Tapewire

Nasdaq · USD

SVCO

Silvaco Group, Inc.

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Tapewire entity
6240
SEC CIK
0001943289
Parsed reports
123

Last 12 months

Inside the activity.

11 purchase rows · 16 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202543
Dec 202541
Jan 202601
Feb 202600
Mar 202601
Apr 202602
May 202601
Jun 202622
Jul 202600
Aug 202615
Sep 202600
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
December 09, 2025 Filed Dec 9, 2025 21:15 UTC
Ngai-Pesic Katherine S.Director · 10% owner · Member of 10% owner group
GiftCommon Stock 170,000 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-056078 · wk-form4_1765314944.xml · nonDerivative · entry 1

Ngai-Pesic Katherine S. · CIK 0001992594 · Director · 10% owner · Member of 10% owner group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,278,886

F1 · price: Represents a bona fide gift transaction for no value.

Read SEC document
December 08, 2025 Filed Dec 8, 2025 21:11 UTC
Zegarelli Christopher JohnChief Financial Officer
PurchaseCommon Stock 10,000 $3.80 $37,950.00
Disclosure

SEC source: 0001628280-25-055824 · wk-form4_1765228294.xml · nonDerivative · entry 1

Zegarelli Christopher John · CIK 0002090610 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 439,407

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.78 to $3.81, inclusive. The reporting person undertakes to provide to Silvaco Group, Inc. (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 purchased at each separate price within the ranges set forth in this footnote.

Read SEC document
December 04, 2025 Filed Mar 19, 2026 19:30 UTC
Pesic Yelena I.Member of 10% owner group
SaleCommon Stock 300,000 $1.99 $597,000.00
Disclosure

SEC source: 0001628280-26-019942 · wk-form4_1773963027.xml · nonDerivative · entry 1

Pesic Yelena I. · CIK 0002022508 · Member of 10% owner group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,603,073

F1 · kind: The transaction reported in this Form 4 has been reported after the reporting deadline because the Reporting Person initially believed the transaction constituted a non-reportable pledge of Issuer securities. The Reporting Person has subsequently determined to report the transaction based on the terms of the arrangement. The nature of the transaction is currently the subject of a dispute in an arbitral proceeding.

F2 · price: The reported price reflects the implied per-share value of shares transferred pursuant to an arrangement described as a non-recourse stock loan, in which the shares were transferred to the counterparty and the loan proceeds were limited to approximately 45% of the market value of the transferred shares, as determined under the terms of the arrangement, rather than a negotiated sale price.

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November 25, 2025 Filed Mar 19, 2026 23:31 UTC
Ngai-Pesic Katherine S.Director · 10% owner · Member of 10% owner group
SaleCommon Stock 400,000 $2.00 $799,520.00
Disclosure

SEC source: 0001628280-26-019944 · wk-form4_1773963057.xml · nonDerivative · entry 3

Ngai-Pesic Katherine S. · CIK 0001992594 · Director · 10% owner · Member of 10% owner group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,353,886

F1 · shares: The transactions reported in this Form 4 have been reported after the reporting deadlines because the Reporting Person initially believed each of the transactions constituted a non-reportable pledge of Issuer securities. The Reporting Person has subsequently determined to report the transactions based on the terms of the arrangement. The nature of the transactions is currently the subject of a dispute in an arbitral proceeding. Based on the reported transaction prices, the Reporting Person does not believe that any profit would be recoverable from any opposite-way transactions within six months under Section 16(b) of the Exchange Act.

F2 · price: The reported price reflects the implied per-share value of shares transferred pursuant to an arrangement described as a non-recourse stock loan, in which the shares were transferred to the counterparty and the loan proceeds were limited to approximately 45% of the market value of the transferred shares, as determined under the terms of the arrangement, rather than a negotiated sale price.

