Silvaco Group, Inc. Insider Trading

SVCO

Last 12 months

Insiders bought 447K and sold $4.5M on the open market.

None of the selling was scheduled in advance under a 10b5-1 plan. Director Katherine S. Ngai-Pesic sold $2.25M on Jun 11 outside a plan.

Net open-market

−$4.06M

11 buys · 13 sales

Under a 10b5-1 plan

of the value sold

Insiders who bought / sold

4 / 6

executives and directors

Last open-market buy

Aug 2026

Aug 11, 2026

Get an email when SVCO's executives or directors buy, or make a large sale outside a plan.

Trades · last 2 years

Date	Insider	Trade	Shares	Price	Value	Of their stake	Filing
Aug 25	Candace Jackson See Remarks	SoldNo plan	3,500	$7.00	25K	7.0%	Form 4
Aug 12	Christopher John Zegarelli Chief Financial Officer	SoldNo plan	2,257	$7.55	17K	0.4%	Form 4
Aug 12	Candace Jackson See Remarks	SoldNo plan	1,570	$7.55	12K	3.1%	Form 4
Aug 11	Anthony K.k. Ngai Director	Bought	750	$7.37	6K	0.6%	Form 4
Aug 11	Ted L Tewksbury III Director	Sold10b5-1 plan	580	$7.28	4K	3.1%	Form 4
Aug 11	Cheemin Bo-Linn Director	Sold10b5-1 plan	700	$7.28	5K	3.7%	Form 4
Jun 16	Anthony K.k. Ngai Director	Bought	500	$12.50	6K	0.4%	Form 4
Jun 11	Katherine S. Ngai-Pesic Director	SoldNo plan	200,000	$11.27	$2.25M	2.1%	Form 4
Jun 5	Anthony K.k. Ngai Director	Bought	1,000	$13.07	13K	0.9%	Form 4
Jun 3	Illiya I. Pesic Director	SoldNo plan	6,000	$12.96	78K	0.1%	Form 4
May 14	Candace Jackson See Remarks	SoldNo plan	2,000	$11.00	22K	3.7%	Form 4
Apr 1	Christopher John Zegarelli Chief Financial Officer	SoldNo plan	2,431	$7.11	17K	0.5%	Form 4
Apr 1	Candace Jackson See Remarks	SoldNo plan	1,817	$7.12	13K	3.3%	Form 4
Mar 17	Candace Jackson See Remarks	SoldNo plan	1,500	$5.00	8K	2.6%	Form 4
Nov 17, 2025 – Jan 7	Illiya I. Pesic Other	SoldNo plan 2 parts	400,000	$1.93 average	773K	6.9%	Form 4
Dec 11, 2025	Anthony K.k. Ngai Director	Bought	1,000	$4.23	4K	1.1%	Form 4
Dec 10, 2025	Katherine S. Ngai-Pesic Director	Bought	25,000	$4.13	103K	0.2%	Form 4
Dec 9, 2025	Walden C Rhines Chief Executive Officer	Bought	13,100	$4.01	53K	14%	Form 4
Dec 8, 2025	Christopher John Zegarelli Chief Financial Officer	Bought	10,000	$3.80	38K	2.3%	Form 4
Dec 4, 2025	Yelena I. Pesic Other	SoldNo plan	300,000	$1.99	597K	7.7%	Form 4
Jun 26, 2025 – Nov 25, 2025	Katherine S. Ngai-Pesic Director	SoldNo plan 3 parts	950,000	$2.12 average	$2.02M	9.2%	Form 4
Nov 19, 2025	Candace Jackson See Remarks	SoldNo plan	8,300	$4.25	35K	16%	Form 4
Nov 18, 2025	Anthony K.k. Ngai Director	Bought	10,000	$4.26	43K	12%	Form 4
Nov 18, 2025	Walden C Rhines Chief Executive Officer	Bought	29,000	$4.07	118K	45%	Form 4
Nov 17, 2025	Christopher John Zegarelli Chief Financial Officer	Bought	5,000	$3.91	20K	1.2%	Form 4
Nov 17, 2025	Walden C Rhines Chief Executive Officer	Bought	11,272	$3.90	44K	21%	Form 4
Sep 15, 2025	Christopher John Zegarelli Chief Financial Officer	Bought	5,100	$5.03	26K	1.2%	Form 4
Sep 8, 2025 – Sep 11, 2025	Anthony K.k. Ngai Director	Bought 6 parts	11,700	$5.28 average	62K	17%	Form 4
Jun 10, 2025	Yelena I. Pesic Other	SoldNo plan	5,763	$5.01	29K	0.1%	Form 4
Jun 4, 2025	Katherine S. Ngai-Pesic Director	SoldNo plan	15,000	$4.91	74K	0.1%	Form 4
May 16, 2025 – May 19, 2025	Babak A. Taheri Chief Executive Officer	Bought 2 parts	25,000	$4.92 average	123K	3.3%	Form 4
Apr 1, 2025	Ryan A Benton Chief Financial Officer	SoldNo plan	168	$4.63	$778	<0.1%	Form 4
Mar 14, 2025	Yelena I. Pesic Other	Sold10b5-1 plan	15,000	$5.07	76K	0.4%	Form 4
Mar 14, 2025	Katherine S. Ngai-Pesic Director	Sold10b5-1 plan	25,000	$5.06	127K	0.2%	Form 4
Mar 13, 2025	Illiya I. Pesic Other	Sold10b5-1 plan	15,000	$4.88	73K	0.3%	Form 4
Nov 15, 2024	Eric Guichard See Remarks	SoldNo plan	25,000	$7.19	180K	30%	Form 4

