Brad W. Buss - 03 Jun 2026 Form 4 Insider Report for QuantumScape Corp (QS)

Reporting relationship: Director
Issuer ticker: QS
Reported as of: 03 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 Jun 2026, 16:40:19 UTC
Prior SEC filing: 05 Mar 2026
Next SEC filing: 15 Jun 2026
Source filing: View source filing
Reporting owner signature: /s /Michael O McCarthy III, attorney-in-fact

Key filing fact

Brad W. Buss filed Form 4 for QuantumScape Corp (QS) on 05 Jun 2026.

Key facts

This page summarizes Brad W. Buss's Form 4 filing for QuantumScape Corp (QS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 05 Jun 2026, 16:40.

Change

Previous filing in this sequence was filed on 05 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001336664 Primary reporting owner

Buss Brad W

Relationship: Director
Address: C/O QUANTUMSCAPE CORPORATION, 1730 TECHNOLOGY DRIVE, SAN JOSE
Signature: /s /Michael O McCarthy III, attorney-in-fact
Signature date: 05 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

QS transaction

Class A Common Stock

Award

Transaction value
Shares: +24,183
Change %: +20%
Price: $0.000000^*
Shares after: 146,659
Date: 03 Jun 2026
Ownership: Direct
Footnotes: F1, F2

QS holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 249,720
Date: 03 Jun 2026
Ownership: By: 2011 Buss Family Trust

QS holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 70,000
Date: 03 Jun 2026
Ownership: By: Buss Family Heritage Trust dated December 24, 2020, Bradley Buss and Deborah Buss as Trustees

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

On June 3, 2026, the Issuer granted restricted stock units ("RSUs") to the Reporting Person as an annual award automatically granted under the Issuer's Outside Director Compensation Policy. Each RSU represents the Reporting Person's right to receive one share of Class A Common Stock of the Issuer. 100% of the RSUs shall vest on the earlier of the one-year anniversary of the annual meeting of stockholders held on June 3, 2026, or the day before the next annual meeting of stockholders, subject to the Reporting Person's continued service as of the vesting date.

Footnote F2

Includes 24,183 shares represented by RSUs. Each RSU represents the Reporting Person's right to receive one share of Class A Common Stock of the Issuer per the applicable vesting schedule, subject to the Reporting Person's continued service as of each vesting date.