Read SEC document
November 19, 2025 Filed Nov 19, 2025 21:37 UTC
Jackson CandaceSee Remarks
SaleCommon Stock 8,300 $4.25 $35,275.00
Disclosure

SEC source: 0001628280-25-053213 · wk-form4_1763588241.xml · nonDerivative · entry 1

Jackson Candace · CIK 0002039235 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,069

Read SEC document
November 18, 2025 Filed Nov 19, 2025 21:36 UTC
RHINES WALDEN CDirector · Chief Executive Officer
PurchaseCommon Stock 29,000 $4.07 $118,166.30
Disclosure

SEC source: 0001628280-25-053211 · wk-form4_1763588178.xml · nonDerivative · entry 1

RHINES WALDEN C · CIK 0001221184 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,818

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.00 to $4.18, inclusive. The reporting person undertakes to provide to Silvaco Group, Inc. (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.

Read SEC document
November 18, 2025 Filed Nov 21, 2025 00:29 UTC PurchaseCommon Stock 10,000 $4.26 $42,559.00
Disclosure

SEC source: 0001628280-25-053466 · wk-form4_1763684978.xml · nonDerivative · entry 1

Ngai Anthony K.K. · CIK 0001992498 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,777

Read SEC document
November 17, 2025 Filed Nov 18, 2025 21:06 UTC
Zegarelli Christopher JohnChief Financial Officer
PurchaseCommon Stock 5,000 $3.91 $19,550.00
Disclosure

SEC source: 0001628280-25-052863 · wk-form4_1763499974.xml · nonDerivative · entry 1

Zegarelli Christopher John · CIK 0002090610 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 429,407

Read SEC document
November 17, 2025 Filed Nov 18, 2025 21:05 UTC
RHINES WALDEN CDirector · Chief Executive Officer
PurchaseCommon Stock 11,272 $3.90 $43,981.09
Disclosure

SEC source: 0001628280-25-052862 · wk-form4_1763499955.xml · nonDerivative · entry 1

RHINES WALDEN C · CIK 0001221184 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,818

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.88 to $4.00, inclusive. The reporting person undertakes to provide to Silvaco Group, Inc. (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.

Read SEC document
November 17, 2025 Filed Mar 19, 2026 23:30 UTC
Pesic Illiya I.Member of 10% owner group
SaleCommon Stock 300,000 $1.93 $579,000.00
Disclosure

SEC source: 0001628280-26-019943 · wk-form4_1773963043.xml · nonDerivative · entry 1

Pesic Illiya I. · CIK 0001993374 · Member of 10% owner group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,479,899

F1 · shares: The transactions reported in this Form 4 have been reported after the reporting deadlines because the Reporting Person initially believed each of the transactions constituted a non-reportable pledge of Issuer securities. The Reporting Person has subsequently determined to report the transactions based on the terms of the arrangement. The nature of the transactions is currently the subject of a dispute in an arbitral proceeding.

F2 · price: The reported price reflects the implied per-share value of shares transferred pursuant to an arrangement described as a non-recourse stock loan, in which the shares were transferred to the counterparty and the loan proceeds were limited to approximately 45% of the market value of the transferred shares, as determined under the terms of the arrangement, rather than a negotiated sale price.

Read SEC document
October 01, 2025 Filed Oct 6, 2025 21:01 UTC
Jackson CandaceSee Remarks
Tax withholdingCommon Stock 2,510 $5.44 $13,654.40
Disclosure

SEC source: 0001628280-25-044346 · wk-form4_1759784515.xml · nonDerivative · entry 1

Jackson Candace · CIK 0002039235 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,369

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations associated with the vesting of restricted stock units.

Read SEC document
October 01, 2025 Filed Oct 8, 2025 22:50 UTC
Zegarelli Christopher JohnChief Financial Officer
GrantCommon Stock 415,914 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-044639 · wk-form4_1759963830.xml · nonDerivative · entry 2

Zegarelli Christopher John · CIK 0002090610 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 424,407

F1 · shares: Represents Restricted Stock Units ("RSUs") granted to the Reporting Person. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on October 1, 2025, and 25% of the RSUs shall vest on the first anniversary of the grant date, while the remaining RSUs shall vest in twelve equal quarterly installments until fully vested on October 1, 2029.

