X0508 4 2025-07-03 false 0001811414 QuantumScape Corp QS 0001834249 Holme Timothy C/O QUANTUMSCAPE CORPORATION 1730 TECHNOLOGY DRIVE SAN JOSE CA 95110 false true false false CHIEF TECHNOLOGY OFFICER true Class A Common Stock 2025-07-03 4 C false 48356.00 A 1866109.00 D Class A Common Stock 2025-07-03 4 C false 109979.00 A 109979.00 I By: The Holme 2020 Irrevocable Trust Class A Common Stock 2025-07-03 4 M false 197649.00 1.3252 A 2063758.00 D Class A Common Stock 2025-07-03 4 S false 358330.00 7.0252 D 1705428.00 D Class A Common Stock 2025-07-03 4 S false 98073.00 7.0252 D 11906.00 I By: The Holme 2020 Irrevocable Trust Class A Common Stock 2025-07-07 4 S false 43500.00 7.0178 D 1661928.00 D Class A Common Stock 2025-07-07 4 S false 11906.00 7.0178 D 0.00 I By: The Holme 2020 Irrevocable Trust Class B Common Stock 2025-07-03 4 C false 48356.00 0.00 D Class A Common Stock 48356.00 8469114.00 D Class B Common Stock 2025-07-03 4 C false 109979.00 0.00 D Class A Common Stock 109979.00 1708554.00 I By: The Holme 2020 Irrevocable Trust Stock Option (Right to Buy) 1.3252 2025-07-03 4 M false 197649.00 0.00 D 2017-04-01 2027-03-15 Class A Common Stock 197649.00 281989.00 D Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the Reporting Person's election and has no expiration date. 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 March 13, 2024. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.00 to $7.085, 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 $7.005 to $7.035, 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 2025-07-08