Who
Brad W. Buss
Director
Company insider
Files Form 4 as: Director, Marvell Technology; Director, QuantumScape; Director, Aecom; Director, TuSimple Holdings; Director, Marvell Technology Group; Director, Advance Auto Parts; Director, Tesla; Director, Cavium.
In numbers
- Trades disclosed
- 333
- Buys
- 15
- Sells
- 23
- Bought
- $3.1M
- Sold
- $55.6M
- Companies
- 11
- Companies where not an officer
- 9
- First trade
- 30 Jun 2006
- Last trade
- 25 Jun 2026
- Last filed
- 29 Jun 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 | |
|---|---|---|---|---|
| 25 Jun 2026filed 29 Jun 2026 | MRVL Marvell Technologyoption or derivative · Semiconductors | SEC FORM 4 Code A | —1,034 at $0.00 | filing |
| 25 Jun 2026filed 29 Jun 2026 | MRVL Marvell Technologyoption or derivative · Semiconductors | SEC FORM 4 Code A | —1,034 at $0.00 | filing |
| 13 Jun 2026filed 15 Jun 2026 | MRVL Marvell TechnologySemiconductors | SEC FORM 4 Code M | —3,940 at $0.00 | filing |
| 13 Jun 2026filed 15 Jun 2026 | MRVL Marvell Technologyoption or derivative · Semiconductors | SEC FORM 4 Code M | —3,940 at $0.00 | filing |
| 13 Jun 2026filed 15 Jun 2026 | MRVL Marvell Technologyoption or derivative · Semiconductors | SEC FORM 4 Code M | —3,940 at $0.00 | filing |
| 13 Jun 2026filed 15 Jun 2026 | MRVL Marvell TechnologySemiconductors | SEC FORM 4 Code M | —3,940 at $0.00 | filing |
| 3 Jun 2026filed 5 Jun 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code A | —24,183 at $0.00 | filing |
| 3 Jun 2026filed 5 Jun 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code A | —24,183 at $0.00 | filing |
| 3 Mar 2026filed 5 Mar 2026 | ACM AecomEngineering & Construction | SEC FORM 4 Code A | —2,002 at $0.00 | filing |
| 3 Mar 2026filed 5 Mar 2026 | ACM AecomEngineering & Construction | SEC FORM 4 Code A | —2,002 at $0.00 | filing |
| 31 Oct 2025filed 31 Oct 2025 | QS QuantumScapeoption or derivative · Electronic Components & EMS | SEC FORM 4 Code M | —300,000 at $0.00 | filing |
| 31 Oct 2025filed 31 Oct 2025 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code M | $1.9M300,000 at $6.23 | filing |
| 31 Oct 2025filed 31 Oct 2025 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Sold | $2.2M125,000 at $17.37 | filing |
| 31 Oct 2025filed 31 Oct 2025 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Sold | $3.2M175,000 at $18.41 | filing |
| 24 Oct 2025filed 28 Oct 2025 | QS QuantumScapeoption or derivative · Electronic Components & EMS | SEC FORM 4 Code M | —400,000 at $0.00 | filing |
| 24 Oct 2025filed 28 Oct 2025 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code M | $2.5M400,000 at $6.23 | filing |
| 24 Oct 2025filed 28 Oct 2025 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Sold | $3.0M200,000 at $15.06 | filing |
| 24 Oct 2025filed 28 Oct 2025 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Sold | $3.3M200,000 at $16.44 | filing |
| 13 Jun 2025filed 16 Jun 2025 | MRVL Marvell Technologyoption or derivative · Semiconductors | SEC FORM 4 Code M | —3,289 at $0.00 | filing |
| 13 Jun 2025filed 16 Jun 2025 | MRVL Marvell Technologyoption or derivative · Semiconductors | SEC FORM 4 Code A | —3,940 at $0.00 | filing |
News
QuantumScape 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 2026QuantumScape (QS) Set to Announce Earnings on WednesdayQS · dailypolitical.com · 19 Oct 2026
0 headlines in the last 90 days name Brad W. Buss; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.