X0609 4 2026-05-18 false 0001811414 QuantumScape Corp QS 0001587067 Sivaram Srinivasan false C/O QUANTUMSCAPE CORPORATION 1730 TECHNOLOGY DRIVE SAN JOSE CA 95110 true true false false CHIEF EXECUTIVE OFFICER false Class A Common Stock 2026-05-18 4 F false 67369.00 7.3721 D 5160016.00 D Class A Common Stock 360000.00 I By: Trusts Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs"). This transaction was executed in multiple trades at prices ranging from $7.21 USD to $8.01 USD; the price reported above reflects the weighted average sale price. Includes 4,453,301 shares represented by RSUs and performance restricted stock units ("PSUs"). Each RSU/PSU represents the Reporting Person's right to receive one share of Class A Common Stock of the Issuer. The RSUs vest each quarter and the PSUs vest upon achievement of certain performance milestones, in both cases subject to the Reporting Person's continued service as of each vesting date. The Reporting Person is a Co-Trustee of the trusts and his family members are beneficiaries of the trusts. /s /Michael O McCarthy III, attorney-in-fact 2026-05-20