Who
Geoffrey G. Ribar
Director
Company insider
Files Form 4 as: Director, QuantumScape; Director, Everspin Technologies; Director, MACOM Technology Solutions Holdings; Director, Acacia Research; Director, Aquantia; Sr. VP, CFO, Cadence Design Systems; Sr. Vice President & CFO, Sirf Technology Holdings.
In numbers
- Trades disclosed
- 155
- Buys
- 5
- Sells
- 29
- Bought
- $512K
- Sold
- $22.3M
- Companies
- 7
- Companies where not an officer
- 5
- First trade
- 18 Jan 2006
- Last trade
- 3 Jun 2026
- Last filed
- 5 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 | |
|---|---|---|---|---|
| 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 |
| 21 May 2026filed 22 May 2026 | MRAM Everspin TechnologiesSemiconductors | SEC FORM 4 Code A | —3,852 at $0.00 | filing |
| 21 May 2026filed 22 May 2026 | MRAM Everspin TechnologiesSemiconductors | SEC FORM 4 Code A | —3,852 at $0.00 | filing |
| 20 May 2026filed 21 May 2026 | MRAM Everspin TechnologiesSemiconductors | SEC FORM 4 Sold | $794K27,488 at $28.87 | filing |
| 20 May 2026filed 21 May 2026 | MRAM Everspin TechnologiesSemiconductors | SEC FORM 4 Sold | $794K27,488 at $28.87 | filing |
| 11 May 2026filed 13 May 2026 | MTSI MACOM Technology Solutions HoldingsSemiconductors | SEC FORM 4 Sold | $587K1,623 at $361.84 | filing |
| 11 May 2026filed 13 May 2026 | MTSI MACOM Technology Solutions HoldingsSemiconductors | SEC FORM 4 Sold | $587K1,623 at $361.84 | filing |
| 6 Mar 2026filed 10 Mar 2026 | MTSI MACOM Technology Solutions HoldingsSemiconductors | SEC FORM 4 Code A | —776 at $0.00 | filing |
| 6 Mar 2026filed 10 Mar 2026 | MTSI MACOM Technology Solutions HoldingsSemiconductors | SEC FORM 4 Code A | —776 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | MTSI MACOM Technology Solutions HoldingsSemiconductors | SEC FORM 4 Sold | $569K2,244 at $253.59 | filing |
| 25 Feb 2026filed 27 Feb 2026 | MTSI MACOM Technology Solutions HoldingsSemiconductors | SEC FORM 4 Sold | $569K2,244 at $253.59 | filing |
| 29 Jan 2026filed 30 Jan 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code A | —29,878 at $0.00 | filing |
| 29 Jan 2026filed 30 Jan 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code A | —6,224 at $0.00 | filing |
| 29 Jan 2026filed 30 Jan 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code A | —29,878 at $0.00 | filing |
| 29 Jan 2026filed 30 Jan 2026 | QS QuantumScapeElectronic Components & EMS | SEC FORM 4 Code A | —6,224 at $0.00 | filing |
| 30 May 2025filed 3 Jun 2025 | ACTG Acacia ResearchFunds, Shells & SPACs | SEC FORM 4 Code A | —32,172 at $0.00 | filing |
| 22 May 2025filed 27 May 2025 | MRAM Everspin TechnologiesSemiconductors | SEC FORM 4 Code A | —20,325 at $0.00 | filing |
| 7 Mar 2025filed 11 Mar 2025 | MTSI MACOM Technology Solutions HoldingsSemiconductors | SEC FORM 4 Code A | —1,623 at $0.00 | filing |
| 12 Feb 2025filed 14 Feb 2025 | MTSI MACOM Technology Solutions HoldingsSemiconductors | SEC FORM 4 Sold | $809K6,656 at $121.61 | filing |
News
MACOM Technology Solutions (NASDAQ:MTSI) vs. Broadcom (NASDAQ:AVGO) Financial SurveyMTSI · themarketsdaily.com · 10 Oct 2026
0 headlines in the last 90 days name Geoffrey G. Ribar; 1 article from the last 14 days about the 2 companies they traded most, at most three about any one of them.