Read SEC document
September 16, 2025 Filed Mar 19, 2026 23:31 UTC
Ngai-Pesic Katherine S.Director · 10% owner · Member of 10% owner group
SaleCommon Stock 300,000 $2.26 $677,550.00
Disclosure

SEC source: 0001628280-26-019944 · wk-form4_1773963057.xml · nonDerivative · entry 2

Ngai-Pesic Katherine S. · CIK 0001992594 · Director · 10% owner · Member of 10% owner group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,753,886

F1 · shares: The transactions reported in this Form 4 have been reported after the reporting deadlines because the Reporting Person initially believed each of the transactions constituted a non-reportable pledge of Issuer securities. The Reporting Person has subsequently determined to report the transactions based on the terms of the arrangement. The nature of the transactions is currently the subject of a dispute in an arbitral proceeding. Based on the reported transaction prices, the Reporting Person does not believe that any profit would be recoverable from any opposite-way transactions within six months under Section 16(b) of the Exchange Act.

F2 · price: The reported price reflects the implied per-share value of shares transferred pursuant to an arrangement described as a non-recourse stock loan, in which the shares were transferred to the counterparty and the loan proceeds were limited to approximately 45% of the market value of the transferred shares, as determined under the terms of the arrangement, rather than a negotiated sale price.

Read SEC document
September 15, 2025 Filed Oct 8, 2025 22:50 UTC
Zegarelli Christopher JohnChief Financial Officer
PurchaseCommon Stock 5,100 $5.03 $25,653.00
Disclosure

SEC source: 0001628280-25-044639 · wk-form4_1759963830.xml · nonDerivative · entry 1

Zegarelli Christopher John · CIK 0002090610 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,493

Read SEC document
September 11, 2025 Filed Sep 15, 2025 21:48 UTC PurchaseCommon Stock 2,000 $5.16 $10,312.20
Disclosure

SEC source: 0001992498-25-000003 · wk-form4_1757972920.xml · nonDerivative · entry 6

Ngai Anthony K.K. · CIK 0001992498 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,777

Read SEC document
September 10, 2025 Filed Sep 15, 2025 21:48 UTC PurchaseCommon Stock 200 $5.17 $1,034.00
Disclosure

SEC source: 0001992498-25-000003 · wk-form4_1757972920.xml · nonDerivative · entry 5

Ngai Anthony K.K. · CIK 0001992498 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,777

Read SEC document
September 10, 2025 Filed Sep 15, 2025 21:48 UTC PurchaseCommon Stock 500 $5.28 $2,638.10
Disclosure

SEC source: 0001992498-25-000003 · wk-form4_1757972920.xml · nonDerivative · entry 4

Ngai Anthony K.K. · CIK 0001992498 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,577

Read SEC document
September 10, 2025 Filed Sep 15, 2025 21:48 UTC PurchaseCommon Stock 2,000 $5.34 $10,675.00
Disclosure

SEC source: 0001992498-25-000003 · wk-form4_1757972920.xml · nonDerivative · entry 3

Ngai Anthony K.K. · CIK 0001992498 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,077

Read SEC document
September 09, 2025 Filed Sep 15, 2025 21:48 UTC PurchaseCommon Stock 2,000 $5.32 $10,637.00
Disclosure

SEC source: 0001992498-25-000003 · wk-form4_1757972920.xml · nonDerivative · entry 2

Ngai Anthony K.K. · CIK 0001992498 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,077

Read SEC document
September 08, 2025 Filed Sep 15, 2025 21:48 UTC PurchaseCommon Stock 5,000 $5.30 $26,493.00
Disclosure

SEC source: 0001992498-25-000003 · wk-form4_1757972920.xml · nonDerivative · entry 1

Ngai Anthony K.K. · CIK 0001992498 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,077

Read SEC document
August 13, 2025 Filed Aug 14, 2025 23:59 UTC
Taheri Babak A.Director · Chief Executive Officer
Tax withholdingCommon Stock 9,155 $4.65 $42,570.75
Disclosure

SEC source: 0001628280-25-040436 · wk-form4_1755215985.xml · nonDerivative · entry 1

Taheri Babak A. · CIK 0001992883 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 773,157

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations associated with the vesting of restricted stock units.

