[Form 4] D-Wave Quantum Inc. Insider Trading Activity

Rhea-AI Filing Summary

D‑Wave Quantum (QBTS) Form 4: EVP, Chief Legal Officer & GC Diane Nguyen reported a sale of Common Stock on 10/14/2025. The filing shows 20,827 shares sold at a weighted average price of $43.7434 to cover statutory tax withholding upon RSU vesting. The issuer mandates a “sell to cover” approach under its equity incentive plans, so this was not a discretionary trade.

Following the transaction, the reporting person beneficially owns 588,845 shares, which includes 230,863 unvested restricted stock units. The sales occurred in multiple trades between $43.65 and $44.06, and the ownership is held directly.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Nguyen Diane

(Last) (First) (Middle)

2650 EAST BAYSHORE ROAD

(Street)

PALO ALTO CA 94303

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
D-Wave Quantum Inc. [ QBTS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Chief Legal Officer & GC

3. Date of Earliest Transaction (Month/Day/Year)
10/14/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, par value $0.0001 per share ("Common Stock")	10/14/2025		S(1)		20,827	D	$43.7434(2)	588,845(3)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the number of shares of Common Stock required to be sold to cover the statutory tax withholding obligations in connection with the vesting of restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of statutory tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

2. The sales price reported is the weighted average sale price for the number of shares sold. These shares were sold in multiple transactions at prices ranging from $43.65 to $44.06, inclusive. Full information regarding the number of shares sold at each separate price will be supplied upon request by Securities and Exchange Commission Staff, the Issuer or a security holder of the Issuer.

3. Includes 230,863 shares of unvested restricted stock units.

Remarks:

	/s/ Diane Nguyen	10/15/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did D‑Wave Quantum (QBTS) disclose on this Form 4?

An executive reported selling 20,827 shares of Common Stock on 10/14/2025 to cover tax withholding upon RSU vesting.

Was the QBTS insider trade discretionary?

No. The sale was mandated by the issuer’s sell to cover election for statutory tax withholding.

What price was received for the QBTS shares sold?

The weighted average sale price was $43.7434, with trades ranging from $43.65 to $44.06.

How many QBTS shares does the reporting person own after the sale?

Beneficial ownership is 588,845 shares, including 230,863 unvested RSUs.

Who is the reporting person on the QBTS Form 4?

Diane Nguyen, EVP, Chief Legal Officer & General Counsel.

What is the ownership form of the remaining shares?

The filing states the shares are held directly.