Diane Nguyen - 15 Sep 2026 Form 4 Insider Report for D-Wave Quantum Inc. (QBTS)

Reporting relationship: EVP, Chief Legal Officer & GC
Issuer ticker: QBTS
Reported as of: 15 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 16 Sep 2026, 18:07:39 UTC
Prior SEC filing: 18 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Diane Nguyen

Key filing fact

Diane Nguyen filed Form 4 for D-Wave Quantum Inc. (QBTS) on 16 Sep 2026.

Key facts

This page summarizes Diane Nguyen's Form 4 filing for D-Wave Quantum Inc. (QBTS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 16 Sep 2026, 18:07.

Change

Previous filing in this sequence was filed on 18 Aug 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 disclosures.

View source filing

Reporting Owners (1)

CIK 0001974777 Primary reporting owner

Nguyen Diane

Relationship: EVP, Chief Legal Officer & GC
Address: 2650 EAST BAYSHORE ROAD, PALO ALTO
Signature: /s/ Diane Nguyen
Signature date: 16 Sep 2026

Reported non-derivative transactions

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

QBTS transaction

Common Stock, par value $0.0001 per share ("Common Stock")

Tax liability

Transaction value
Shares: -3,191
Change %: -0.63%
Price: $16.83^*
Shares after: 503,302
Date: 15 Sep 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents shares of Common Stock withheld by the Issuer to satisfy tax withholding requirements in connection with the vesting of restricted stock units ("RSUs").

Footnote F2

Includes 169,962 unvested RSUs and (ii) and 643 shares of Common Stock acquired under the Employee Stock Purchase Plan ("ESPP") of the Issuer for the purchase period of December 1, 2025 to May 29, 2026. In accordance with the ESPP, such 643 shares of Common Stock were purchased at a price equal to 85% of the closing price of the Issuer's Common Stock on December 1, 2025.