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

Reporting relationship: CFO and General Counsel
Issuer ticker: QUBT
Reported as of: 10 Mar 2026
Net transaction value: -$614,499
SEC form: 4
Accepted by SEC: 11 Mar 2026, 19:21:16 UTC
Prior SEC filing: 15 Jul 2025
Source filing: View source filing
Reporting owner signature: /s/ Christopher Bruce Roberts

Key filing fact

Christopher Bruce Roberts filed Form 4 for Quantum Computing Inc. (QUBT) on 11 Mar 2026.

Key facts

This page summarizes Christopher Bruce Roberts's Form 4 filing for Quantum Computing Inc. (QUBT).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 11 Mar 2026, 19:21.

Change

Previous filing in this sequence was filed on 15 Jul 2025.
Current net transaction value: -$614,499.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001757685 Primary reporting owner

Roberts Christopher Bruce

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

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

QUBT transaction

Common Stock

Options Exercise

Transaction value
Shares: +400,000
Change %: +50%
Price: $6.85^*
Shares after: 1,201,300
Date: 10 Mar 2026
Ownership: Direct

QUBT transaction

Common Stock

Sale

Transaction value: $541,005
Shares: -68,902
Change %: -5.7%
Price: $7.85
Shares after: 1,132,398
Date: 10 Mar 2026
Ownership: Direct
Footnotes: F1, F2

QUBT transaction

Common Stock

Sale

Transaction value: $73,495
Shares: -9,360
Change %: -0.83%
Price: $7.85
Shares after: 1,123,038
Date: 11 Mar 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

QUBT transaction Derivative

Employee Stock Option (right to buy)

Options Exercise

Transaction value
Shares: -400,000
Change %: -57%
Price: $0.000000^*
Shares after: 300,000
Date: 10 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 400,000
Exercise price: $6.85
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote 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.

Footnote 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.

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.