Michael O. McCarthy III
Known title: Chief Legal OfficerCIK: 0001177264
Associated companies
Transaction History
| QS | ▼ Sell | Tax Withholding | 25,709 | $148K | 8/18/2026 | View on chart |
| QS | ▼ Sell | Tax Withholding | 24,211 | $178K | 5/18/2026 | View on chart |
| QS | ▲ Buy | Grant | 519,287 | $0 | 4/14/2026 | View on chart |
| QS | ▲ Buy | Grant | 103,857 | $0 | 4/14/2026 | View on chart |
| QS | ▼ Sell | Open Market | 45,000 | $303K | 3/6/2026 | View on chart |
| QS | ▼ Sell | Open Market | 30,000 | $207K | 3/4/2026 | View on chart |
| QS | ▼ Sell | Tax Withholding | 18,393 | $130K | 2/25/2026 | View on chart |
| QS | ▲ Buy | Grant | 42,025 | $0 | 2/24/2026 | View on chart |
| QS | ▼ Sell | Tax Withholding | 18,356 | $130K | 2/19/2026 | View on chart |
| QS | ▼ Sell | Tax Withholding | 58,332 | $417K | 2/18/2026 | View on chart |
| QS | ▼ Sell | Gift | 40,000 | $0 | 11/25/2025 | View on chart |
| QS | ▼ Sell | Gift | 40,000 | $0 | 11/25/2025 | View on chart |
| QS | ▼ Sell | Open Market | 40,000 | $472K | 11/25/2025 | View on chart |
| QS | ▼ Sell | Gift | 36,415 | $0 | 11/24/2025 | View on chart |
| QS | ▼ Sell | Gift | 36,415 | $0 | 11/24/2025 | View on chart |
| QS | ▼ Sell | Open Market | 36,415 | $423K | 11/24/2025 | View on chart |
| QS | ▼ Sell | Tax Withholding | 59,108 | $771K | 11/18/2025 | View on chart |
| QS | ▼ Sell | Tax Withholding | 758 | $10K | 11/18/2025 | View on chart |
| QS | ▼ Sell | Gift | 158,323 | $0 | 11/7/2025 | View on chart |
| QS | ▼ Sell | Gift | 158,323 | $0 | 11/7/2025 | View on chart |
| QS | ▼ Sell | Open Market | 20,435 | $329K | 11/7/2025 | View on chart |
| QS | ▲ Buy | Option Exercise | 50,000 | $119K | 10/30/2025 | View on chart |
| QS | ▼ Sell | Open Market | 50,000 | $789K | 10/30/2025 | View on chart |
| QS | ▲ Buy | Option Exercise | 25,000 | $59K | 10/24/2025 | View on chart |
| QS | ▼ Sell | Open Market | 46,264 | $706K | 10/24/2025 | View on chart |
| QS | ▼ Sell | Open Market | 38,035 | $347K | 9/12/2025 | View on chart |
| QS | ▼ Sell | Tax Withholding | 31,766 | $276K | 8/18/2025 | View on chart |
| QS | ▲ Buy | Option Exercise | 300,000 | $713K | 7/25/2025 | View on chart |
| QS | ▼ Sell | Open Market | 500,000 | $5.8M | 7/25/2025 | View on chart |
| QS | ▼ Sell | Tax Withholding | 64,373 | $293K | 5/16/2025 | View on chart |
| QS | ▲ Buy | Grant | 683,370 | $0 | 4/8/2025 | View on chart |
| QS | ▼ Sell | Tax Withholding | 2,841 | $12K | 3/4/2025 | View on chart |
| QS | ▼ Sell | Tax Withholding | 17,034 | $77K | 3/3/2025 | View on chart |
| QS | ▲ Buy | Grant | 56,827 | $0 | 2/28/2025 | View on chart |
| QS | ▼ Sell | Open Market | 76,315 | $399K | 2/21/2025 | View on chart |
| QS | ▼ Sell | Tax Withholding | 7,325 | $38K | 2/20/2025 | View on chart |
| QS | ▼ Sell | Tax Withholding | 35,557 | $187K | 2/19/2025 | View on chart |
| QS | ▼ Sell | Open Market | 27,305 | $138K | 11/21/2024 | View on chart |
| QS | ▼ Sell | Tax Withholding | 25,412 | $121K | 11/18/2024 | View on chart |
| QS | ▲ Buy | Option Exercise | 106,084 | $252K | 9/13/2024 | View on chart |
| QS | ▼ Sell | Open Market | 106,084 | $626K | 9/13/2024 | View on chart |
| QS | ▲ Buy | Option Exercise | 97,177 | $231K | 9/12/2024 | View on chart |
| QS | ▼ Sell | Open Market | 100,038 | $580K | 9/12/2024 | View on chart |
| QS | ▼ Sell | Open Market | 50,575 | $303K | 8/21/2024 | View on chart |
| QS | ▼ Sell | Tax Withholding | 10,445 | $60K | 8/20/2024 | View on chart |
| QS | ▼ Sell | Tax Withholding | 20,960 | $121K | 8/19/2024 | View on chart |
