Silvaco Group, Inc.
A maker of software that lets engineers design, simulate, and test the semiconductor chips inside phones, cars, and medical devices, Silvaco provides chip-design (EDA) and process-simulation (TCAD) tools used across the electronics industry. Founded in 1984 by Dr. Ivan Pesic in Santa Clara, California, its name blends "Silicon Valley" and "Company," and its first product became an industry standard for modeling chip parameters.
Granted 22.5K · Bought 25.0K · Sold 900.0K
Granted 20.8K · Sold 406.0K
Sold 300.0K
Granted 515.9K · Bought 20.1K · Sold 2.4K
Granted 182.9K · Bought 53.4K
Granted 22.2K · Bought 24.2K
Granted 21.5K
Granted 6.5K
Granted 15.0K · Sold 17.1K
Granted 4.8K
Granted 4.3K
Granted 17.6K
Granted 17.6K
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Ngai-Pesic Katherine S.Director, 10% owner · 8 transactions | -12.2% | 9.18M | 22.5K | 25.0K | 900.0K |
| Pesic Illiya I.Director, 10% owner · 6 transactions | -6.7% | 5.39M | 20.8K | — | 406.0K |
| Pesic Yelena I.Member of 10% owner group · 1 transaction | -7.7% | 3.60M | — | — | 300.0K |
| Zegarelli Christopher JohnChief Financial Officer · 6 transactions | — | 537.0K | 515.9K | 20.1K | 2.4K |
| Rhines Walden CChief Executive Officer, Director · 5 transactions | +449.7% | 288.8K | 182.9K | 53.4K | — |
| Ngai Anthony K.K.Director · 13 transactions | +67.2% | 115.5K | 22.2K | 24.2K | — |
| Ganti AnitaDirector · 3 transactions | +87.7% | 62.8K | 21.5K | — | — |
| Lee Hau L.Former Director · 2 transactions | +14.5% | 51.2K | 6.5K | — | — |
| Jackson CandaceSee Remarks · 8 transactions | -14.1% | 46.3K | 15.0K | — | 17.1K |
| Molloie William H. Jr.Former Director · 2 transactions | +15.2% | 36.0K | 4.8K | — | — |
| Shelton Jodi LynnFormer Director · 2 transactions | +13.8% | 35.6K | 4.3K | — | — |
| Bo-Linn CheeminDirector · 1 transaction | — | 17.6K | 17.6K | — | — |
| Tewksbury Ted L IIIDirector · 1 transaction | — | 17.6K | 17.6K | — | — |
Select a row to see that insider’s individual transactions.
Net open-market activity over the last year: -1.50M shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.