Mccarthy Michael O III insider trades
Mccarthy Michael O III has filed 58 Form 4s with the SEC that we hold, all for QuantumScape Corp (QS), as CHIEF LEGAL OFFICER. Across all of them we count 0 purchases worth $0 and 43 sales worth $41.7M reported on Form 4. In the last 12 months: 0 purchases ($0) and 7 sales ($3.2M). The largest single trade was a sale of 500,000 shares of QuantumScape Corp worth $5.8M, dated 2025-07-25. The first filing on our record is dated 2021-08-19 and the latest 2026-08-20.
QuantumScape Corp (QS)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-12-07 | S, sale reported on Form 4 | 60,936 | $1.6M | 2021-12-09 |
| 2021-12-07 | S, sale reported on Form 4 | 60,387 | $1.6M | 2021-12-09 |
| 2021-12-08 | S, sale reported on Form 4 | 30,792 | $808.6K | 2021-12-09 |
| 2021-12-08 | S, sale reported on Form 4 | 47,320 | $1.2M | 2021-12-09 |
| 2021-12-09 | S, sale reported on Form 4 | 158,857 | $4.1M | 2021-12-09 |
| 2021-12-09 | S, sale reported on Form 4 | 51,279 | $1.3M | 2021-12-09 |
| 2021-12-14 | S, sale reported on Form 4 | 158,857 | $3.8M | 2021-12-16 |
| 2021-12-14 | S, sale reported on Form 4 | 100,000 | $2.4M | 2021-12-16 |
| 2022-05-13 | S, sale reported on Form 4 | 27,871 | $348.7K | 2022-05-17 |
| 2022-05-18 | S, sale reported on Form 4 | 20,000 | $238.8K | 2022-05-19 |
| 2022-08-10 | S, sale reported on Form 4 | 252,129 | $3.2M | 2022-08-12 |
| 2022-08-17 | S, sale reported on Form 4 | 20,000 | $243.6K | 2022-08-18 |
| 2022-09-15 | S, sale reported on Form 4 | 36,757 | $463.9K | 2022-09-19 |
| 2022-11-17 | S, sale reported on Form 4 | 20,000 | $143.0K | 2022-11-18 |
| 2023-02-17 | S, sale reported on Form 4 | 20,000 | $206.2K | 2023-02-17 |
| 2023-03-01 | S, sale reported on Form 4 | 130,648 | $1.2M | 2023-03-03 |
| 2023-03-03 | S, sale reported on Form 4 | 186,333 | $1.7M | 2023-03-03 |
| 2023-06-02 | S, sale reported on Form 4 | 32,674 | $217.0K | 2023-06-06 |
| 2023-11-08 | S, sale reported on Form 4 | 43,476 | $250.9K | 2023-11-09 |
| 2023-11-29 | S, sale reported on Form 4 | 16,199 | $100.3K | 2023-11-30 |
| 2023-12-06 | S, sale reported on Form 4 | 44,848 | $315.7K | 2023-12-08 |
| 2024-02-26 | S, sale reported on Form 4 | 21,840 | $134.8K | 2024-02-27 |
| 2024-03-04 | S, sale reported on Form 4 | 9,936 | $61.1K | 2024-03-06 |
| 2024-03-05 | S, sale reported on Form 4 | 9,937 | $59.6K | 2024-03-06 |
| 2024-05-21 | S, sale reported on Form 4 | 22,554 | $129.0K | 2024-05-21 |
| 2024-07-29 | S, sale reported on Form 4 | 222,476 | $1.5M | 2024-07-31 |
| 2024-07-30 | S, sale reported on Form 4 | 222,477 | $1.5M | 2024-07-31 |
| 2024-07-31 | S, sale reported on Form 4 | 222,476 | $1.5M | 2024-07-31 |
| 2024-08-16 | S, sale reported on Form 4 | 2,866 | $16.8K | 2024-08-20 |
| 2024-08-21 | S, sale reported on Form 4 | 50,575 | $302.9K | 2024-08-23 |
| 2024-09-12 | S, sale reported on Form 4 | 100,038 | $580.2K | 2024-09-16 |
| 2024-09-13 | S, sale reported on Form 4 | 106,084 | $625.9K | 2024-09-16 |
| 2024-11-21 | S, sale reported on Form 4 | 27,305 | $138.4K | 2024-11-22 |
| 2025-02-21 | S, sale reported on Form 4 | 76,315 | $399.1K | 2025-02-21 |
| 2025-07-25 | S, sale reported on Form 4 | 500,000 | $5.8M | 2025-07-29 |
| 2025-09-12 | S, sale reported on Form 4 | 38,035 | $347.3K | 2025-09-16 |
| 2025-10-24 | S, sale reported on Form 4 | 46,264 | $706.0K | 2025-10-28 |
| 2025-10-30 | S, sale reported on Form 4 | 50,000 | $789.0K | 2025-10-31 |
| 2025-11-07 | S, sale reported on Form 4 | 20,435 | $329.4K | 2025-11-12 |
| 2025-11-24 | S, sale reported on Form 4 | 36,415 | $422.4K | 2025-11-26 |
| 2025-11-25 | S, sale reported on Form 4 | 40,000 | $471.6K | 2025-11-26 |
| 2026-03-04 | S, sale reported on Form 4 | 30,000 | $207.0K | 2026-03-06 |
| 2026-03-06 | S, sale reported on Form 4 | 45,000 | $302.9K | 2026-03-06 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1177264) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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