Read SEC document
July 02, 2025 Filed Jul 2, 2025 21:04 UTC
Ngai-Pesic Katherine S.Director · 10% owner · Member of 10% owner group
GiftCommon Stock 7,000 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-034057 · wk-form4_1751490285.xml · nonDerivative · entry 4

Ngai-Pesic Katherine S. · CIK 0001992594 · Director · 10% owner · Member of 10% owner group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,448,886

F1 · kind: Each transaction represents a bona fide gift transaction for no value. The Reporting Person initiated the gift transactions on June 13, 2025, and due to administrative processing, the gift transactions became irrevocable and were each completed on the transaction dates indicated in Table I.

Read SEC document
July 01, 2025 Filed Jul 2, 2025 21:03 UTC
Jackson CandaceSee Remarks
Tax withholdingCommon Stock 788 $5.00 $3,940.00
Disclosure

SEC source: 0001628280-25-034054 · wk-form4_1751490207.xml · nonDerivative · entry 1

Jackson Candace · CIK 0002039235 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,879

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations associated with the vesting of restricted stock units.

Read SEC document
July 01, 2025 Filed Jul 2, 2025 17:02 UTC
Guichard EricSee Remarks
Tax withholdingCommon Stock 1,570 $5.00 $7,850.00
Disclosure

SEC source: 0001628280-25-034051 · wk-form4_1751490139.xml · nonDerivative · entry 1

Guichard Eric · CIK 0001992226 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,812

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations associated with the vesting of restricted stock units.

Read SEC document
July 01, 2025 Filed Jul 2, 2025 21:01 UTC
Taheri Babak A.Director · Chief Executive Officer
Tax withholdingCommon Stock 8,270 $5.00 $41,350.00
Disclosure

SEC source: 0001628280-25-034049 · wk-form4_1751490061.xml · nonDerivative · entry 1

Taheri Babak A. · CIK 0001992883 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 782,312

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations associated with the vesting of restricted stock units.

F2 · balance_after: Includes 1,500 shares acquired under the Issuer's employee stock purchase plan on May 30, 2025, in a transaction exempt under Rule 16b-3(c).

Read SEC document
June 27, 2025 Filed Jul 2, 2025 21:04 UTC
Ngai-Pesic Katherine S.Director · 10% owner · Member of 10% owner group
GiftCommon Stock 3,919 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-034057 · wk-form4_1751490285.xml · nonDerivative · entry 3

Ngai-Pesic Katherine S. · CIK 0001992594 · Director · 10% owner · Member of 10% owner group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,455,886

F1 · kind: Each transaction represents a bona fide gift transaction for no value. The Reporting Person initiated the gift transactions on June 13, 2025, and due to administrative processing, the gift transactions became irrevocable and were each completed on the transaction dates indicated in Table I.

Read SEC document
June 26, 2025 Filed Mar 19, 2026 23:31 UTC
Ngai-Pesic Katherine S.Director · 10% owner · Member of 10% owner group
SaleCommon Stock 250,000 $2.15 $538,500.00
Disclosure

SEC source: 0001628280-26-019944 · wk-form4_1773963057.xml · nonDerivative · entry 1

Ngai-Pesic Katherine S. · CIK 0001992594 · Director · 10% owner · Member of 10% owner group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,053,886

F1 · shares: The transactions reported in this Form 4 have been reported after the reporting deadlines because the Reporting Person initially believed each of the transactions constituted a non-reportable pledge of Issuer securities. The Reporting Person has subsequently determined to report the transactions based on the terms of the arrangement. The nature of the transactions is currently the subject of a dispute in an arbitral proceeding. Based on the reported transaction prices, the Reporting Person does not believe that any profit would be recoverable from any opposite-way transactions within six months under Section 16(b) of the Exchange Act.

