Christopher Bruce Roberts - 10 Mar 2026 Form 4 Insider Report for Quantum Computing Inc. (QUBT)

Role: CFO and General Counsel
Signature: /s/ Christopher Bruce Roberts
Issuer symbol: QUBT
Transactions as of: 10 Mar 2026
Net transactions value: -$614,499
Form type: 4
Filing time: 11 Mar 2026, 19:21:16 UTC
Previous filing: 15 Jul 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Roberts Christopher Bruce	CFO and General Counsel	5 MARINE VIEW PLAZA,, SUITE 214, HOBOKEN	/s/ Christopher Bruce Roberts	11 Mar 2026	0001757685

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	QUBT	Common Stock	Options Exercise		+400,000	+50%	$6.85^*	1,201,300	10 Mar 2026	Direct
transaction	QUBT	Common Stock	Sale	$541,005	-68,902	-5.7%	$7.85	1,132,398	10 Mar 2026	Direct	F1, F2
transaction	QUBT	Common Stock	Sale	$73,495	-9,360	-0.83%	$7.85	1,123,038	11 Mar 2026	Direct	F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	QUBT	Employee Stock Option (right to buy)	Options Exercise		-400,000	-57%	$0.000000^*	300,000	10 Mar 2026	Common Stock	400,000	$6.85	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	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.
F3	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.