Sec Form 3 Filing - CAMPOSANO RAUL @ Silvaco Group, Inc. - 2024-05-08

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person CAMPOSANO RAUL 2. Issuer Name and Ticker or Trading Symbol Silvaco Group, Inc. [ SVCO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Technology Officer (Last) (First) (Middle) C/O SILVACO GROUP, INC., 4701 PATRICK HENRY DRIVE, BUILDING #23 3. Date of Earliest Transaction (MM/DD/YY) 05/08/2024 (Street) SANTA CLARA, CA95054 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 85,000 ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other CAMPOSANO RAUL C/O SILVACO GROUP, INC. 4701 PATRICK HENRY DRIVE, BUILDING #23 SANTA CLARA, CA95054 Chief Technology Officer Signatures /s/ Raul Camposano 05/08/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each restricted stock unit ("RSUs") represents a contingent right to receive one share of Silvaco Group, Inc. common stock. The amount of securities reported on this Form 3 has been adjusted to reflect a 1-for-2 reverse stock split, which became effective with the State of Delaware on April 29, 2024 in connection with the Issuer's initial public offering (the "IPO"). ( 2 )Includes an award of 2,500 RSUs granted on September 21, 2016, with a vesting start date of September 21, 2016, under the Silvaco Group, Inc. Amended and Restated 2014 Stock Incentive Plan(the "2014 Plan") that are subject to both a time-based vesting requirement and a liquidity event vesting requirement. The liquidity event vesting requirement will be met upon the consummation ofthe IPO. The time-based vesting requirement was satisfied with respect to all 2,500 RSUs as of September 21, 2020. ( 3 )Includes an award of 50,000 RSUs granted on April 22, 2022, with a vesting start date of February 1, 2022, under the 2014 Plan that are subject to both a time-based vesting requirement and a liquidity event vesting requirement. The liquidity event vesting requirement will be met upon the consummation of the IPO. Pursuant to the Silvaco Group, Inc. Executive Severance Plan, upon the closing of the IPO the reporting person, as a named executive officer, will be entitled to accelerate the satisfaction of the time-based vesting requirement with respect to 50% of the unvested portion of the reporting person's RSUs outstanding as of the closing of the IPO, subject to the reporting person's continuous service through such date (the "Time-Based Vesting Requirement Acceleration"). Upon the closing of the IPO and in accordance with the Time-Based Vesting Requirement Acceleration, the time-based vesting requirement will be satisfied with respect to 39,062 shares. The remaining 10,938 ( 4 )[continued from footnote 3] will satisfy the time-based vesting requirement in equal quarterly installments from July 1, 2024 to April 1, 2025, subject to the reporting person's continuous service through each applicable vesting date. ( 5 )Includes an award of 22,500 RSUs granted on January 26, 2023, with a vesting start date of January 1, 2023, under the 2014 Plan that are subject to both a time-based vesting requirement and a liquidity event vesting requirement. The liquidity event vesting requirement will be met upon the consummation of the IPO. Upon the closing of the IPO and in accordance with the Time-Based Vesting Requirement Acceleration, the time-based vesting requirement will be satisfied with respect to 14,765 shares. The remaining 7,735 shares will satisfy the time-based vesting requirement in equal quarterly installments from July 1, 2024 to October 1, 2025, subject to the reporting person's continuous service through each applicable vesting date. ( 6 )Includes an award of 10,000 RSUs granted on January 29, 2024, with a vesting start date of January 1, 2024, under the 2014 Plan that are subject to both a time-based vesting requirement and a liquidity event vesting requirement. The liquidity event vesting requirement will be met upon the consummation of the IPO. Upon the closing of the IPO and in accordance with the Time-Based Vesting Requirement Acceleration, the time-based vesting requirement will be satisfied with respect to 5,000. Of the remaining 5,000 shares, 2,500 shares will satisfy the time-based vesting requirement on January 1, 2025 and 2,500 shares will satisfy the time-based vesting requirement in equal quarterly installments from April 1, 2025 to January 1, 2026, in each case subject to the reporting person's continuous service through each applicable vesting date.

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