F2 · price: The reported price reflects the implied per-share value of shares transferred pursuant to an arrangement described as a non-recourse stock loan, in which the shares were transferred to the counterparty and the loan proceeds were limited to approximately 45% of the market value of the transferred shares, as determined under the terms of the arrangement, rather than a negotiated sale price.

Read SEC document
June 25, 2025 Filed Jul 2, 2025 21:04 UTC
Ngai-Pesic Katherine S.Director · 10% owner · Member of 10% owner group
GiftCommon Stock 10,000 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-034057 · wk-form4_1751490285.xml · nonDerivative · entry 2

Ngai-Pesic Katherine S. · CIK 0001992594 · Director · 10% owner · Member of 10% owner group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,459,805

F1 · kind: Each transaction represents a bona fide gift transaction for no value. The Reporting Person initiated the gift transactions on June 13, 2025, and due to administrative processing, the gift transactions became irrevocable and were each completed on the transaction dates indicated in Table I.

Read SEC document
June 20, 2025 Filed Jul 2, 2025 21:04 UTC
Ngai-Pesic Katherine S.Director · 10% owner · Member of 10% owner group
GiftCommon Stock 7,550 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-034057 · wk-form4_1751490285.xml · nonDerivative · entry 1

Ngai-Pesic Katherine S. · CIK 0001992594 · Director · 10% owner · Member of 10% owner group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,469,805

F1 · kind: Each transaction represents a bona fide gift transaction for no value. The Reporting Person initiated the gift transactions on June 13, 2025, and due to administrative processing, the gift transactions became irrevocable and were each completed on the transaction dates indicated in Table I.

Read SEC document
June 10, 2025 Filed Jun 12, 2025 17:12 UTC
Pesic Yelena I.Member of 10% owner group
SaleCommon Stock 5,763 $5.01 $28,851.31
Disclosure

SEC source: 0001628280-25-031087 · wk-form4_1749762748.xml · nonDerivative · entry 1

Pesic Yelena I. · CIK 0002022508 · Member of 10% owner group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,903,073

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.00 to $5.02, inclusive. The reporting person undertakes to provide to Silvaco Group, Inc. (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.

Read SEC document
June 04, 2025 Filed Jun 4, 2025 23:21 UTC
Ngai-Pesic Katherine S.Director · 10% owner · Member of 10% owner group
SaleCommon Stock 15,000 $4.91 $73,669.50
Disclosure

SEC source: 0001628280-25-029456 · wk-form4_1749079305.xml · nonDerivative · entry 1

Ngai-Pesic Katherine S. · CIK 0001992594 · Director · 10% owner · Member of 10% owner group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,477,355

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.86 to $4.95, inclusive. The reporting person undertakes to provide to Silvaco Group, Inc. (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.

Read SEC document
May 22, 2025 Filed May 28, 2025 00:00 UTC GrantCommon Stock 31,250 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-028020 · wk-form4_1748390420.xml · nonDerivative · entry 1

Ngai Anthony K.K. · CIK 0001992498 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,077

F1 · shares: The restricted stock units shall fully vest on the earlier of the one-year anniversary of the grant date or the Issuer's 2026 annual meeting of stockholders.

Read SEC document
May 22, 2025 Filed May 28, 2025 00:01 UTC
Lee Hau L.Director
GrantCommon Stock 31,250 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-028022 · wk-form4_1748390471.xml · nonDerivative · entry 1

Lee Hau L. · CIK 0001543682 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,688

F1 · shares: The restricted stock units shall fully vest on the earlier of the one-year anniversary of the grant date or the Issuer's 2026 annual meeting of stockholders.

