X0508 4 2025-06-25 false 0001811414 QuantumScape Corp QS 0001834019 Singh Mohit C/O QUANTUMSCAPE CORPORATION 1730 TECHNOLOGY DRIVE SAN JOSE CA 95110 false true false false CHIEF DEVELOPMENT OFFICER true Class A Common Stock 2025-06-25 4 M false 290000.00 1.3252 A 1931711.00 D Class A Common Stock 2025-06-25 4 S false 290000.00 5.9575 D 1641711.00 D Class A Common Stock 2025-06-26 4 M false 91631.00 1.3252 A 1733342.00 D Class A Common Stock 2025-06-26 4 M false 233369.00 2.377 A 1966711.00 D Class A Common Stock 2025-06-26 4 S false 325000.00 7.2111 D 1641711.00 D Stock Option (Right to Buy) 1.3252 2025-06-25 4 M false 290000.00 0.00 D 2017-04-01 2027-03-15 Class A Common Stock 290000.00 249713.00 D Stock Option (Right to Buy) 1.3252 2025-06-26 4 M false 91631.00 0.00 D 2017-04-01 2027-03-15 Class A Common Stock 91631.00 158082.00 D Stock Option (Right to Buy) 2.377 2025-06-26 4 M false 233369.00 0.00 D 2019-06-05 2029-06-05 Class A Common Stock 233369.00 369893.00 D The exercise and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2024. Includes 713 shares acquired under the Issuer's Employee Stock Purchase Plan on June 2, 2025. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.69 to $6.20, 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 $7.19 to $7.245, 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 1,437,698 shares represented by restricted stock units ("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. /s /Michael O McCarthy III, attorney-in-fact 2025-06-27