AMES SOPHIE C 4

What Happened

• Sophie C. Ames, Executive Vice President & CHRO of D-Wave Quantum Inc. (QBTS), had 23,850 shares withheld by the company on 2026-05-13 to satisfy tax withholding related to the vesting of restricted stock units. The withheld shares were recorded at $22.35 per share for a total value of $533,048. This was a tax-withholding disposition (not an open-market sale).

Key Details

• Transaction date: 2026-05-13; filing date: 2026-05-14 (timely).
• Price per share: $22.35; shares withheld/disposed: 23,850; total value: $533,048.
• Shares owned after transaction: not specified in the provided filing excerpt.
• Footnotes: F1 — shares withheld to satisfy tax withholding on RSU vesting; F2 — Ames holds 543,750 unvested RSUs.
• Transaction code: F (tax withholding).

Context

• This was a cashless tax-withholding action tied to RSU vesting, not a voluntary market sale; such withholding is routine and does not necessarily indicate insider sentiment about the stock.