QuantumScape (NYSE: QS) legal chief sells 75,000 Class A shares

Rhea-AI Filing Summary

QuantumScape Corp’s Chief Legal Officer Michael O. McCarthy III reported open-market sales of Class A Common Stock. He sold 30,000 shares on March 4, 2026 at an average price of $6.9048 per share and 45,000 shares on March 6, 2026 at an average price of $6.7302 per share, totaling 75,000 shares sold.

After these transactions, he directly owned 954,219 shares, which includes 862,821 shares represented by RSUs and PSUs that vest over time and upon performance milestones, subject to continued service. He also indirectly held 137,888 shares through a trust for which he is the grantor.

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^*

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)
03/04/2026

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	03/04/2026		S		30,000	D	$6.9048(1)	999,219	D
Class A Common Stock	03/06/2026		S		45,000	D	$6.7302	954,219(2)	D
Class A Common Stock								137,888	I	By: Trust(3)

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

Explanation of Responses:

1. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.90 to $6.92, 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 862,821 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.

3. The Reporting Person is the grantor of the trust.

Remarks:

	/s/ Michael O. McCarthy, III	03/06/2026
	** 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 did QuantumScape (QS) insider Michael O. McCarthy III report on this Form 4?

Michael O. McCarthy III reported selling QuantumScape Class A shares. He disclosed two open-market sale transactions totaling 75,000 shares, along with updated direct and indirect holdings, including a large component of unvested RSUs and PSUs subject to service and performance conditions.

How many QuantumScape (QS) shares did the Chief Legal Officer sell and at what prices?

He sold 75,000 QuantumScape Class A shares in total. The transactions were 30,000 shares on March 4, 2026 at an average price of $6.9048 per share and 45,000 shares on March 6, 2026 at an average price of $6.7302 per share.

How many QuantumScape (QS) shares does Michael O. McCarthy III own after these sales?

After the sales, he directly owned 954,219 QuantumScape shares. This direct position includes 862,821 shares represented by RSUs and PSUs that may vest over time and upon performance milestones, assuming he continues to satisfy the required service conditions.

What RSUs and PSUs are included in the QuantumScape (QS) insider’s holdings?

The filing states 862,821 RSUs and PSUs are included in his direct holdings. Each RSU or PSU represents the right to receive one QuantumScape Class A share, vesting quarterly or upon performance milestones, contingent on his continued service through each applicable vesting date.

Does the QuantumScape (QS) insider hold any shares indirectly through a trust?

Yes, he reported indirect ownership of 137,888 shares via a trust. These QuantumScape Class A shares are held with a nature of ownership described as “By: Trust,” and the filing notes that Michael O. McCarthy III is the grantor of the trust.

What type of transactions were reported in this QuantumScape (QS) Form 4?

The Form 4 reports open-market sales of non-derivative Class A shares. Both sales are coded as “S,” described as sales in open market or private transactions, plus an updated indirect holding entry for trust-owned shares without a separate buy or sell transaction code.