Updated Jul 16, 2026
RHINES WALDEN C has filed 1 SEC Form 4 filing across 1 company in the last 90 days.

Walden C. Rhines is a veteran American executive in the semiconductor and electronic design automation (EDA) industry. As of the latest SEC filing on 2026-03-02, he is listed as a director of Qorvo, Inc. and as the chief executive officer of Silvaco Group, Inc. He is widely recognized for leadership in EDA and semiconductor tools and has historically held senior leadership roles across multiple technology firms, including serving as chief executive officer of Mentor Graphics, a prominent EDA company. Rhines has contributed to governance, strategy, and growth initiatives across the semiconductor tools ecosystem and has served on the boards of several technology companies.
| Role | Chief Executive Officer, Director |
|---|---|
| Notability | 78/100 |
| Links | Wikipedia |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-27 | SVCO | Silvaco Group, Inc. | A — Grant or award | 154.7K | $0.00 | |
| 2026-03-02 | SVCO | Silvaco Group, Inc. | A — Grant or award | 28.2K | $0.00 | |
| 2025-08-14 | QRVO | Qorvo, Inc. | A — Grant or award | 2.5K | $0.00 | |
| 2025-05-22 | SVCO | Silvaco Group, Inc. | A — Grant or award | 31.2K | $0.00 |
Walden C. Rhines is a veteran American executive in the semiconductor and electronic design automation (EDA) industry. As of the latest SEC filing on 2026-03-02, he is listed as a director of Qorvo, Inc. and as the chief executive officer of Silvaco Group, Inc. He is widely recognized for leadership in EDA and semiconductor tools and has historically held senior leadership role…
1 primary Form 4 filings in the last 90 days, covering 1 company.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live RHINES WALDEN C profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.