4/AFiling Date: Jul 22, 2026

Quantinuum Inc. (QNT)

Statement of Changes in Beneficial Ownership

View SEC Filing
ACC: 0001193125-26-312779
Total Value$0
Trades1
Insiders1

Transaction Details

Schulman Robin
CLO & Corporate Secretary·Direct
Grant · Acquire
Class A Common Stock
Shares+125.00K
Price$0.00
Total Value$0
Shares Owned After125.00K
Transaction DateJul 17, 2026
Footnotes ▸

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.

Post-Transaction Holdings

Schulman Robin · CLO & Corporate Secretary
SecuritySharesChange
Class A Common Stock125.00K+125.00K
Original SEC Filing Textexpand_more
=== SEC Form 4/A — Statement of Changes in Beneficial Ownership === Document Type: 4/A Period of Report: 2026-07-17 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Quantinuum Inc. (QNT) CIK: 0002110105 --- Reporting Owner --- Name: Schulman Robin CIK: 0001627835 Role: Officer (CLO & Corporate Secretary) --- Non-Derivative Transactions --- [Transaction #1] Security: Class A Common Stock Date: 2026-07-17 | Code: A (Grant or award) Shares: +125,000 | Price: $0.00 Shares Owned After: 125,000 | Ownership: D (Direct) Footnotes: [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. --- Footnotes (Complete Index) --- 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. --- Signature --- /s/ /s/ Robin Schulman (2026-07-22)

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