Who
Michael O. McCarthy III
Chief Legal Officer
Company insider
Files Form 4 as: Chief Legal Officer, QuantumScape; Chief Legal & Admin Officer, Infinera.
In numbers
- Trades disclosed
- 326
- Buys
- 0
- Sells
- 75
- Bought
- $0
- Sold
- $64.5M
- Companies
- 2
- Companies where not an officer
- 0
- First trade
- 6 Jun 2007
- Last trade
- 18 Aug 2026
- Last filed
- 20 Aug 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 18 Aug 2026filed 20 Aug 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code F | $148K25,709 at $5.74 | filing |
| 18 Aug 2026filed 20 Aug 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code F | $148K25,709 at $5.74 | filing |
| 18 May 2026filed 20 May 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code F | $178K24,211 at $7.37 | filing |
| 18 May 2026filed 20 May 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code F | $178K24,211 at $7.37 | filing |
| 14 Apr 2026filed 16 Apr 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code A | —519,287 at $0.00 | filing |
| 14 Apr 2026filed 16 Apr 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code A | —103,857 at $0.00 | filing |
| 14 Apr 2026filed 16 Apr 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code A | —519,287 at $0.00 | filing |
| 14 Apr 2026filed 16 Apr 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code A | —103,857 at $0.00 | filing |
| 6 Mar 2026filed 6 Mar 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Sold | $303K45,000 at $6.73 | filing |
| 6 Mar 2026filed 6 Mar 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Sold | $303K45,000 at $6.73 | filing |
| 4 Mar 2026filed 6 Mar 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Sold | $207K30,000 at $6.90 | filing |
| 4 Mar 2026filed 6 Mar 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Sold | $207K30,000 at $6.90 | filing |
| 25 Feb 2026filed 25 Feb 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code F | $130K18,393 at $7.05 | filing |
| 25 Feb 2026filed 25 Feb 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code F | $130K18,393 at $7.05 | filing |
| 24 Feb 2026filed 25 Feb 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code A | —42,025 at $0.00 | filing |
| 24 Feb 2026filed 25 Feb 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code A | —42,025 at $0.00 | filing |
| 19 Feb 2026filed 20 Feb 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code F | $130K18,356 at $7.08 | filing |
| 19 Feb 2026filed 20 Feb 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code F | $130K18,356 at $7.08 | filing |
| 18 Feb 2026filed 20 Feb 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code F | $417K58,332 at $7.14 | filing |
| 18 Feb 2026filed 20 Feb 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code F | $416K58,332 at $7.14 | filing |
News
QuantumScape (NYSE: QS) Stock Price Surges 8% On Narrower Losses And Bold 100-MWh Production Line PushQS · foreignpolicyjournal.com · 22 Oct 2026QuantumScape targets 2028 start of production for 100-megawatt hour line with Muehlbauer partnership (NASDAQ:QS)QS · seekingalpha.com · 22 Oct 2026QuantumScape Announces Plans for 100 MWh Solid-State Battery Production Line for AI Data Centers, Aerospace and DefenseQS · manilatimes.net · 21 Oct 2026
0 headlines in the last 90 days name Michael O. McCarthy III; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.