Sophie C. Ames

CIK: 0002129321

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)3 (30.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)7 (70.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

QBTS

D-Wave Quantum Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (10 total)

QBTS
D-Wave Quantum Inc.
Oct 15, 2026
Tax Payment(F)
Direct
3.2K shares at avg. $12.03$38K
QBTS
D-Wave Quantum Inc.
Sep 15, 2026
Tax Payment(F)
Direct
1.5K shares at avg. $16.83$26K
QBTS
D-Wave Quantum Inc.
Aug 17, 2026
Tax Payment(F)
Direct
23.9K shares at avg. $21.17$505K
QBTS
D-Wave Quantum Inc.
Jul 20, 2026
Sale(S)
Direct
3.1K shares at avg. $16.95$52K
QBTS
D-Wave Quantum Inc.
Jul 14, 2026
Tax Payment(F)
Direct
3.2K shares at avg. $18.66$59K
QBTS
D-Wave Quantum Inc.
Jun 15, 2026
Tax Payment(F)
Direct
1.5K shares at avg. $23.37$36K
QBTS
D-Wave Quantum Inc.
May 20, 2026
Sale(S)
Direct
23K shares at avg. $18.98$437K
QBTS
D-Wave Quantum Inc.
May 13, 2026
Tax Payment(F)
Direct
23.9K shares at avg. $22.35$533K
QBTS
D-Wave Quantum Inc.
Apr 20, 2026
Sale(S)
Direct
3.1K shares at avg. $21.35$66K
QBTS
D-Wave Quantum Inc.
Apr 13, 2026
Tax Payment(F)
Direct
3.2K shares at avg. $14.25$45K

		Type	Shares	Price		Ownership
Oct 15, 2026	QBTS D-Wave Quantum Inc.	Tax Payment(F)	3,180	$12.03	$38,255	Direct
Sep 15, 2026	QBTS D-Wave Quantum Inc.	Tax Payment(F)	1,544	$16.83	$25,986	Direct
Aug 17, 2026	QBTS D-Wave Quantum Inc.	Tax Payment(F)	23,850	$21.17	$504,905	Direct
Jul 20, 2026	QBTS D-Wave Quantum Inc.	Sale(S)	3,070	$16.95	$52,042	Direct
Jul 14, 2026	QBTS D-Wave Quantum Inc.	Tax Payment(F)	3,180	$18.66	$59,339	Direct
Jun 15, 2026	QBTS D-Wave Quantum Inc.	Tax Payment(F)	1,544	$23.37	$36,083	Direct
May 20, 2026	QBTS D-Wave Quantum Inc.	Sale(S)	23,025	$18.98	$436,934	Direct
May 13, 2026	QBTS D-Wave Quantum Inc.	Tax Payment(F)	23,850	$22.35	$533,048	Direct
Apr 20, 2026	QBTS D-Wave Quantum Inc.	Sale(S)	3,070	$21.35	$65,548	Direct
Apr 13, 2026	QBTS D-Wave Quantum Inc.	Tax Payment(F)	3,180	$14.25	$45,315	Direct

1-10 of 10 transactions

About AMES SOPHIE C

AMES SOPHIE C (SEC CIK 0002129321) files insider reports with the SEC as Exec. Vice President & CHRO of D-Wave Quantum Inc. (QBTS).

Signal8 holds 11 ownership filings by AMES SOPHIE C (1 Form 3, 10 Form 4), filed between Apr 13, 2026 and Oct 16, 2026. Those filings report 10 transactions, from Apr 13, 2026 to Oct 15, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on AMES SOPHIE C's filings is in PALO ALTO, CA.

Recent filings by AMES SOPHIE C

Oct 15, 2026: Tax withholding of QBTS shares (Form 4, code F).
Sep 15, 2026: Tax withholding of QBTS shares (Form 4, code F).
Aug 17, 2026: Tax withholding of QBTS shares (Form 4, code F).
Jul 20, 2026: Open-market sale of QBTS shares (Form 4, code S).
Jul 14, 2026: Tax withholding of QBTS shares (Form 4, code F).

Other insiders filing for D-Wave Quantum Inc. (QBTS)

Krysler P. Kevan, Director
Nguyen Diane, EVP, Chief Legal Officer & GC
BARATZ ALAN E, President & CEO
GOLKOV GREGORY, Acting CFO & SVP, Finance
GAVGANI BERNARD, Director
BLACK STANLEY T, Exec. Vice President & CISO

How to read Form 4 transaction codes