D-Wave Quantum (QBTS) EVP sells shares under 10b5-1 plan

Rhea-AI Filing Summary

D-Wave Quantum Inc. executive Sophie C. Ames sold 23,025 shares of common stock in an open-market transaction. The shares were sold at a weighted average price of $18.9765 per share, in multiple trades between $18.35 and $19.40. After the sale, she directly holds 596,803 shares, including 543,750 unvested restricted stock units. The transaction was executed automatically under a Rule 10b5-1 trading plan adopted on June 13, 2025 and modified on September 12, 2025.

Insider Trade Summary 10b5-1

Net Seller: 23,025 shares ($436,934)

Net Sell 1 txn

Insider AMES SOPHIE C

Role Exec. Vice President & CHRO

Sold 23,025 shs ($437K)

Type	Security	Shares	Price	Value
Sale	Common Stock, par value $0.0001 per share ("Common Stock")	23,025	$18.9765	$437K

Holdings After Transaction: Common Stock, par value $0.0001 per share ("Common Stock") — 596,803 shares (Direct, null)

Footnotes (1)

1. The reported sale of 23,025 shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 13, 2025 and modified on September 12, 2025. The sales price reported is the weighted average sale price for the number of shares of Common Stock sold. These shares were sold in multiple transactions at prices ranging from $18.35 to $19.40, 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. Includes 543,750 unvested restricted stock units.

Key Figures

Shares sold: 23,025 shares Weighted average sale price: $18.9765 per share Shares held after transaction: 596,803 shares +1 more

4 metrics

Shares sold 23,025 shares Open-market sale on May 20, 2026

Weighted average sale price $18.9765 per share Common stock sale range $18.35–$19.40

Shares held after transaction 596,803 shares Direct ownership following sale

Unvested RSUs included 543,750 units Part of post-transaction holdings

Key Terms

Rule 10b5-1 trading plan, weighted average sale price, restricted stock units, open-market sale

4 terms

Rule 10b5-1 trading plan regulatory

"occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average sale price financial

"The sales price reported is the weighted average sale price for the number of shares of Common Stock sold."

restricted stock units financial

"Includes 543,750 unvested restricted stock units."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Form 4 Insider Transactions: What Each Field Means →

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

AMES SOPHIE C

(Last) (First) (Middle)

2650 EAST BAYSHORE ROAD

(Street)

PALO ALTO CALIFORNIA 94303

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	Exec. Vice President & CHRO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

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

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

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

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")	05/20/2026		S		23,025(1)	D	$18.9765(2)	596,803(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. The reported sale of 23,025 shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 13, 2025 and modified on September 12, 2025.

2. The sales price reported is the weighted average sale price for the number of shares of Common Stock sold. These shares were sold in multiple transactions at prices ranging from $18.35 to $19.40, 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 543,750 unvested restricted stock units.

Remarks:

	/s/ Sophie C. Ames	05/21/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did D-Wave Quantum (QBTS) executive Sophie C. Ames report?

Sophie C. Ames reported selling 23,025 shares of D-Wave Quantum common stock. The sale was an open-market transaction under a Rule 10b5-1 trading plan, reflecting a pre-arranged disposition rather than a spontaneous trade decision.

At what price did Sophie C. Ames sell D-Wave Quantum (QBTS) shares?

She sold the 23,025 shares at a weighted average price of $18.9765 per share. Individual trades occurred between $18.35 and $19.40, and full trade-by-trade pricing is available to regulators, the issuer, or its shareholders upon request.

How many D-Wave Quantum (QBTS) shares does Sophie C. Ames hold after the reported sale?

Following the transaction, she directly holds 596,803 shares of D-Wave Quantum common stock. This total includes 543,750 unvested restricted stock units, which represent share-based compensation that is subject to vesting conditions over time.

Was the D-Wave Quantum (QBTS) insider sale by Sophie C. Ames pre-planned?

Yes. The filing states the 23,025-share sale occurred automatically under a Rule 10b5-1 trading plan. That plan was adopted on June 13, 2025 and later modified on September 12, 2025, indicating a structured, pre-arranged schedule for sales.

What does the weighted average sale price mean in the D-Wave Quantum (QBTS) Form 4?

The weighted average sale price of $18.9765 reflects multiple trades executed between $18.35 and $19.40. It averages the various sale prices based on shares sold at each price, simplifying disclosure while preserving full detail for parties who request it.