Aug 25No plan
Candace Jackson
See Remarks · sold 3,500 at $7.00
25K
7.0% of stake
Aug 12No plan
Christopher John Zegarelli
Chief Financial Officer · sold 2,257 at $7.55
17K
0.4% of stake
Aug 12No plan
Candace Jackson
See Remarks · sold 1,570 at $7.55
12K
3.1% of stake
Aug 11
Anthony K.k. Ngai
Director · bought 750 at $7.37
6K
0.6% of stake
Aug 1110b5-1 plan
Ted L Tewksbury III
Director · sold 580 at $7.28
4K
3.1% of stake
Aug 1110b5-1 plan
Cheemin Bo-Linn
Director · sold 700 at $7.28
5K
3.7% of stake
Jun 16
Anthony K.k. Ngai
Director · bought 500 at $12.50
6K
0.4% of stake
Jun 11No plan
Katherine S. Ngai-Pesic
Director · sold 200,000 at $11.27
$2.25M
2.1% of stake
Jun 5
Anthony K.k. Ngai
Director · bought 1,000 at $13.07
13K
0.9% of stake
Jun 3No plan
Illiya I. Pesic
Director · sold 6,000 at $12.96
78K
0.1% of stake
May 14No plan
Candace Jackson
See Remarks · sold 2,000 at $11.00
22K
3.7% of stake
Apr 1No plan
Christopher John Zegarelli
Chief Financial Officer · sold 2,431 at $7.11
17K
0.5% of stake
Apr 1No plan
Candace Jackson
See Remarks · sold 1,817 at $7.12
13K
3.3% of stake
Mar 17No plan
Candace Jackson
See Remarks · sold 1,500 at $5.00
8K
2.6% of stake
Nov 17, 2025 – Jan 7No plan
Illiya I. Pesic
Other · sold 400,000 at avg $1.93
773K
6.9% of stake
Dec 11, 2025
Anthony K.k. Ngai
Director · bought 1,000 at $4.23
4K
1.1% of stake
Dec 10, 2025
Katherine S. Ngai-Pesic
Director · bought 25,000 at $4.13
103K
0.2% of stake
Dec 9, 2025
Walden C Rhines
Chief Executive Officer · bought 13,100 at $4.01
53K
14% of stake
Dec 8, 2025
Christopher John Zegarelli
Chief Financial Officer · bought 10,000 at $3.80
38K
2.3% of stake
Dec 4, 2025No plan
Yelena I. Pesic
Other · sold 300,000 at $1.99
597K
7.7% of stake
Jun 26, 2025 – Nov 25, 2025No plan
Katherine S. Ngai-Pesic
Director · sold 950,000 at avg $2.12
$2.02M
9.2% of stake
Nov 19, 2025No plan
Candace Jackson
See Remarks · sold 8,300 at $4.25
35K
16% of stake
Nov 18, 2025
Anthony K.k. Ngai
Director · bought 10,000 at $4.26
43K
12% of stake
Nov 18, 2025
Walden C Rhines
Chief Executive Officer · bought 29,000 at $4.07
118K
45% of stake
Nov 17, 2025
Christopher John Zegarelli
Chief Financial Officer · bought 5,000 at $3.91
20K
1.2% of stake
Nov 17, 2025
Walden C Rhines
Chief Executive Officer · bought 11,272 at $3.90
44K
21% of stake
Sep 15, 2025
Christopher John Zegarelli
Chief Financial Officer · bought 5,100 at $5.03
26K
1.2% of stake
Sep 8, 2025 – Sep 11, 2025
Anthony K.k. Ngai
Director · bought 11,700 at avg $5.28
62K
17% of stake
Jun 10, 2025No plan
Yelena I. Pesic
Other · sold 5,763 at $5.01
29K
0.1% of stake
Jun 4, 2025No plan
Katherine S. Ngai-Pesic
Director · sold 15,000 at $4.91
74K
0.1% of stake
May 16, 2025 – May 19, 2025
Babak A. Taheri
Chief Executive Officer · bought 25,000 at avg $4.92
123K
3.3% of stake
Apr 1, 2025No plan
Ryan A Benton
Chief Financial Officer · sold 168 at $4.63
$778
<0.1% of stake
Mar 14, 202510b5-1 plan
Yelena I. Pesic
Other · sold 15,000 at $5.07
76K
0.4% of stake
Mar 14, 202510b5-1 plan
Katherine S. Ngai-Pesic
Director · sold 25,000 at $5.06
127K
0.2% of stake
Mar 13, 202510b5-1 plan
Illiya I. Pesic
Other · sold 15,000 at $4.88
73K
0.3% of stake
Nov 15, 2024No plan
Eric Guichard
See Remarks · sold 25,000 at $7.19
180K
30% of stake

How to read this. Insiders sell for many reasons: taxes, diversifying, a house. Open-market buys are rarer and say more. A 10b5-1 plan is a trading schedule set up months in advance, so those sales were not timed on news. Large holders (funds and 10% owners) are listed under Everything but not counted as insiders. If you own or watch SVCO, we send a push when an executive buys or makes a large sale outside a plan.

Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.

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Held by ETFs

SVCO is in 5 US ETFs. The largest of them, with SVCO's weight in each:

Spot a number that looks wrong? Check it in SVCO's SEC filings or

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Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.

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