| QS | ▼ Sell | Tax Withholding | 17,122 | $98K | 8/16/2024 | View on chart |
| QS | ▼ Sell | Open Market | 2,866 | $17K | 8/16/2024 | View on chart |
| QS | ▼ Sell | Tax Withholding | 2,879 | $17K | 8/6/2024 | View on chart |
| QS | ▲ Buy | Grant | 5,745 | $0 | 8/5/2024 | View on chart |
| QS | ▲ Buy | Option Exercise | 222,476 | $295K | 7/31/2024 | View on chart |
| QS | ▼ Sell | Open Market | 222,476 | $1.5M | 7/31/2024 | View on chart |
| QS | ▲ Buy | Option Exercise | 222,477 | $295K | 7/30/2024 | View on chart |
| QS | ▼ Sell | Open Market | 222,477 | $1.5M | 7/30/2024 | View on chart |
| QS | ▲ Buy | Option Exercise | 66,120 | $88K | 7/29/2024 | View on chart |
| QS | ▼ Sell | Open Market | 222,476 | $1.5M | 7/29/2024 | View on chart |
| QS | ▲ Buy | Option Exercise | 76,167 | $100K | 6/26/2024 | View on chart |
| QS | ▲ Buy | Option Exercise | 156,536 | $207K | 6/26/2024 | View on chart |
| QS | ▼ Sell | Open Market | 22,554 | $129K | 5/21/2024 | View on chart |
| QS | ▼ Sell | Tax Withholding | 7,218 | $41K | 5/17/2024 | View on chart |
| QS | ▼ Sell | Tax Withholding | 6,324 | $37K | 5/16/2024 | View on chart |
| QS | ▲ Buy | Grant | 531,840 | $0 | 4/5/2024 | View on chart |
| QS | ▼ Sell | Open Market | 9,937 | $60K | 3/5/2024 | View on chart |
| QS | ▼ Sell | Open Market | 9,936 | $61K | 3/4/2024 | View on chart |
| QS | ▼ Sell | Tax Withholding | 3,692 | $23K | 2/26/2024 | View on chart |
| QS | ▼ Sell | Open Market | 21,840 | $135K | 2/26/2024 | View on chart |
| QS | ▼ Sell | Tax Withholding | 3,972 | $24K | 2/23/2024 | View on chart |
| QS | ▼ Sell | Tax Withholding | 4,030 | $25K | 2/22/2024 | View on chart |
| QS | ▲ Buy | Grant | 31,567 | $0 | 2/21/2024 | View on chart |
| QS | ▼ Sell | Tax Withholding | 7,439 | $49K | 2/20/2024 | View on chart |
| QS | ▼ Sell | Tax Withholding | 6,819 | $48K | 2/16/2024 | View on chart |
| QS | ▼ Sell | Open Market | 44,848 | $316K | 12/6/2023 | View on chart |
| QS | ▼ Sell | Open Market | 16,199 | $100K | 11/29/2023 | View on chart |
| QS | ▼ Sell | Tax Withholding | 8,184 | $48K | 11/17/2023 | View on chart |
| QS | ▼ Sell | Tax Withholding | 11,713 | $69K | 11/16/2023 | View on chart |
| QS | ▼ Sell | Open Market | 43,476 | $251K | 11/8/2023 | View on chart |
| QS | ▼ Sell | Tax Withholding | 2,174 | $15K | 8/23/2023 | View on chart |
| QS | ▲ Buy | Grant | 4,208 | $0 | 8/22/2023 | View on chart |
| QS | ▼ Sell | Tax Withholding | 20,665 | $142K | 8/17/2023 | View on chart |
| QS | ▼ Sell | Tax Withholding | 24,261 | $170K | 8/16/2023 | View on chart |
| QS | ▼ Sell | Open Market | 32,674 | $217K | 6/2/2023 | View on chart |
| QS | ▼ Sell | Tax Withholding | 9,674 | $58K | 5/18/2023 | View on chart |
| QS | ▼ Sell | Tax Withholding | 17,791 | $108K | 5/17/2023 | View on chart |
| QS | ▼ Sell | Tax Withholding | 13,732 | $80K | 5/16/2023 | View on chart |
| QS | ▲ Buy | Option Exercise | 94,848 | $100K | 5/16/2023 | View on chart |
| QS | ▲ Buy | Grant | 167,849 | $0 | 4/6/2023 | View on chart |
| QS | ▲ Buy | Option Exercise | 161,958 | $104K | 3/3/2023 | View on chart |
| QS | ▲ Buy | Option Exercise | 24,375 | $32K | 3/3/2023 | View on chart |
| QS | ▼ Sell | Open Market | 186,333 | $1.7M | 3/3/2023 | View on chart |
| QS | ▲ Buy | Option Exercise | 130,648 | $84K | 3/1/2023 | View on chart |
| QS | ▼ Sell | Open Market | 130,648 | $1.2M | 3/1/2023 | View on chart |
| QS | ▼ Sell | Open Market | 20,000 | $206K | 2/17/2023 | View on chart |
| QS | ▼ Sell | Tax Withholding | 27,372 | $265K | 2/16/2023 | View on chart |
