Quantinuum director buys 13,000 shares at $60

Quantinuum Inc. director Vimal Kapur reported an open-market purchase of 13,000 shares of Class A Common Stock.

Rhea-AI Filing Summary

Quantinuum Inc. director Vimal Kapur reported an open-market purchase of 13,000 shares of Class A Common Stock. The transaction took place on 2026-06-05 at a price of $60.0000 per share. Following this purchase, Kapur directly holds 13,000 shares of Quantinuum common stock.

Insights

Equity governance analyst

Quantinuum director makes a straightforward open-market share purchase.

Director Vimal Kapur bought 13,000 shares of Quantinuum Inc. Class A Common Stock in an open-market transaction at $60.0000 per share. The filing shows this as a direct ownership position, not through an intermediary entity.

The transactionSummary indicates a single net-buy transaction totaling 13,000 shares, with no derivative exercises or sales. After the purchase, Kapur’s reported holdings are 13,000 shares, suggesting this filing reflects the establishment or expansion of his direct equity stake rather than routine option activity.

Insider Trade Summary

Net Buyer: 13,000 shares

Net Buy 1 txn

Insider Kapur Vimal

Role Director

Bought 13,000 shs ($780K)

Type	Security	Shares	Price	Value
Purchase	Class A Common Stock	13,000	$60.00	$780K

Holdings After Transaction: Class A Common Stock — 13,000 shares (Direct)

Key Figures

Shares purchased: 13,000 shares Purchase price: $60.0000 per share Shares owned after transaction: 13,000 shares +1 more

4 metrics

Shares purchased 13,000 shares Non-derivative open-market purchase on 2026-06-05

Purchase price $60.0000 per share Open-market transaction in Class A Common Stock

Shares owned after transaction 13,000 shares Total Class A Common Stock directly held following the purchase

Net buy shares 13,000 shares transactionSummary netBuySellShares for the reporting period

Key Terms

open-market purchase, Class A Common Stock, Form 4, net-buy

4 terms

open-market purchase financial

"The transaction is described as an open-market purchase of shares."

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

Class A Common Stock financial

"The security title is listed as Class A Common Stock."

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

Form 4 regulatory

"The insider transaction is reported on SEC Form 4."

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

net-buy financial

"The transactionSummary indicates a net-buy direction for 13,000 shares."

FAQ

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

What insider transaction did Quantinuum (QNT) director Vimal Kapur report?

Vimal Kapur reported buying 13,000 Quantinuum shares. The Form 4 shows an open-market purchase of 13,000 shares of Class A Common Stock at $60.0000 per share, recorded as a direct ownership position in the company.

On what date did the Quantinuum (QNT) director’s 13,000-share purchase occur?

The share purchase occurred on 2026-06-05. The Form 4 lists a single non-derivative transaction dated 2026-06-05, when director Vimal Kapur acquired 13,000 shares of Quantinuum’s Class A Common Stock in an open-market transaction.

What price did Quantinuum (QNT) director Vimal Kapur pay per share?

He paid $60.0000 per share. The filing specifies a transaction price of $60.0000 for each share of Class A Common Stock in the open-market purchase, covering all 13,000 shares acquired on 2026-06-05.

How many Quantinuum (QNT) shares does Vimal Kapur own after this transaction?

He holds 13,000 shares after the purchase. The Form 4 reports total shares following the transaction of 13,000, indicating Kapur’s direct ownership of Quantinuum Class A Common Stock after the open-market buy.

Was the Quantinuum (QNT) insider transaction a buy or a sell?

The transaction was a net buy of shares. Transaction details classify it as an open-market purchase with code P, and the transactionSummary shows 13,000 buy shares, zero sell shares, and a net-buy direction for the filing period.

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

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Accepted by SEC EDGAR 06/08/2026 - 04:31 PM Learn about SEC filing dates

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

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
Class A Common Stock	06/05/2026		P		13,000	A	$60	13,000	D

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:

Remarks:

	/s/ Rajeeb Hazra, Attorney-in-Fact	06/08/2026
	** 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 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.
* Form 4: SEC 1474 (03-26)