Michael O. McCarthy III, Chief Legal Officer at QuantumScape Corp ($QS), sold about $9.4 million worth of shares through nine open market transactions over the past year. His most recent sale occurred on March 6, 2026. These sales rank him 1,185th among 11,678 insiders by total value sold, exceeding the average of $8.6 million per seller and 6.4 transactions. He made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 4, 2026 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 30000 | $6.90 | 1,137,107.0000 | 588,728,000 | 2.57% | 0.01% |
| March 6, 2026 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 45000 | $6.73 | 1,092,107.0000 | 588,728,000 | 3.96% | 0.01% |
| Feb. 24, 2026 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | A | Class A Common Stock | 42025 | $0.00 | 1,185,500.0000 | 588,728,000 | 3.68% | 0.01% |
| Feb. 25, 2026 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 18393 | $7.05 | 1,167,107.0000 | 588,728,000 | 1.55% | 0.00% |
| Feb. 18, 2026 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 58332 | $7.14 | 1,161,831.0000 | 588,728,000 | 4.78% | 0.01% |
| Feb. 19, 2026 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 18356 | $7.08 | 1,143,475.0000 | 588,728,000 | 1.58% | 0.00% |
| Nov. 25, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | G | Class A Common Stock | 40000 | $0.00 | 1,259,402.0000 | 588,728,000 | 3.28% | 0.01% |
| Nov. 24, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 36415 | $11.60 | 1,219,402.0000 | 588,728,000 | 2.90% | 0.01% |
| Nov. 24, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | G | Class A Common Stock | 36415 | $0.00 | 1,259,402.0000 | 588,728,000 | 2.81% | 0.01% |
| Nov. 24, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | G | Class A Common Stock | 36415 | $0.00 | 1,255,817.0000 | 588,728,000 | 2.99% | 0.01% |
| Nov. 25, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 40000 | $11.79 | 1,219,402.0000 | 588,728,000 | 3.18% | 0.01% |
| Nov. 25, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | G | Class A Common Stock | 40000 | $0.00 | 1,219,402.0000 | 588,728,000 | 3.18% | 0.01% |
| Nov. 18, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 758 | $13.46 | 1,295,817.0000 | 588,728,000 | 0.06% | 0.00% |
| Nov. 18, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 59108 | $13.04 | 1,296,575.0000 | 588,728,000 | 4.36% | 0.01% |
| Nov. 7, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | G | Class A Common Stock | 158323 | $0.00 | 1,355,683.0000 | 588,728,000 | 10.46% | 0.03% |
| Nov. 7, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 20435 | $16.12 | 1,355,683.0000 | 588,728,000 | 1.48% | 0.00% |
| Nov. 7, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | G | Class A Common Stock | 158323 | $0.00 | 1,376,118.0000 | 588,728,000 | 13.00% | 0.03% |
| Oct. 30, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Stock Option (Right to Buy) | 50000 | $0.00 | 25,000.0000 | 588,728,000 | 66.67% | 0.01% |
| Oct. 30, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 50000 | $15.78 | 1,376,118.0000 | 588,728,000 | 3.51% | 0.01% |
| Oct. 30, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Class A Common Stock | 50000 | $2.38 | 1,426,118.0000 | 588,728,000 | 3.63% | 0.01% |
| Oct. 24, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Stock Option (Right to Buy) | 25000 | $0.00 | 75,000.0000 | 588,728,000 | 25.00% | 0.00% |
| Oct. 24, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Class A Common Stock | 25000 | $2.38 | 1,422,382.0000 | 588,728,000 | 1.79% | 0.00% |
| Oct. 24, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 46264 | $15.26 | 1,376,118.0000 | 588,728,000 | 3.25% | 0.01% |
| Sept. 12, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 38035 | $9.13 | 1,397,382.0000 | 508,102,000 | 2.65% | 0.01% |
| Aug. 18, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 31766 | $8.70 | 1,435,417.0000 | 508,102,000 | 2.17% | 0.01% |
| July 25, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Class A Common Stock | 300000 | $2.38 | 1,967,183.0000 | 508,102,000 | 17.99% | 0.06% |
| July 25, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Stock Option (right to buy) | 300000 | $0.00 | 100,000.0000 | 508,102,000 | 75.00% | 0.06% |
| July 25, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 500000 | $11.60 | 1,467,183.0000 | 508,102,000 | 25.42% | 0.10% |
| May 16, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 64373 | $4.55 | 1,666,472.0000 | 508,102,000 | 3.72% | 0.01% |
| April 8, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | A | Class A Common Stock | 683370 | $0.00 | 1,730,845.0000 | 508,102,000 | 65.24% | 0.13% |
| March 4, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 2841 | $4.10 | 1,047,475.0000 | 508,102,000 | 0.27% | 0.00% |
| March 3, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 17034 | $4.53 | 1,050,316.0000 | 508,102,000 | 1.60% | 0.00% |
| Feb. 28, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | A | Class A Common Stock | 56827 | $0.00 | 1,067,350.0000 | 508,102,000 | 5.62% | 0.01% |
| Feb. 19, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 35557 | $5.27 | 1,094,163.0000 | 508,102,000 | 3.15% | 0.01% |
| Feb. 20, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 7325 | $5.12 | 1,086,838.0000 | 508,102,000 | 0.67% | 0.00% |
| Feb. 21, 2025 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 76315 | $5.23 | 1,010,523.0000 | 508,102,000 | 7.02% | 0.02% |
| Nov. 21, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 27305 | $5.07 | 1,129,167.0000 | 508,957,000 | 2.36% | 0.01% |
