[Form 4] QuantumScape Corp Insider Trading Activity

Rhea-AI Filing Summary

QuantumScape (QS) filed a Form 4 reporting insider activity. On 10/24/2025, a director exercised stock options for 400,000 shares at $6.2336 (code M), then sold 200,000 shares at a weighted average price of $15.0599 (range $14.965–$15.145) and 200,000 shares at a weighted average price of $16.4365 (range $16.145–$16.79) (code S).

Following these transactions, the director directly owned 122,476 Class A shares, which include 48,192 RSUs that settle into one share each upon vesting. Indirect holdings were reported as 249,720 shares by the 2011 Buss Family Trust and 70,000 shares by the Buss Family Heritage Trust dated December 24, 2020. The director also reported 1,007,612 derivative securities (stock options) beneficially owned after the transactions.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Buss Brad W

(Last) (First) (Middle)

C/O QUANTUMSCAPE CORPORATION

1730 TECHNOLOGY DRIVE

(Street)

SAN JOSE CA 95110

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
QuantumScape Corp [ QS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
10/24/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	10/24/2025		M		400,000	A	$6.2336	522,476	D
Class A Common Stock	10/24/2025		S		200,000	D	$15.0599(1)	322,476	D
Class A Common Stock	10/24/2025		S		200,000	D	$16.4365(2)	122,476(3)	D
Class A Common Stock								249,720	I	By: 2011 Buss Family Trust
Class A Common Stock								70,000	I	By: Buss Family Heritage Trust dated December 24, 2020, Bradley Buss and Deborah Buss as Trustees

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$6.2336	10/24/2025		M			400,000	08/02/2021	09/02/2030	Class A Common Stock	400,000	$0.00	1,007,612	D

Explanation of Responses:

1. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.965 to $15.145, 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.

2. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.145 to $16.79, 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.

3. Includes 48,192 shares represented by restricted stock units ("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.

Remarks:

	/s /Michael O McCarthy III, attorney-in-fact	10/28/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did QS report on Form 4?

A director exercised 400,000 stock options at $6.2336 and sold 200,000 shares at $15.0599 (weighted average) and 200,000 shares at $16.4365 (weighted average) on 10/24/2025.

How many QuantumScape shares did the insider own after the trades?

Direct ownership was 122,476 Class A shares after the reported transactions.

Were RSUs part of the reported QS holdings?

Yes. The direct holdings include 48,192 RSUs, each representing the right to receive one Class A share upon vesting.

What prices were the QS shares sold at?

Weighted averages of $15.0599 (range $14.965–$15.145) and $16.4365 (range $16.145–$16.79) for two 200,000-share sales.

What indirect QS holdings were disclosed?

249,720 shares by the 2011 Buss Family Trust and 70,000 shares by the Buss Family Heritage Trust dated December 24, 2020.

How many QS derivative securities remain after the transactions?

1,007,612 stock options were beneficially owned following the reported transactions.