QS insider trades: 300k option exercise at $6.2336, two sales

Rhea-AI Filing Summary

QuantumScape (QS) director reported an option exercise and share sales. On 10/31/2025, the insider exercised stock options for 300,000 shares at an exercise price of $6.2336 per share (code M), then sold 125,000 shares at a weighted average price of $17.3665 and 175,000 shares at a weighted average price of $18.4101 (both code S).

Following these transactions, the insider directly owned 122,476 shares, which includes 48,192 RSUs subject to vesting. Indirect holdings reported were 249,720 shares by the 2011 Buss Family Trust and 70,000 shares by the Buss Family Heritage Trust. The insider also reported 707,612 derivative securities (stock options) remaining beneficially owned.

Prices marked as weighted averages reflect multiple trades within disclosed ranges; detailed breakdowns are available upon request.

Insider Trade Summary

Net Seller: 300,000 shares ($5,392,580)

Net Sell 6 txns

Insider Buss Brad W

Role Director

Sold 300,000 shs ($5.39M)

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy)	300,000	$0.00	--
Exercise	Class A Common Stock	300,000	$6.2336	$1.87M
Sale	Class A Common Stock	125,000	$17.3665	$2.17M
Sale	Class A Common Stock	175,000	$18.4101	$3.22M
holding	Class A Common Stock	--	--	--
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Stock Option (Right to Buy) — 707,612 shares (Direct); Class A Common Stock — 422,476 shares (Direct); Class A Common Stock — 249,720 shares (Indirect, By 2011 Buss Family Trust)

Footnotes (1)

1. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.26 to $17.44, 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 $18.40 to $18.475, 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 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.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 10/31/2025 - 06:57 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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)
10/31/2025

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	10/31/2025		M		300,000	A	$6.2336	422,476	D
Class A Common Stock	10/31/2025		S		125,000	D	$17.3665(1)	297,476	D
Class A Common Stock	10/31/2025		S		175,000	D	$18.4101(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	10/31/2025		M			300,000	08/02/2021	09/02/2030	Class A Common Stock	300,000	$0.00	707,612	D

Explanation of Responses:

1. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.26 to $17.44, 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.

2. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.40 to $18.475, 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	10/31/2025
	** 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 was reported for QS?

A director exercised 300,000 options at $6.2336 and sold 300,000 shares in two trades at weighted averages of $17.3665 and $18.4101 on 10/31/2025.

How many QS shares did the insider sell and at what prices?

They sold 125,000 shares at a weighted average of $17.3665 and 175,000 shares at a weighted average of $18.4101.

What is the insider’s QS direct share ownership after the trades?

Direct ownership is 122,476 shares, including 48,192 RSUs subject to vesting.

What indirect QS holdings were disclosed?

Indirect holdings include 249,720 shares by the 2011 Buss Family Trust and 70,000 shares by the Buss Family Heritage Trust.

What QS derivative securities remain held by the insider?

The insider reported 707,612 derivative securities (stock options) beneficially owned after the transactions.

What does transaction code M and S mean in this context?

Code M indicates an option exercise; code S indicates a sale of common stock.

Were the reported sale prices exact or averages?

They were weighted average prices from multiple trades within disclosed ranges; full breakdowns are available upon request.