Director Vimal Kapur joins Quantinuum (QNT) insider roster with Form 3

Rhea-AI Filing Summary

Quantinuum Inc. filed an initial beneficial ownership report for director Vimal Kapur on Form 3. This filing identifies Kapur as a director of the company but, in the provided data, shows no equity transactions and no reported holdings or derivative positions at this time.

Key Figures

Reported buy transactions: 0 shares Reported sell transactions: 0 shares Net buy/sell shares: 0 shares +1 more

4 metrics

Reported buy transactions 0 shares BuyShares in transaction summary

Reported sell transactions 0 shares SellShares in transaction summary

Net buy/sell shares 0 shares NetBuySellShares in transaction summary

Derivative transaction count 0 DerivativeTransactionCount in transaction summary

Key Terms

Form 3, beneficial ownership, reporting person, derivative securities

4 terms

Form 3 regulatory

"INSIDER FILING DATA (Form 3): initial beneficial ownership report"

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.

beneficial ownership financial

"initial statement of beneficial ownership for director Vimal Kapur"

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.

reporting person regulatory

"registers Kapur as a reporting person for Quantinuum Inc."

derivative securities financial

"No derivative securities are listed for Vimal Kapur; derivativeSummary is empty"

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.

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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^*

Kapur Vimal

(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)

FAQ

What does Quantinuum Inc. (QNT) disclose about Vimal Kapur in this Form 3?

The Form 3 identifies Vimal Kapur as a director of Quantinuum Inc. It is an initial statement of beneficial ownership, and the provided data show no reported share transactions or derivative positions for Kapur in this filing.

Does the Quantinuum (QNT) Form 3 for Vimal Kapur show any share purchases or sales?

No, the Form 3 data show no reported purchases or sales. Transaction counts and share amounts for buys, sells, exercises, gifts, and tax withholdings are all listed as zero, indicating no insider trading activity reported in this filing.

Are any derivative securities reported for Vimal Kapur in Quantinuum’s (QNT) Form 3?

No derivative securities are listed for Vimal Kapur in this Form 3. The derivativeSummary section is empty, and the derivative transaction count is zero, indicating no options, warrants, or similar instruments reported in this initial statement.

What is the purpose of this Quantinuum Inc. (QNT) Form 3 filing?

This Form 3 serves as an initial statement of beneficial ownership for director Vimal Kapur. It formally registers Kapur as a reporting person for Quantinuum Inc., even though no specific holdings or transactions are detailed in the provided data.

Does the Quantinuum (QNT) Form 3 show any net insider buying or selling by Vimal Kapur?

The Form 3 indicates no net buying or selling by Vimal Kapur. The transaction summary shows zero buy and sell shares, and the net buy/sell direction is described as neutral, reflecting the absence of reported trading activity.