| QS | ▲ Buy | Grant | 379,939 | $0 | 1/24/2023 | View on chart |
| QS | ▼ Sell | Open Market | 20,000 | $143K | 11/17/2022 | View on chart |
| QS | ▼ Sell | Tax Withholding | 33,265 | $245K | 11/16/2022 | View on chart |
| QS | ▲ Buy | Option Exercise | 36,757 | $24K | 9/15/2022 | View on chart |
| QS | ▼ Sell | Open Market | 36,757 | $464K | 9/15/2022 | View on chart |
| QS | ▼ Sell | Open Market | 20,000 | $244K | 8/17/2022 | View on chart |
| QS | ▼ Sell | Tax Withholding | 31,804 | $407K | 8/16/2022 | View on chart |
| QS | ▲ Buy | Option Exercise | 211,085 | $223K | 8/10/2022 | View on chart |
| QS | ▲ Buy | Option Exercise | 41,044 | $26K | 8/10/2022 | View on chart |
| QS | ▼ Sell | Open Market | 252,129 | $3.2M | 8/10/2022 | View on chart |
| QS | ▼ Sell | Open Market | 20,000 | $239K | 5/18/2022 | View on chart |
| QS | ▼ Sell | Tax Withholding | 25,818 | $306K | 5/17/2022 | View on chart |
| QS | ▲ Buy | Option Exercise | 27,871 | $29K | 5/13/2022 | View on chart |
| QS | ▼ Sell | Open Market | 27,871 | $349K | 5/13/2022 | View on chart |
| QS | ▲ Buy | Grant | 139,318 | $0 | 3/3/2022 | View on chart |
| QS | ▼ Sell | Tax Withholding | 18,620 | $317K | 2/16/2022 | View on chart |
| QS | ▲ Buy | Option Exercise | 100,000 | $64K | 12/14/2021 | View on chart |
| QS | ▼ Sell | Open Market | 100,000 | $2.4M | 12/14/2021 | View on chart |
| QS | ▼ Sell | Open Market | 158,857 | $3.8M | 12/14/2021 | View on chart |
| QS | ▲ Buy | Option Exercise | 51,279 | $0 | 12/9/2021 | View on chart |
| QS | ▼ Sell | Open Market | 51,279 | $1.3M | 12/9/2021 | View on chart |
| QS | ▼ Sell | Open Market | 158,857 | $4.1M | 12/9/2021 | View on chart |
| QS | ▲ Buy | Option Exercise | 12,862 | $8K | 12/8/2021 | View on chart |
| QS | ▲ Buy | Option Exercise | 17,930 | $12K | 12/8/2021 | View on chart |
| QS | ▼ Sell | Open Market | 30,792 | $809K | 12/8/2021 | View on chart |
| QS | ▼ Sell | Open Market | 47,320 | $1.2M | 12/8/2021 | View on chart |
| QS | ▲ Buy | Option Exercise | 60,936 | $39K | 12/7/2021 | View on chart |
| QS | ▼ Sell | Open Market | 60,936 | $1.6M | 12/7/2021 | View on chart |
| QS | ▼ Sell | Open Market | 60,387 | $1.6M | 12/7/2021 | View on chart |
| QS | ▼ Sell | Tax Withholding | 21,262 | $780K | 11/16/2021 | View on chart |
| QS | ▼ Sell | Tax Withholding | 4,242 | $151K | 11/16/2021 | View on chart |
| QS | ▼ Sell | Tax Withholding | 1,417 | $53K | 11/16/2021 | View on chart |
| QS | ▼ Sell | Tax Withholding | 24,860 | $502K | 8/17/2021 | View on chart |
| QS | ▼ Sell | Other | 820,435 | $0 | 4/21/2021 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 11, 2026
QuantumScape launches QS PowerBlock for AI data center storage
QuantumScape introduced the QS PowerBlock, an in‑rack energy storage solution aimed at AI data centers. The launch signals a move beyond its traditional automotive battery focus toward the data‑center market. The company also disclosed the timing for its third‑quarter 2026 results and webcast. Analysts note the stock is trading below its average target price and discuss its book‑value valuation.
QuantumScape launches QS PowerBlock for AI data center storage. QuantumScape introduced the QS PowerBlock, an in‑rack energy storage solution aimed at AI data centers. The launch signals a move beyond its traditional automotive battery focus toward the data‑center market. The company also disclosed the timing for its third‑quarter 2026 results and webcast. Analysts note the stock is trading below its average target price and discuss its book‑value valuation.