X0609 4 2026-08-11 0 0001943289 Silvaco Group, Inc. SVCO 0001595341 Bo-Linn Cheemin false C/O SILVACO GROUP, INC. 4701 PATRICK HENRY DR., BLDG. #23 SANTA CLARA CA 95054 1 0 0 0 1 Common Stock 2026-08-11 4 A 0 1400 0 A 18964 D Common Stock 2026-08-11 4 S 0 700 7.2755 D 18264 D The shares of Silvaco Group, Inc. (the "Issuer") common stock were awarded to the Reporting Person pursuant to an amendment to the Issuer's non-employee director compensation plan providing for the replacement of the quarterly cash retainer earned in the second quarter of fiscal 2026 with an award of Issuer common stock with a fair market value equal to such quarterly cash retainer. The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on May 12, 2026. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.25 to $7.33, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. /s/ Candace Jackson, as Attorney-in-Fact 2026-08-12