[Form 4] Quantum Computing Inc. Insider Trading Activity

Rhea-AI Filing Summary

Robert B. Fagenson, a director of Quantum Computing Inc. (QUBT), reported multiple open-market sales of the company's common stock in a Form 4 filed September 17, 2025. The filings show a sequence of sales on September 9, 10, 11, 12 and 15, 2025 at prices ranging from $15.0199 to $16.882 per share. In total, the reporting person or an entity he manages sold 100,000 shares, and the reported beneficial ownership after the final reported transaction on September 15, 2025 is shown as 0 shares. The Form identifies the seller as Fagenson Fixed Income Partners, LLC, for which Mr. Fagenson is the managing member, and indicates the reporter files as an issuer director.

Positive

• Timely and complete disclosure of insider transactions via a signed Form 4 filed on 09/17/2025
• Transaction-level detail provided (dates, prices, and amounts) enables transparent investor analysis

Negative

• Large insider disposals totaling 100,000 shares across September 9–15, 2025
• Reported beneficial ownership reduced to 0 shares following the final reported transaction

Insights

Financial Analyst

TL;DR: Insider sold 100,000 shares across five trades, reducing reported beneficial ownership to zero; sales were at mid-teens per share.

The Form 4 documents routine open-market disposals rather than derivative exercises or transfers. Total dispositions of 100,000 shares occurred across transactions dated September 9–15, 2025 with execution prices between $15.0199 and $16.882. From a capital-markets perspective, the report provides clear transaction-level detail useful for modeling short-term share supply effects, but it does not include any explanation for the sales or any related corporate action.

Corporate Governance Expert

TL;DR: A company director and managing member of an affiliated LLC disposed of the entire reported stake; governance disclosure is complete but raises monitoring questions.

The filing shows the reporting person serves as a director and that the shares were sold by Fagenson Fixed Income Partners, LLC, for which he is managing member. The reported sequence of sales reduced beneficial ownership to 0 shares as of the last reported transaction. The Form 4 is properly signed and dated, meeting disclosure obligations; stakeholders may note the complete divestiture by a director, which is a material insider activity to monitor alongside other governance disclosures.

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

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

1. Name and Address of Reporting Person^*

FAGENSON ROBERT B

(Last) (First) (Middle)

5 MARINE VIEW PLZ #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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
09/09/2025

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	09/09/2025		S		15,000	D	$15.0199	85,000	I	See foonote(1)
Common Stock	09/10/2025		S		35,000	D	$15.5158	50,000	I	See foonote(1)
Common Stock	09/11/2025		S		30,000	D	$15.6294	20,000	I	See foonote(1)
Common Stock	09/12/2025		S		15,000	D	$15.6241	5,000	I	See foonote(1)
Common Stock	09/15/2025		S		5,000	D	$16.882	0	I	See foonote(1)

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

Explanation of Responses:

1. Fagenson Fixed Income Partners, LLC, for which the reporting person serves as managing member, sold a total of 100,000 shares of the Issuer's common stock from September 9 to September 12, 2025.

	/s/ Robert Fagenson	09/17/2025
	** 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 insider transactions did Robert B. Fagenson report for QUBT?

The Form 4 reports open-market sales totaling 100,000 shares on dates between 09/09/2025 and 09/15/2025.

How many shares did Fagenson Fixed Income Partners, LLC sell and at what prices?

The entity sold a total of 100,000 shares at prices ranging from $15.0199 to $16.882 per share across the reported transactions.

What was the reporting person's relationship to Quantum Computing Inc. (QUBT)?

The reporting person, Robert B. Fagenson, is reported as a director and is the managing member of Fagenson Fixed Income Partners, LLC.

What was the beneficial ownership after the reported transactions?

The Form 4 shows the reported beneficial ownership following the final reported transaction on 09/15/2025 as 0 shares.

When was the Form 4 signed and filed?

The Form 4 is signed by /s/ Robert Fagenson and dated 09/17/2025.