Read SEC document
May 22, 2025 Filed May 28, 2025 00:00 UTC GrantCommon Stock 31,250 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-028021 · wk-form4_1748390451.xml · nonDerivative · entry 1

RHINES WALDEN C · CIK 0001221184 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,546

F1 · shares: The restricted stock units shall fully vest on the earlier of the one-year anniversary of the grant date or the Issuer's 2026 annual meeting of stockholders.

Read SEC document
May 22, 2025 Filed May 27, 2025 23:59 UTC
Pesic Illiya I.Member of 10% owner group
GrantCommon Stock 31,250 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-028019 · wk-form4_1748390381.xml · nonDerivative · entry 1

Pesic Illiya I. · CIK 0001993374 · Member of 10% owner group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,779,899

F1 · shares: The restricted stock units shall fully vest on the earlier of the one-year anniversary of the grant date or the Issuer's 2026 annual meeting of stockholders.

Read SEC document
May 22, 2025 Filed May 27, 2025 23:59 UTC GrantCommon Stock 31,250 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-028018 · wk-form4_1748390365.xml · nonDerivative · entry 1

Molloie William H. Jr. · CIK 0001992496 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,250

F1 · shares: The restricted stock units shall fully vest on the earlier of the one-year anniversary of the grant date or the Issuer's 2026 annual meeting of stockholders.

Read SEC document
May 22, 2025 Filed May 27, 2025 23:58 UTC GrantCommon Stock 31,250 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-028017 · wk-form4_1748390330.xml · nonDerivative · entry 1

Shelton Jodi Lynn · CIK 0001893241 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,250

F1 · shares: The restricted stock units shall fully vest on the earlier of the one-year anniversary of the grant date or the Issuer's 2026 annual meeting of stockholders.

Read SEC document
May 22, 2025 Filed May 27, 2025 23:58 UTC
Ganti AnitaDirector
GrantCommon Stock 31,250 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-028016 · wk-form4_1748390307.xml · nonDerivative · entry 1

Ganti Anita · CIK 0001807940 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,469

F1 · shares: The restricted stock units shall fully vest on the earlier of the one-year anniversary of the grant date or the Issuer's 2026 annual meeting of stockholders.

Read SEC document
May 22, 2025 Filed May 27, 2025 23:58 UTC
Ngai-Pesic Katherine S.Director · 10% owner · Member of 10% owner group
GrantCommon Stock 31,250 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-028015 · wk-form4_1748390274.xml · nonDerivative · entry 1

Ngai-Pesic Katherine S. · CIK 0001992594 · Director · 10% owner · Member of 10% owner group

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,492,355

F1 · shares: The restricted stock units shall fully vest on the earlier of the one-year anniversary of the grant date or the Issuer's 2026 annual meeting of stockholders.

Read SEC document
May 19, 2025 Filed May 19, 2025 20:51 UTC
Taheri Babak A.Director · Chief Executive Officer
PurchaseCommon Stock 4,051 $4.86 $19,673.68
Disclosure

SEC source: 0001628280-25-026550 · wk-form4_1747687870.xml · nonDerivative · entry 2

Taheri Babak A. · CIK 0001992883 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 789,082

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.74 to $4.99, 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 purchased at each separate price within the ranges set forth in this footnote.

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May 16, 2025 Filed May 19, 2025 20:51 UTC
Taheri Babak A.Director · Chief Executive Officer
PurchaseCommon Stock 20,949 $4.93 $103,318.37
Disclosure

SEC source: 0001628280-25-026550 · wk-form4_1747687870.xml · nonDerivative · entry 1

Taheri Babak A. · CIK 0001992883 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 785,031

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.64 to $5.06, inclusive. The reporting person undertakes to provide to Silvaco Group, Inc. (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 purchased at each separate price within the ranges set forth in this footnote.

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May 13, 2025 Filed May 13, 2025 23:20 UTC
Taheri Babak A.Director · Chief Executive Officer
Tax withholdingCommon Stock 23,494 $4.47 $105,018.18
Disclosure

SEC source: 0001628280-25-025262 · wk-form4_1747178414.xml · nonDerivative · entry 1

Taheri Babak A. · CIK 0001992883 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 764,082

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations associated with the vesting of restricted stock units.

