Silvaco Group, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Ngai Anthony K.K. | — | Purchase | 1,000 | $4.23 | $4,230 | 91,777 | Dec 11, 2025 |
| Ngai-Pesic Katherine S. | — | Purchase | 25,000 | $4.13 | $103,250 | 10,303,886 | Dec 10, 2025 |
| RHINES WALDEN C | Chief Executive Officer | Purchase | 13,100 | $4.01 | $52,531 | 105,918 | Dec 9, 2025 |
| Ngai-Pesic Katherine S. | — | Gift | 170,000 | — | — | 10,278,886 | Dec 9, 2025 |
| Zegarelli Christopher John | Chief Financial Officer | Purchase | 10,000 | $3.80 | $38,000 | 439,407 | Dec 8, 2025 |
| Jackson Candace | See Remarks | Sale | 8,300 | $4.25 | $35,275 | 43,069 | Nov 19, 2025 |
| Ngai Anthony K.K. | — | Purchase | 10,000 | $4.26 | $42,600 | 90,777 | Nov 18, 2025 |
| RHINES WALDEN C | Chief Executive Officer | Purchase | 29,000 | $4.07 | $118,030 | 92,818 | Nov 18, 2025 |
| Zegarelli Christopher John | Chief Financial Officer | Purchase | 5,000 | $3.91 | $19,550 | 429,407 | Nov 17, 2025 |
| RHINES WALDEN C | Chief Executive Officer | Purchase | 11,272 | $3.90 | $43,961 | 63,818 | Nov 17, 2025 |
| Jackson Candace | See Remarks | Tax Withholding | 2,510 | $5.44 | $13,654 | 51,369 | Oct 1, 2025 |
| Zegarelli Christopher John | Chief Financial Officer | Award / Grant | 415,914 | — | — | 424,407 | Sep 15, 2025 |
| Ngai Anthony K.K. | — | Purchase | 2,000 | $5.32 | $10,640 | 76,077 | Sep 11, 2025 |
| Taheri Babak A. | Chief Executive Officer | Tax Withholding | 9,155 | $4.65 | $42,571 | 773,157 | Aug 13, 2025 |
| Jackson Candace | See Remarks | Tax Withholding | 788 | $5.00 | $3,940 | 53,879 | Jul 1, 2025 |
| Guichard Eric | See Remarks | Tax Withholding | 1,570 | $5.00 | $7,850 | 101,812 | Jul 1, 2025 |
| Taheri Babak A. | Chief Executive Officer | Tax Withholding | 8,270 | $5.00 | $41,350 | 782,312 | Jul 1, 2025 |
| Ngai-Pesic Katherine S. | — | Gift | 3,919 | — | — | 10,455,886 | Jun 25, 2025 |
| Pesic Yelena I. | — | Sale | 5,763 | $5.01 | $28,873 | 3,903,073 | Jun 10, 2025 |
| Ngai-Pesic Katherine S. | — | Sale | 15,000 | $4.91 | $73,650 | 10,477,355 | Jun 4, 2025 |
| Lee Hau L. | — | Award / Grant | 31,250 | — | — | 44,688 | May 22, 2025 |
| RHINES WALDEN C | — | Award / Grant | 31,250 | — | — | 52,546 | May 22, 2025 |
| Ngai Anthony K.K. | — | Award / Grant | 31,250 | — | — | 69,077 | May 22, 2025 |
| Pesic Illiya I. | — | Award / Grant | 31,250 | — | — | 5,779,899 | May 22, 2025 |
| Molloie William H. Jr. | — | Award / Grant | 31,250 | — | — | 31,250 | May 22, 2025 |
| Shelton Jodi Lynn | — | Award / Grant | 31,250 | — | — | 31,250 | May 22, 2025 |
| Ganti Anita | — | Award / Grant | 31,250 | — | — | 33,469 | May 22, 2025 |
| Ngai-Pesic Katherine S. | — | Award / Grant | 31,250 | — | — | 10,492,355 | May 22, 2025 |
| Taheri Babak A. | Chief Executive Officer | Purchase | 20,949 | $4.93 | $103,279 | 785,031 | May 19, 2025 |
| Taheri Babak A. | Chief Executive Officer | Tax Withholding | 23,494 | $4.47 | $105,018 | 764,082 | May 13, 2025 |
| Jackson Candace | See Remarks | Award / Grant | 35,224 | — | — | 55,572 | Apr 8, 2025 |
| Guichard Eric | See Remarks | Tax Withholding | 1,068 | $4.63 | $4,945 | 104,048 | Apr 8, 2025 |
| Benton Ryan A | Chief Financial Officer | Sale | 168 | $4.63 | $778 | 219,940 | Apr 1, 2025 |
| Taheri Babak A. | Chief Executive Officer | Tax Withholding | 4,426 | $3.77 | $16,686 | 787,576 | Apr 1, 2025 |
| Pesic Yelena I. | — | Sale | 15,000 | $5.07 | $76,050 | 3,908,836 | Mar 14, 2025 |
| Ngai-Pesic Katherine S. | — | Sale | 25,000 | $5.06 | $126,500 | 10,461,105 | Mar 14, 2025 |
| Pesic Illiya I. | — | Sale | 15,000 | $4.88 | $73,200 | 5,748,649 | Mar 13, 2025 |
| Jackson Candace | See Remarks | Tax Withholding | 767 | $4.83 | $3,705 | 20,348 | Mar 5, 2025 |
| Guichard Eric | See Remarks | Tax Withholding | 3,313 | $4.83 | $16,002 | 59,697 | Mar 5, 2025 |
| Benton Ryan A | Chief Financial Officer | Tax Withholding | 7,492 | $4.83 | $36,186 | 220,108 | Mar 5, 2025 |
| Taheri Babak A. | Chief Executive Officer | Tax Withholding | 15,656 | $4.83 | $75,618 | 531,276 | Mar 5, 2025 |
| Taheri Babak A. | Chief Executive Officer | Gift | 20,000 | — | — | 515,260 | Dec 10, 2024 |
| Guichard Eric | See Remarks | Sale | 25,000 | $7.19 | $179,750 | 57,902 | Nov 15, 2024 |
| Benton Ryan A | Chief Financial Officer | Tax Withholding | 1,673 | $6.96 | $11,644 | 214,418 | Nov 7, 2024 |
| Taheri Babak A. | Chief Executive Officer | Tax Withholding | 182,225 | $6.27 | $1,142,551 | 533,760 | Nov 4, 2024 |
| Guichard Eric | See Remarks | Tax Withholding | 18,278 | $6.27 | $114,603 | 82,902 | Nov 4, 2024 |
| CAMPOSANO RAUL | Chief Technology Officer | Tax Withholding | 17,141 | $6.27 | $107,474 | 67,859 | Nov 4, 2024 |
| Benton Ryan A | Chief Financial Officer | Tax Withholding | 21,409 | $6.27 | $134,234 | 216,091 | Nov 4, 2024 |
| Taheri Babak A. | Chief Executive Officer | Tax Withholding | 182,225 | $6.27 | $1,142,551 | 533,760 | Nov 4, 2024 |
| Pesic Yelena I. | — | Award / Grant | 3,323,836 | — | — | 3,923,836 | Jul 31, 2024 |