X0508 4 2025-11-18 false 0001811414 QuantumScape Corp QS 0001177264 MCCARTHY MICHAEL O III C/O QUANTUMSCAPE CORPORATION 1730 TECHNOLOGY DRIVE SAN JOSE CA 95110 false true false false CHIEF LEGAL OFFICER false Class A Common Stock 2025-11-18 4 F false 59108.00 13.0416 D 1158687.00 D Class A Common Stock 2025-11-18 4 F false 758.00 13.4609 D 1157929.00 D Class A Common Stock 137888.00 I By: Trust Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs") and performance restricted stock units ("PSUs"). The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.44 to $13.44, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.45 to $13.48, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4. Includes 1,081,514 shares represented by RSUs and 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 the grantor of the trust. /s/ Michael O. McCarthy, III 2025-11-20