Insider trading

Period: 120 months Stock: SNPS Role: CEO × + Add filter Clear all
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When

Period

How far back the list reaches. Filings arrive days after the trade, so the newest rows always lag a little.

48 decisions over 120 months
Who

Role

The position the person holds at the company, read from the title on the filing. A chief executive who is also a director counts as the chief executive.

48 decisions over 120 months Remove this filter
The trade

Type of trade

Purchases, sales, or cluster buys: companies where 3 or more insiders bought within 30 days. The number beside each is what that choice would give.

48 decisions over 120 months
The trade

Minimum amount

Hides rows under this value. The amount is the shares traded times the price on the filing.

48 decisions over 120 months
The trade

Plan

  • Discretionary: they chose to sell that week.
  • Scheduled: a 10b5-1 plan fixed the sale months in advance, so the timing says nothing about what they knew.
  • Not stated: filed before the SEC added the box in April 2023, which is most of the older half of this database.
48 decisions over 120 months
The trade

Share of their own holding

How much of what they already held the trade moved. Selling a tenth of a stake is not the same act as selling all of it.

At least
48 decisions over 120 months
Ownership

What the chief executive holds

The value of the chief executive’s stock measured against base salary. The salary comes from the company’s own proxy. Companies with no figure are in neither direction.

48 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
15 Sep 2026
Ghazi Sassine PRESIDENT AND CEO
Sold on a plan
$5.47M 14,604 at 374.88
16.0%
Planned (10b5-1)
15 Jun 2026
Ghazi Sassine PRESIDENT AND CEO
Sold on a plan
$6.70M 14,603 at 458.96
16.3%
Planned (10b5-1)
2 Sep 2025
Ghazi Sassine PRESIDENT AND CEO
Sold on a plan
$6.69M 11,366 at 589.01
13.7%
Planned (10b5-1)
2 Jun 2025
Ghazi Sassine PRESIDENT AND CEO
Sold on a plan
$5.20M 11,366 at 457.93
13.7%
Planned (10b5-1)
3 Mar 2025
Ghazi Sassine PRESIDENT AND CEO
Sold on a plan
$5.27M 11,366 at 463.75
13.8%
Planned (10b5-1)
23 Aug 2024
Ghazi Sassine PRESIDENT AND CEO
Sold on a plan
$5.70M 10,293 at 553.89
14.1%
Planned (10b5-1)
24 May 2024
Ghazi Sassine PRESIDENT AND CEO
Sold on a plan
$6.00M 10,294 at 582.41
14.1%
Planned (10b5-1)
23 Feb 2024
Ghazi Sassine PRESIDENT AND CEO
Sold on a plan
$5.94M 10,294 at 577.51
14.3%
Planned (10b5-1)
21 Jun 2023
DE GEUS AART Chairman of the Board & CEO
Sold on a plan
$17.49M 40,839 at 428.18
30.2%
Planned (10b5-1)
13 Jun 2023
DE GEUS AART Chairman of the Board & CEO
Sold on a plan
$17.90M 40,000 at 447.40
29.8%
Planned (10b5-1)
6 Jun 2023
DE GEUS AART Chairman of the Board & CEO
Sold on a plan
$17.82M 40,000 at 445.42
29.8%
Planned (10b5-1)
18 Feb 2022
CHAN CHI-FOON Co-CEO
Sold, plan not stated
$3.64M 12,570 at 289.25
7.5%
13 Dec 2021
DE GEUS AART Chairman of the Board & Co-CEO
Sold, plan not stated
$23.43M 64,622 at 362.55
44.4%
10 Dec 2021
DE GEUS AART Chairman of the Board & Co-CEO
Sold, plan not stated
$34.62M 96,277 at 359.55
54.3%
Sold half or more
10 Dec 2021
DE GEUS AART Chairman of the Board & Co-CEO · indirect
Sold, plan not stated
$23.69M 66,059 at 358.55
35.1%
3 Dec 2021
CHAN CHI-FOON Co-CEO
Sold, plan not stated 3×
$4.23M 12,318 at 343.13
7.5%
23 Aug 2021
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated
