Quantinuum director Kenneth Denman files Form 3

Quantinuum Inc. director Kenneth D. Denman has filed an initial Form 3, which serves as a statement of his beneficial ownership as an insider.

Accepted by SEC EDGAR 06/04/2026 - 07:18 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Quantinuum Inc. director Kenneth D. Denman has filed an initial Form 3, which serves as a statement of his beneficial ownership as an insider. The filing identifies him as a director and not a ten percent owner, and the excerpt shows no reported transactions or derivative positions.

Key Terms

Form 3, reporting person, beneficial ownership, derivative securities

4 terms

Form 3 regulatory

"INSIDER FILING DATA (Form 3): {"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

reporting person regulatory

""reportingPersons": [ { "name": "DENMAN KENNETH D""

beneficial ownership financial

"serves as a statement of his beneficial ownership as an insider"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

derivative securities financial

"The derivative summary is empty and derivative transaction counts are zero"

Financial contracts whose value is tied to the price or performance of another asset, such as a stock, bond, commodity, index, or currency; examples include options, futures and swaps. They matter to investors because they let you protect against price swings, bet on future moves or gain larger exposure with less upfront cash—like using a lever or insurance policy on an investment—so they can amplify gains and losses and help manage portfolio risk.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Quantinuum (QNT) Form 3 for Kenneth D. Denman show?

The Form 3 shows that Kenneth D. Denman is a director of Quantinuum Inc. and a reporting person under SEC rules. In this excerpt, no specific transactions or derivative positions are reported, indicating a baseline insider ownership filing.

Is Kenneth D. Denman a ten percent owner of Quantinuum (QNT) according to this Form 3?

According to the Form 3 data, Kenneth D. Denman is listed as a director but not as a ten percent owner. This means his reported status triggers insider reporting, but his holdings are below the ten percent ownership threshold in this filing.

Does the Quantinuum (QNT) Form 3 for Kenneth D. Denman report any stock transactions?

The Form 3 excerpt shows no reported stock transactions for Kenneth D. Denman. The transactions section is empty and summary counts for buys, sells, exercises, gifts, and other actions are all zero in this initial ownership filing.

Are any derivative securities reported for Kenneth D. Denman in the Quantinuum (QNT) Form 3?

The Form 3 excerpt shows no derivative securities, such as options or warrants, reported for Kenneth D. Denman. The derivative summary is empty and derivative transaction counts are zero in this initial ownership statement.

Why is a Form 3 filing required for a Quantinuum (QNT) director like Kenneth D. Denman?

A Form 3 is required when someone becomes an insider, such as a director, of a public company. It provides an initial statement of that person’s beneficial ownership in Quantinuum Inc., establishing a baseline for future Form 4 or Form 5 updates.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

DENMAN KENNETH D

(Last) (First) (Middle)

C/O QUANTINUUM INC.

303 S TECHNOLOGY COURT

(Street)

BROOMFIELD COLORADO 80021

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
06/04/2026

3. Issuer Name and Ticker or Trading Symbol
Quantinuum Inc. [ QNT ]

3a. Foreign Trading Symbol

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

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

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

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit 24 - Power of Attorney.

No securities are beneficially owned.

	/s/ Rajeeb Hazra, Attorney-in-Fact	06/04/2026
	** 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 5 (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.
* Form 3: SEC 1473 (03-26)