Insider trading

Period: 120 months Stock: AMKR + 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.

244 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.

244 decisions over 120 months
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.

244 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.

244 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.
244 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
244 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.

244 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
31 Jul 2025
ROGERS MARK N EVP & General Counsel
Sold at will
$353.73K 15,000 at 23.58
38.6%
Not planned
25 Feb 2025
Engel Kevin K. Executive Vice President
Sold at will
$119.06K 5,489 at 21.69
79.8%
Sold half or more
24 Feb 2025
KIM JAMES J 10% owner
Sold at will
$19.00M 869,565 at 21.85
92.4%
Sold half or more
24 Feb 2025
KIM AGNES C Member of 10% owner group (3) · indirect
Sold at will
$19.00M 869,565 at 21.85
8.0%
Not planned
24 Feb 2025
KIM SUSAN Y Director · indirect
Bought
$19.00M 869,565 at 21.85
35.1%
First buy on file
24 Feb 2025
KIM JOHN T 10% owner · indirect
Bought
$19.00M 869,565 at 21.85
35.1%
First buy on file
24 Feb 2025
Sujoda Management, LLC Member of 10% owner group (4) · indirect
Bought
$19.00M 869,565 at 21.85
35.1%
First buy on file
24 Feb 2025
SUJODA Investments, LP Member of 10% owner group (2)
Bought
$19.00M 869,565 at 21.85
35.1%
First buy on file
24 Feb 2025
KIM DAVID D Member of 10% owner group (5) · indirect
Bought
$19.00M 869,565 at 21.85
35.1%
First buy on file
15 Oct 2024
Rutten Guillaume Marie Jean President and CEO
Sold on a plan
$315.10K 10,000 at 31.51
4.7%
Planned (10b5-1)
16 Sep 2024
Rutten Guillaume Marie Jean President and CEO
Sold on a plan
$543.75K 18,125 at 30.00
7.8%
Planned (10b5-1)
27 Aug 2024
Sold at will
$659.40K 20,000 at 32.97
50.2%
Sold half or more
15 Aug 2024
Rutten Guillaume Marie Jean President and CEO
Sold on a plan
$814.00K 25,000 at 32.56
10.0%
Planned (10b5-1)
14 Aug 2024
Engel Kevin K. Executive Vice President
Sold at will
$154.06K 4,720 at 32.64
100%
Sold half or more
15 Jul 2024
Rutten Guillaume Marie Jean President and CEO
Sold on a plan 2×
$1.07M 25,000 at 42.94
16.3%
Planned (10b5-1)
17 Jun 2024
Rutten Guillaume Marie Jean President and CEO
Sold on a plan
$870.50K 25,000 at 34.82
20.9%
Planned (10b5-1)
10 Jun 2024
Engel Kevin K. Executive Vice President
Sold at will
$163.48K 4,921 at 33.22
100%
Sold half or more
15 May 2024
Rutten Guillaume Marie Jean President and CEO
Sold on a plan
$834.25K 25,000 at 33.37
19.3%
Planned (10b5-1)
3 May 2024
Tily Gil C. Director
Sold at will
$644.00K 20,000 at 32.20
13.4%
Not planned
2 May 2024
ROGERS MARK N EVP & General Counsel
Sold at will
$156.50K 5,000 at 31.30
16.5%
Not planned
16 Apr 2024
Rutten Guillaume Marie Jean President and CEO
Sold on a plan
$779.25K 25,000 at 31.17
17.9%
Planned (10b5-1)
15 Mar 2024
Rutten Guillaume Marie Jean President and CEO
Sold on a plan
$780.75K 25,000 at 31.23
16.7%
Planned (10b5-1)
15 Mar 2024
Sold at will
$87.05K 2,800 at 31.09
5.0%
Not planned
7 Mar 2024
Sold at will
$430.89K 11,903 at 36.20
51.3%
Sold half or more
6 Mar 2024
Haghighi Farshad Executive Vice President
Sold at will
$334.00K 9,911 at 33.70
54.3%
Sold half or more
22 Feb 2024
Rutten Guillaume Marie Jean President and CEO
Sold on a plan
$765.75K 25,000 at 30.63
16.8%
Planned (10b5-1)
16 Feb 2024
Sold at will
$81.92K 2,700 at 30.34
6.5%
Not planned
19 Jan 2024
Sold at will
$86.40K 2,700 at 32.00
7.1%
Not planned
15 Dec 2023
Sold at will
$90.32K 2,700 at 33.45
7.1%
Not planned
4 Dec 2023
Sold at will
$566.20K 20,000 at 28.31
29.2%
Not planned
4 Dec 2023
Tily Gil C. Director
Sold at will
$247.53K 8,809 at 28.10
6.4%
Not planned
17 Nov 2023
Sold at will
$70.71K 2,700 at 26.19
7.1%
Not planned
3 Nov 2023
ROGERS MARK N EVP & General Counsel
Sold at will
$119.20K 5,000 at 23.84
19.4%
Not planned
20 Oct 2023
Sold at will
$60.80K 2,700 at 22.52
7.1%
Not planned
15 Sep 2023
Sold at will
$61.24K 2,700 at 22.68
7.1%
Not planned
6 Sep 2023
915 Investments, LP Member of 10% owner group (2)
Sold at will
$232.20M 10,000,000 at 23.22
20.2%
Not planned
6 Sep 2023
KIM AGNES C Member of 10% owner group (3) · indirect
Sold at will
$232.20M 10,000,000 at 23.22
15.4%
Not planned
6 Sep 2023
KIM JAMES J Director · indirect
Sold at will
$232.20M 10,000,000 at 23.22
20.2%
Not planned
18 Aug 2023
Sold at will
$66.93K 2,700 at 24.79
7.1%
Not planned
21 Jul 2023
Sold at will
$76.71K 2,700 at 28.41
7.1%
Not planned
16 Jun 2023
Sold at will
$71.23K 2,700 at 26.38
7.1%
Not planned
9 Jun 2023
Sold at will
$71.69K 2,700 at 26.55
7.1%
Not planned
2 Jun 2023
Engel Kevin K. Executive Vice President
Sold at will
$90.75K 3,570 at 25.42
100%
Sold half or more
1 Jun 2023
Shin Sung Executive Vice President
Sold at will
$124.65K 5,000 at 24.93
24.5%
Not planned
24 May 2023
Sold at will
$61.18K 2,700 at 22.66
7.1%
Not planned
20 Apr 2023
Sold at will
$139.74K 6,000 at 23.29
14.5%
Not planned
17 Apr 2023
Rutten Guillaume Marie Jean President and CEO
Sold at will
$717.60K 30,000 at 23.92
20.0%
Not planned
16 Mar 2023
Sold, plan not stated
$144.48K 6,000 at 24.08
14.5%
15 Mar 2023
Rutten Guillaume Marie Jean President and CEO
Sold, plan not stated
$725.70K 30,000 at 24.19
18.2%
27 Feb 2023
Tily Gil C. Director
Sold, plan not stated
$516.20K 20,000 at 25.81
12.7%
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