$98.09K 310 at 316.43
0.2%
20 Aug 2021
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated 3×
$87.77M 278,642 at 314.98
62.9%
Sold half or more
21 May 2021
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated
$1.71M 7,040 at 242.96
3.8%
26 Mar 2021
DE GEUS AART Chairman of the Board & Co-CEO
Sold, plan not stated
$6.83M 28,311 at 241.42
30.2%
3 Mar 2021
DE GEUS AART Chairman of the Board & Co-CEO
Sold, plan not stated
$8.38M 34,581 at 242.35
34.5%
2 Mar 2021
DE GEUS AART Chairman of the Board & Co-CEO
Sold, plan not stated
$30.97M 124,115 at 249.52
65.4%
Sold half or more
19 Feb 2021
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated
$1.72M 6,372 at 269.37
3.4%
4 Dec 2020
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated 2×
$2.84M 11,954 at 237.50
6.4%
21 Aug 2020
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated 2×
$42.14M 198,961 at 211.79
51.7%
Sold half or more
22 May 2020
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated
$949.01K 5,582 at 170.01
2.7%
21 Feb 2020
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated 3×
$31.78M 212,224 at 149.74
51.1%
Sold half or more
21 Feb 2020
DE GEUS AART Chairman of the Board & Co-CEO
Sold, plan not stated
$25.32M 168,924 at 149.87
77.6%
Sold half or more
6 Dec 2019
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated
$713.91K 5,321 at 134.17
2.7%
23 Aug 2019
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated
$627.82K 4,578 at 137.14
2.2%
24 May 2019
DE GEUS AART Chairman of the Board & Co-CEO
Sold, plan not stated
$18.29M 156,100 at 117.15
82.2%
Sold half or more
24 May 2019
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated
$598.07K 5,105 at 117.15
2.4%
22 Feb 2019
DE GEUS AART Chairman of the Board & Co-CEO
Sold, plan not stated
$16.35M 160,000 at 102.17
82.6%
Sold half or more
22 Feb 2019
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated 2×
$8.70M 85,105 at 102.20
28.9%
10 Dec 2018
DE GEUS AART Chairman of the Board & Co-CEO · indirect
Sold, plan not stated 2×
$3.59M 40,199 at 89.29
17.6%
7 Dec 2018
DE GEUS AART Chairman of the Board & Co-CEO · indirect
Sold, plan not stated 2×
$877.55K 9,801 at 89.54
4.6%
7 Dec 2018
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated
$318.77K 3,611 at 88.28
1.8%
24 Aug 2018
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated
$367.57K 3,609 at 101.85
1.8%
25 May 2018
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated 2×
$3.77M 42,831 at 88.08
17.2%
13 Mar 2018
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated
$70.07K 778 at 90.06
0.4%
23 Feb 2018
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated
$305.95K 3,609 at 84.77
1.7%
1 Dec 2017
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated
$336.68K 3,750 at 89.78
1.9%
18 Aug 2017
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated
$290.64K 3,750 at 77.50
1.8%
19 May 2017
DE GEUS AART Chairman of the Board & Co-CEO
Sold, plan not stated
$14.20M 200,000 at 71.01
90.9%
Sold half or more
19 May 2017
DE GEUS AART Chairman of the Board & Co-CEO · indirect
Sold, plan not stated 3×
$4.54M 64,000 at 71.01
81.5%
Sold half or more
19 May 2017
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated
$266.09K 3,750 at 70.96
1.8%
17 Feb 2017
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated 2×
$3.08M 43,750 at 70.47
17.4%
2 Dec 2016
CHAN CHI-FOON Co-CEO & President
Sold, plan not stated
$114.18K 2,000 at 57.09
1.0%
Showing 1–48 of 48.