Rory Gordon O'Byrne - 17 Jul 2026 Form 3 Insider Report for Quantinuum Inc. (QNT)

Reporting relationship: Chief HR Officer
Issuer ticker: QNT
Reported as of: 17 Jul 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 27 Jul 2026, 16:30:06 UTC
Source filing: View source filing
Reporting owner signature: /s/ Robin Schulman, Attorney-in-Fact

Key filing fact

Rory Gordon O'Byrne filed Form 3 for Quantinuum Inc. (QNT) on 27 Jul 2026.

Key facts

This page summarizes Rory Gordon O'Byrne's Form 3 filing for Quantinuum Inc. (QNT).
0 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 27 Jul 2026, 16:30.

Change

No earlier filing in this sequence is available for direct comparison.
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 0002143607 Primary reporting owner

O'Byrne Rory Gordon

Relationship: Chief HR Officer
Address: C/O QUANTINUUM INC., 303 S TECHNOLOGY COURT, BROOMFIELD
Signature: /s/ Robin Schulman, Attorney-in-Fact
Signature date: 27 Jul 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: 167,191
Date: 17 Jul 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 restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of Class A Common Stock. The RSUs will vest according to the applicable grant agreement.

SEC remarks

Exhibit 24 - Power of Attorney.