Lawrence Joseph Stack - 04 Jun 2026 Form 3 Insider Report for Quantinuum Inc. (QNT)

Reporting relationship
Chief Commercial Officer
Issuer ticker
QNT
Reported as of
04 Jun 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
3
Accepted by SEC
04 Jun 2026, 19:18:46 UTC
Prior SEC filing
02 Apr 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Rajeeb Hazra, Attorney-in-Fact

Key filing fact

Lawrence Joseph Stack filed Form 3 for Quantinuum Inc. (QNT) on 04 Jun 2026.

Key facts

  • This page summarizes Lawrence Joseph Stack's Form 3 filing for Quantinuum Inc. (QNT).
  • 0 reported transactions and 0 derivative rows are listed below.
  • Accepted by SEC: 04 Jun 2026, 19:18.

Change

  • Previous filing in this sequence was filed on 02 Apr 2026.
  • Current net transaction value: $0.

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

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0002011273 Primary reporting owner

Stack Lawrence Joseph

Relationship
Chief Commercial Officer
Address
C/O QUANTINUUM INC., 303 S TECHNOLOGY COURT, BROOMFIELD
Signature
/s/ Rajeeb Hazra, Attorney-in-Fact
Signature date
04 Jun 2026

Reported non-derivative transactions

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

QNT holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
178,337
Date
04 Jun 2026
Ownership
Direct
Footnotes
F1
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents shares of restricted stock.

SEC remarks

Exhibit 24 - Power of Attorney

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