fees and commissions through a broker-assisted cashless exercise of options originally granted on April 26, 2021 under the 2019 Equity and Incentive Plan. After these transactions, Roberts directly holds 1,123,038 shares of common stock and 300,000 remaining stock options.

Insider Trade Summary

Net Seller: 78,262 shares ($614,499)

Net Sell 4 txns

Insider Roberts Christopher Bruce

Role CFO and General Counsel

Sold 78,262 shs ($614K)

Type	Security	Shares	Price	Value
Sale	Common Stock	9,360	$7.852	$73K
Exercise	Employee Stock Option (right to buy)	400,000	$0.00	--
Exercise	Common Stock	400,000	$6.85	$2.74M
Sale	Common Stock	68,902	$7.8518	$541K

Holdings After Transaction: Common Stock — 1,123,038 shares (Direct); Employee Stock Option (right to buy) — 300,000 shares (Direct)

Footnotes (1)

1. Sale of shares to cover the exercise price, withholding tax obligations and broker fees and commissions, pursuant to a broker assisted cashless exercise of vested stock options granted on April 26, 2021 under the 2019 Quantum Computing Inc. Equity and Incentive Plan. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $7.8500 to $7.8550 on March 10, 2026 and March 11, 2026. The Reporting Person undertakes to provide the Registrant, any securityholder of the Registrant, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The stock option was granted on April 26, 2021 (the "Date of Grant"), and had a vesting commencement date of April 26, 2021. The options vested as follows: (i) 150,000 Options vested immediately upon grant (ii) 83,333 Options vested on the 12-month anniversary of the Date of Grant (iii), 83,333 Options vested on the 24-month anniversary of the Date of Grant and (iv) 83,334 Options vested on the 36-month anniversary of the Date of Grant.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Roberts Christopher Bruce

(Last) (First) (Middle)

5 MARINE VIEW PLAZA,

SUITE 214

(Street)

HOBOKEN NJ 07030

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Quantum Computing Inc. [ QUBT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CFO and General Counsel

3. Date of Earliest Transaction (Month/Day/Year)
03/10/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/10/2026		M		400,000	A	$6.85	1,201,300	D
Common Stock	03/10/2026		S		68,902(1)	D	$7.8518(2)	1,132,398	D
Common Stock	03/11/2026		S		9,360(1)	D	$7.852(2)	1,123,038	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (right to buy)	$6.85	03/10/2026		M			400,000	(3)	05/25/2026	Common Stock	400,000	$0.0	300,000	D

Explanation of Responses:

1. Sale of shares to cover the exercise price, withholding tax obligations and broker fees and commissions, pursuant to a broker assisted cashless exercise of vested stock options granted on April 26, 2021 under the 2019 Quantum Computing Inc. Equity and Incentive Plan.

2. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $7.8500 to $7.8550 on March 10, 2026 and March 11, 2026. The Reporting Person undertakes to provide the Registrant, any securityholder of the Registrant, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

3. The stock option was granted on April 26, 2021 (the "Date of Grant"), and had a vesting commencement date of April 26, 2021. The options vested as follows: (i) 150,000 Options vested immediately upon grant (ii) 83,333 Options vested on the 12-month anniversary of the Date of Grant (iii), 83,333 Options vested on the 24-month anniversary of the Date of Grant and (iv) 83,334 Options vested on the 36-month anniversary of the Date of Grant.

	/s/ Christopher Bruce Roberts	03/11/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Quantum Computing Inc. (QUBT) CFO do in this Form 4 filing?

The CFO, Christopher Bruce Roberts, exercised employee stock options for 400,000 shares at $6.85 per share and sold 78,262 shares in the open market around $7.85. These actions reflect an option exercise combined with related share sales.

How many Quantum Computing Inc. (QUBT) shares did the CFO sell and at what price?

Christopher Bruce Roberts sold 78,262 shares of Quantum Computing Inc. common stock in open-market transactions at weighted-average prices around $7.85 per share. The trade prices ranged from $7.85 to $7.855 across March 10 and March 11, 2026, as disclosed.

Why were Quantum Computing Inc. (QUBT) shares sold in this Form 4?

The filing states the shares were sold to cover the stock option exercise price, withholding tax obligations, and broker fees and commissions. This occurred through a broker-assisted cashless exercise of vested stock options granted on April 26, 2021 under the 2019 equity plan.

How many Quantum Computing Inc. (QUBT) shares does the CFO own after these transactions?

Following the reported transactions, Christopher Bruce Roberts directly holds 1,123,038 shares of Quantum Computing Inc. common stock. The Form 4 also shows 300,000 stock options remaining after exercising 400,000 options tied to the same April 26, 2021 grant.

What stock options did the Quantum Computing Inc. (QUBT) CFO exercise?

He exercised employee stock options covering 400,000 shares of Quantum Computing Inc. common stock at an exercise price of $6.85 per share. These options were granted on April 26, 2021 and vested in four tranches between grant date and the 36‑month anniversary.

Are the Quantum Computing Inc. (QUBT) CFO’s share sales described as routine or discretionary?

The Form 4 explains the share sales were made to cover the option exercise price, related tax withholding, and broker fees via a broker-assisted cashless exercise. This language indicates the sales are tied to the mechanics of exercising vested options rather than standalone discretionary selling.