Robin Schulman - 17 Jul 2026 Form 4/A - Amendment Insider Report for Quantinuum Inc. (QNT)

Reporting relationship: CLO & Corporate Secretary
Issuer ticker: QNT
Reported as of: 17 Jul 2026
Net transaction value: $0
SEC form: 4/A - Amendment
Accepted by SEC: 22 Jul 2026, 20:44:28 UTC
Original report date: 21 Jul 2026
Prior SEC filing: 22 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Robin Schulman

Key filing fact

Robin Schulman filed Form 4/A - Amendment for Quantinuum Inc. (QNT) on 22 Jul 2026.

Key facts

This page summarizes Robin Schulman's Form 4/A - Amendment filing for Quantinuum Inc. (QNT).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 22 Jul 2026, 20:44.

Change

Previous filing in this sequence was filed on 22 Jun 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

Filed on Form 4

Ownership activity is grounded in SEC Form 4/A - Amendment disclosures.

View source filing

Reporting Owners (1)

CIK 0001627835 Primary reporting owner

Schulman Robin

Relationship: CLO & Corporate Secretary
Address: C/O QUANTINUUM INC., 303 S TECHNOLOGY COURT, BROOMFIELD
Signature: /s/ Robin Schulman
Signature date: 22 Jul 2026

Reported non-derivative transactions

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

QNT transaction

Class A Common Stock

Award

Transaction value
Shares: +125,000
Change %
Price: $0.000000^*
Shares after: 125,000
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 an award of 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

This Form 4 amendment is being filed to update the number of RSUs acquired by the Reporting Person on July 17, 2026.