Michael O. McCarthy III
CIK: 0001177264
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
QuantumScape Corp
Discretionary Trading P&L
Holdings
Transaction History (43 total)
- Aug 18, 2026QS
QuantumScape Corp
Tax Payment(F)Direct25.7K shares at avg. $5.74$148K - May 18, 2026QS
QuantumScape Corp
Tax Payment(F)Direct24.2K shares at avg. $7.37$178K - Apr 14, 2026QS
QuantumScape Corp
Award(A)Direct103.9K shares- - Apr 14, 2026QS
QuantumScape Corp
Award(A)Direct519.3K shares- - Mar 6, 2026QS
QuantumScape Corp
Sale(S)Direct45K shares at avg. $6.73$303K - Mar 4, 2026QS
QuantumScape Corp
Sale(S)Direct30K shares at avg. $6.90$207K - Feb 25, 2026QS
QuantumScape Corp
Tax Payment(F)Direct18.4K shares at avg. $7.05$130K - Feb 24, 2026QS
QuantumScape Corp
Award(A)Direct42K shares- - Feb 19, 2026QS
QuantumScape Corp
Tax Payment(F)Direct18.4K shares at avg. $7.08$130K - Feb 18, 2026QS
QuantumScape Corp
Tax Payment(F)Direct58.3K shares at avg. $7.14$417K - Nov 25, 2025QS
QuantumScape Corp
Sale(S)Indirect40K shares at avg. $11.79$472K - Nov 25, 2025QS
QuantumScape Corp
Gift(G)Indirect40K shares- - Nov 25, 2025QS
QuantumScape Corp
Gift(G)Direct40K shares- - Nov 24, 2025QS
QuantumScape Corp
Gift(G)Indirect36.4K shares- - Nov 24, 2025QS
QuantumScape Corp
Gift(G)Direct36.4K shares- - Nov 24, 2025QS
QuantumScape Corp
Sale(S)Indirect36.4K shares at avg. $11.60$423K - Nov 18, 2025QS
QuantumScape Corp
Tax Payment(F)Direct59.1K shares at avg. $13.04$771K - Nov 18, 2025QS
QuantumScape Corp
Tax Payment(F)Direct758 shares at avg. $13.46$10K - Nov 7, 2025QS
QuantumScape Corp
Gift(G)Indirect158.3K shares- - Nov 7, 2025QS
QuantumScape Corp
Sale(S)Indirect20.4K shares at avg. $16.12$329K - Nov 7, 2025QS
QuantumScape Corp
Gift(G)Direct158.3K shares- - Oct 30, 2025QS
QuantumScape Corp
Sale(S)Direct50K shares at avg. $15.78$789K - Oct 30, 2025QS
QuantumScape Corp
Exercise(M)Direct50K shares at avg. $2.38$119K - Oct 24, 2025QS
QuantumScape Corp
Sale(S)Direct46.3K shares at avg. $15.26$706K - Oct 24, 2025QS
QuantumScape Corp
Exercise(M)Direct25K shares at avg. $2.38$59K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 18, 2026 | QS QuantumScape Corp | Tax Payment(F) | 25,709 | $5.74 | $147,685 | Direct |
| May 18, 2026 | QS QuantumScape Corp | Tax Payment(F) | 24,211 | $7.37 | $178,486 | Direct |
| Apr 14, 2026 | QS QuantumScape Corp | Award(A) | 103,857 | - | $0 | Direct |
| Apr 14, 2026 | QS QuantumScape Corp | Award(A) | 519,287 | - | $0 | Direct |
| Mar 6, 2026 | QS QuantumScape Corp | Sale(S) | 45,000 | $6.73 | $302,859 | Direct |
| Mar 4, 2026 | QS QuantumScape Corp | Sale(S) | 30,000 | $6.90 | $207,144 | Direct |
| Feb 25, 2026 | QS QuantumScape Corp | Tax Payment(F) | 18,393 | $7.05 | $129,649 | Direct |