| Nov. 18, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 25412 | $4.75 | 1,156,472.0000 | 508,957,000 | 2.15% | 0.00% |
| Sept. 12, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 100038 | $5.80 | 1,181,884.0000 | 462,239,000 | 7.80% | 0.02% |
| Sept. 13, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Class A Common Stock | 106084 | $2.38 | 1,287,968.0000 | 462,239,000 | 8.98% | 0.02% |
| Sept. 13, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 106084 | $5.90 | 1,181,884.0000 | 462,239,000 | 8.24% | 0.02% |
| Sept. 12, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Stock Option (right to buy) | 97177 | $0.00 | 506,084.0000 | 462,239,000 | 16.11% | 0.02% |
| Sept. 13, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Stock Option (right to buy) | 106084 | $0.00 | 400,000.0000 | 462,239,000 | 20.96% | 0.02% |
| Sept. 12, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Class A Common Stock | 97177 | $2.38 | 1,281,922.0000 | 462,239,000 | 8.20% | 0.02% |
| Aug. 21, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 50575 | $5.99 | 1,184,745.0000 | 462,239,000 | 4.09% | 0.01% |
| Aug. 19, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 20960 | $5.78 | 1,245,765.0000 | 462,239,000 | 1.65% | 0.00% |
| Aug. 16, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 17122 | $5.74 | 1,269,591.0000 | 462,239,000 | 1.33% | 0.00% |
| Aug. 16, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 2866 | $5.87 | 1,266,725.0000 | 462,239,000 | 0.23% | 0.00% |
| Aug. 20, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 10445 | $5.72 | 1,235,320.0000 | 462,239,000 | 0.84% | 0.00% |
| Aug. 5, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | A | Class A Common Stock | 5745 | $0.00 | 1,289,592.0000 | 462,239,000 | 0.45% | 0.00% |
| Aug. 6, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 2879 | $6.03 | 1,286,713.0000 | 462,239,000 | 0.22% | 0.00% |
| July 29, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Class A Common Stock | 66120 | $1.33 | 1,506,323.0000 | 462,239,000 | 4.59% | 0.01% |
| July 31, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Stock Option (right to buy) | 222476 | $0.00 | 0.0000 | 462,239,000 | 100.00% | 0.05% |
| July 30, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Stock Option (right to buy) | 222477 | $0.00 | 222,476.0000 | 462,239,000 | 50.00% | 0.05% |
| July 29, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Stock Option (right to buy) | 66120 | $0.00 | 444,953.0000 | 462,239,000 | 12.94% | 0.01% |
| July 31, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 222476 | $6.58 | 1,283,847.0000 | 462,239,000 | 14.77% | 0.05% |
| July 31, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Class A Common Stock | 222476 | $1.33 | 1,506,323.0000 | 462,239,000 | 17.33% | 0.05% |
| July 30, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 222477 | $6.53 | 1,283,847.0000 | 462,239,000 | 14.77% | 0.05% |
| July 30, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Class A Common Stock | 222477 | $1.33 | 1,506,324.0000 | 462,239,000 | 17.33% | 0.05% |
| July 29, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 222476 | $6.58 | 1,283,847.0000 | 462,239,000 | 14.77% | 0.05% |
| June 26, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Class A Common Stock | 156536 | $1.33 | 1,440,203.0000 | 462,239,000 | 12.19% | 0.03% |
| June 26, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Class A Common Stock | 76167 | $1.31 | 1,283,667.0000 | 462,239,000 | 6.31% | 0.02% |
| June 26, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Stock Option (right to buy) | 156536 | $0.00 | 511,073.0000 | 462,239,000 | 23.45% | 0.03% |
| June 26, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | M | Stock Option (right to buy) | 76167 | $0.00 | 0.0000 | 462,239,000 | 100.00% | 0.02% |
| May 21, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 22554 | $5.72 | 1,207,500.0000 | 462,239,000 | 1.83% | 0.00% |
| May 16, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 6324 | $5.82 | 1,237,272.0000 | 462,239,000 | 0.51% | 0.00% |
| May 17, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 7218 | $5.64 | 1,230,054.0000 | 462,239,000 | 0.58% | 0.00% |
| April 5, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | A | Class A Common Stock | 531840 | $0.00 | 1,243,596.0000 | 462,239,000 | 74.72% | 0.12% |
| March 5, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 9937 | $6.00 | 711,756.0000 | 462,239,000 | 1.38% | 0.00% |
| March 4, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 9936 | $6.15 | 721,693.0000 | 462,239,000 | 1.36% | 0.00% |
| Feb. 23, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 3972 | $6.08 | 757,161.0000 | 462,239,000 | 0.52% | 0.00% |
| Feb. 26, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | S | Class A Common Stock | 21840 | $6.17 | 731,629.0000 | 462,239,000 | 2.90% | 0.00% |
| Feb. 26, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 3692 | $6.16 | 753,469.0000 | 462,239,000 | 0.49% | 0.00% |
| Feb. 22, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 4030 | $6.23 | 761,133.0000 | 462,239,000 | 0.53% | 0.00% |
| Feb. 21, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | A | Class A Common Stock | 31567 | $0.00 | 765,163.0000 | 462,239,000 | 4.30% | 0.01% |
| Feb. 16, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 6819 | $7.00 | 741,035.0000 | 462,239,000 | 0.91% | 0.00% |
| Feb. 20, 2024 | QuantumScape Corp | $QS | MCCARTHY MICHAEL O III | CHIEF LEGAL OFFICER | F | Class A Common Stock | 7439 | $6.54 | 733,596.0000 | 462,239,000 | 1.00% | 0.00% |