QS insider exercises 25,000 options at $2.377, sells shares at $15.26

Rhea-AI Filing Summary

QuantumScape (QS) disclosed insider activity by its Chief Legal Officer. On 10/24/2025, the officer exercised 25,000 stock options at an exercise price of $2.377 (transaction code M), acquiring the same number of Class A shares. On the same date, the officer sold 46,264 shares at a weighted average price of $15.2611 (transaction code S), with individual trades ranging from $15.23 to $15.315.

Following these transactions, the officer beneficially owns 1,376,118 shares directly. This figure includes 1,217,795 shares represented by RSUs and PSUs, which vest over time or upon performance milestones. The derivative table notes a remaining 75,000 stock options held after the exercise, from an option grant originally exercisable since 07/05/2019 and expiring on 06/05/2029.

Insider Trade Summary

Net Seller: 46,264 shares ($706,040)

Net Sell 3 txns

Insider MCCARTHY MICHAEL O III

Role CHIEF LEGAL OFFICER

Sold 46,264 shs ($706K)

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy)	25,000	$0.00	--
Exercise	Class A Common Stock	25,000	$2.377	$59K
Sale	Class A Common Stock	46,264	$15.2611	$706K

Holdings After Transaction: Stock Option (Right to Buy) — 75,000 shares (Direct); Class A Common Stock — 1,422,382 shares (Direct)

Footnotes (1)

1. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.23 to $15.315, 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 1,217,795 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.

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Form 4 Insider Transactions: What Each Field Means →

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^*

MCCARTHY MICHAEL O III

(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)

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

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		25,000	A	$2.377	1,422,382	D
Class A Common Stock	10/24/2025		S		46,264	D	$15.2611(1)	1,376,118(2)	D

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)	$2.377	10/24/2025		M			25,000	07/05/2019	06/05/2029	Class A Common Stock	25,000	$0.00	75,000	D

Explanation of Responses:

1. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.23 to $15.315, 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. Includes 1,217,795 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.

Remarks:

	/s/ Michael O. McCarthy, III	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 transactions did QuantumScape (QS) report?

25,000 options were exercised at $2.377 and 46,264 shares were sold at a $15.2611 weighted average price on 10/24/2025.

How many QuantumScape shares does the insider now own?

The officer beneficially owns 1,376,118 shares directly following the reported transactions.

What portion of the insider’s holdings are RSUs/PSUs at QS?

Holdings include 1,217,795 shares represented by RSUs and PSUs that vest over time or upon performance milestones.

What were the sale price details for QS shares?

Shares were sold at a $15.2611 weighted average, with trades ranging from $15.23 to $15.315.

What stock options remain after the exercise?

The insider holds 75,000 stock options after exercising 25,000; the option grant expires on 06/05/2029.

What is the insider’s role at QuantumScape?

The reporting person is the company’s Chief Legal Officer.