Walden C Rhines bought $118k of SVCO
Chief Executive Officer at Silvaco Group, Inc.. 29,000 shares at an average of $4.07, traded Nov 18, 2025, filed Nov 19, 2025.
Score components
- +25RoleCEO
- +10Trade size$118k at market
- +6Relative to holdingsHoldings up 45%
- +18Price context6% above the 52-week low; 59% below the 52-week high
- +15Cluster3 insiders buying within 14 days
- +5Repeat buying2 buys in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001628280-25-053211, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Nov 18, 2025 | POpen-market purchase Common Stock | +29,000 | $4.07 | $118k | 92,818 | Nov 19, 2025 |
Related signals
Other insiders at Silvaco Group, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 15Weak | SVCOsell Silvaco Group, Inc. | Candace Jackson See Remarks | $7,506 1,500 shares | -3% | |
| 40Moderate | SVCOsell Silvaco Group, Inc. | Katherine S. Ngai-Pesic director, owner, other | $2.0M 950,000 shares | -9% | |
| 38Weak | Silvaco Group, Inc. | Illiya I. Pesic other | $773k 400,000 shares | -7% | |
| 27Weak | SVCOsell Silvaco Group, Inc. | Yelena I. Pesic other | $597k 300,000 shares | -8% | |
| 43Moderate | Silvaco Group, Inc. | Anthony K.K. Ngai director | $4,230 1,000 shares | +1% | |
| 43Moderate | Silvaco Group, Inc. | Katherine S. Ngai-Pesic director, owner, other | $103k 25,000 shares | +0% | |
| 73Notable | Silvaco Group, Inc. | Walden C Rhines Chief Executive Officer | $53k 13,100 shares | +14% | |
| 66Notable | Silvaco Group, Inc. | Christopher John Zegarelli Chief Financial Officer | $38k 10,000 shares | +2% | |
| 62Notable | Silvaco Group, Inc. | Anthony K.K. Ngai director | $43k 10,000 shares | +12% | |
| 34Weak | Silvaco Group, Inc. | Candace Jackson See Remarks | $35k 8,300 shares | -16% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.