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April 08, 2025 Filed Apr 10, 2025 22:00 UTC
Jackson CandaceSee Remarks
Tax withholdingCommon Stock 905 $3.77 $3,411.85
Disclosure

SEC source: 0001628280-25-017381 · wk-form4_1744322444.xml · nonDerivative · entry 2

Jackson Candace · CIK 0002039235 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,667

F2 · shares: Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations associated with the vesting of RSUs.

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April 08, 2025 Filed Apr 10, 2025 18:00 UTC
Guichard EricSee Remarks
Tax withholdingCommon Stock 666 $3.77 $2,510.82
Disclosure

SEC source: 0001628280-25-017379 · wk-form4_1744322427.xml · nonDerivative · entry 3

Guichard Eric · CIK 0001992226 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,382

F2 · shares: Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations associated with the vesting of RSUs.

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April 08, 2025 Filed Apr 10, 2025 21:59 UTC
Taheri Babak A.Director · Chief Executive Officer
Tax withholdingCommon Stock 4,426 $3.77 $16,686.02
Disclosure

SEC source: 0001628280-25-017377 · wk-form4_1744322372.xml · nonDerivative · entry 3

Taheri Babak A. · CIK 0001992883 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 787,576

F2 · shares: Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations associated with the vesting of RSUs.

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April 01, 2025 Filed Apr 10, 2025 22:00 UTC
Jackson CandaceSee Remarks
GrantCommon Stock 35,224 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-017381 · wk-form4_1744322444.xml · nonDerivative · entry 1

Jackson Candace · CIK 0002039235 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,572

F1 · shares: Represents Restricted Stock Units ("RSUs") granted to the Reporting Person. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on April 1, 2025, with a vesting commencement date of January 1, 2025. One-sixteenth of the RSUs vested on April 8, 2025, with the remainder vesting each quarter beginning July 1, 2025, until fully vested on January 1, 2029.

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April 01, 2025 Filed Apr 10, 2025 18:00 UTC
Guichard EricSee Remarks
Tax withholdingCommon Stock 1,068 $4.63 $4,944.84
Disclosure

SEC source: 0001628280-25-017379 · wk-form4_1744322427.xml · nonDerivative · entry 2

Guichard Eric · CIK 0001992226 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,048

F2 · shares: Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations associated with the vesting of RSUs.

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April 01, 2025 Filed Apr 10, 2025 18:00 UTC
Guichard EricSee Remarks
GrantCommon Stock 45,419 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-017379 · wk-form4_1744322427.xml · nonDerivative · entry 1

Guichard Eric · CIK 0001992226 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,116

F1 · shares: Represents Restricted Stock Units ("RSUs") granted to the Reporting Person. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on April 1, 2025, with a vesting commencement date of January 1, 2025. One-sixteenth of the RSUs vested on April 8, 2025, with the remainder vesting each quarter beginning July 1, 2025, until fully vested on January 1, 2029.

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April 01, 2025 Filed Apr 10, 2025 22:00 UTC
Benton Ryan AChief Financial Officer
SaleCommon Stock 168 $4.63 $777.84
Disclosure

SEC source: 0001628280-25-017378 · wk-form4_1744322396.xml · nonDerivative · entry 1

Benton Ryan A · CIK 0001564606 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 219,940

F1 · shares: Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations associated with the vesting of restricted stock units.

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April 01, 2025 Filed Apr 10, 2025 21:59 UTC
Taheri Babak A.Director · Chief Executive Officer
Tax withholdingCommon Stock 2,975 $4.63 $13,774.25
Disclosure

SEC source: 0001628280-25-017377 · wk-form4_1744322372.xml · nonDerivative · entry 2

Taheri Babak A. · CIK 0001992883 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 792,002

F2 · shares: Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations associated with the vesting of RSUs.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.