| Feb 24, 2026 | QS QuantumScape Corp | Award(A) | 42,025 | - | $0 | Direct |
| Feb 19, 2026 | QS QuantumScape Corp | Tax Payment(F) | 18,356 | $7.08 | $129,883 | Direct |
| Feb 18, 2026 | QS QuantumScape Corp | Tax Payment(F) | 58,332 | $7.14 | $416,753 | Direct |
| Nov 25, 2025 | QS QuantumScape Corp | Sale(S) | 40,000 | $11.79 | $471,652 | Indirect |
| Nov 25, 2025 | QS QuantumScape Corp | Gift(G) | 40,000 | - | - | Indirect |
| Nov 25, 2025 | QS QuantumScape Corp | Gift(G) | 40,000 | - | - | Direct |
| Nov 24, 2025 | QS QuantumScape Corp | Gift(G) | 36,415 | - | - | Indirect |
| Nov 24, 2025 | QS QuantumScape Corp | Gift(G) | 36,415 | - | - | Direct |
| Nov 24, 2025 | QS QuantumScape Corp | Sale(S) | 36,415 | $11.60 | $422,531 | Indirect |
| Nov 18, 2025 | QS QuantumScape Corp | Tax Payment(F) | 59,108 | $13.04 | $770,863 | Direct |
| Nov 18, 2025 | QS QuantumScape Corp | Tax Payment(F) | 758 | $13.46 | $10,203 | Direct |
| Nov 7, 2025 | QS QuantumScape Corp | Gift(G) | 158,323 | - | - | Indirect |
| Nov 7, 2025 | QS QuantumScape Corp | Sale(S) | 20,435 | $16.12 | $329,441 | Indirect |
| Nov 7, 2025 | QS QuantumScape Corp | Gift(G) | 158,323 | - | - | Direct |
| Oct 30, 2025 | QS QuantumScape Corp | Sale(S) | 50,000 | $15.78 | $788,985 | Direct |
| Oct 30, 2025 | QS QuantumScape Corp | Exercise(M) | 50,000 | $2.38 | $118,850 | Direct |
| Oct 24, 2025 | QS QuantumScape Corp | Sale(S) | 46,264 | $15.26 | $706,040 | Direct |
| Oct 24, 2025 | QS QuantumScape Corp | Exercise(M) | 25,000 | $2.38 | $59,425 | Direct |
1-25 of 43 transactions
About MCCARTHY MICHAEL O III
MCCARTHY MICHAEL O III (SEC CIK 0001177264) files insider reports with the SEC as CHIEF LEGAL OFFICER of QuantumScape Corp (QS).
Signal8 holds 21 ownership filings by MCCARTHY MICHAEL O III, all Form 4s, filed between Sep 16, 2024 and Aug 20, 2026. Those filings report 43 transactions, from Sep 12, 2024 to Aug 18, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on MCCARTHY MICHAEL O III's filings is in SAN JOSE, CA.
Recent filings by MCCARTHY MICHAEL O III
- Aug 18, 2026: Tax withholding of QS shares (Form 4, code F).
- May 18, 2026: Tax withholding of QS shares (Form 4, code F).
- Apr 14, 2026: Grants or awards of QS shares (2 lines, Form 4, code A).
- Mar 6, 2026: Open-market sale of QS shares (Form 4, code S).
- Mar 4, 2026: Open-market sale of QS shares (Form 4, code S).
Other insiders filing for QuantumScape Corp (QS)
- Holme Timothy, CHIEF TECHNOLOGY OFFICER
- Singh Mohit, CHIEF DEVELOPMENT OFFICER
- Hettrich Kevin, CHIEF FINANCIAL OFFICER
- Sivaram Srinivasan, CHIEF EXECUTIVE OFFICER
- Fasoli Luca Giovanni, Chief Operating Officer
- SEGERS DENNIS, Director