Updated Jul 16, 2026 · Last SEC filing 2026-06-18
Silvaco Group, Inc. (SVCO) has filed 19 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-18. 5 Form 8-K material event filings were reported by SVCO in the last 90 days. 3 Form 144 notices of proposed sale were filed for SVCO stock. InsiderAlpha tracks every SVCO SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Services-Prepackaged Software (SIC 7372) |
|---|---|
| SEC CIK | 0001943289 |
| Form 4 filings (90d) | 19 |
|---|---|
| Form 8-K filings (90d) | 5 |
| Form 144 notices (90d) | 3 |
| Latest Form 4 filing | 2026-06-18 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Ngai Anthony K.K. | Director | P — Open-market purchase | 500 | $12.50 | $6K | SEC | |
| Ngai-Pesic Katherine S. | Director | S — Open-market sale | 200.0K | $11.27 | $2.25M | SEC | |
| Ngai Anthony K.K. | Director | P — Open-market purchase | 1.0K | $13.07 | $13K | SEC | |
| Pesic Illiya I. | Director | S — Open-market sale | 6.0K | $12.96 | $78K | SEC | |
| RHINES WALDEN C | Chief Executive Officer | A — Grant or award | 154.7K | $0.00 | — | SEC | |
| Jackson Candace | See Remarks | S — Open-market sale | 2.0K | $11.00 | $22K | SEC | |
| Pesic Illiya I. | Director | A — Grant or award | 953 | $0.00 | — | SEC | |
| Ganti Anita | Director | A — Grant or award | 1.2K | $0.00 | — | SEC | |
| Ngai Anthony K.K. | Director | A — Grant or award | 1.4K | $0.00 | — | SEC | |
| Ngai-Pesic Katherine S. | Director | A — Grant or award | 1.7K | $0.00 | — | SEC | |
| Molloie William H. Jr. | Insider | A — Grant or award | 2.0K | $0.00 | — | SEC | |
| Ngai-Pesic Katherine S. | Director | A — Grant or award | 17.6K | $0.00 | — | SEC | |
| Lee Hau L. | Insider | A — Grant or award | 2.7K | $0.00 | — | SEC | |
| Bo-Linn Cheemin | Director | A — Grant or award | 17.6K | $0.00 | — | SEC | |
| Tewksbury Ted L III | Director | A — Grant or award | 17.6K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Silvaco Group, Inc. (SVCO). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Ngai Anthony K.K. | 4 | $19K |
| Pesic Illiya I. | 3 | $78K |
| Ngai-Pesic Katherine S. | 3 | $2.25M |
| Ganti Anita | 2 | — |
| RHINES WALDEN C | 1 | — |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in SVCO insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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