Insider trading

Period: 120 months Stock: DIOD Role: Directors × + Add filter Clear all
Views & alerts

Save your view. Keep the filter you have built, and get an email when a new filing matches it. A free account does both.

When

Period

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

51 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.

51 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.

51 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.

51 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.
51 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
51 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.

51 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
20 Feb 2026
LU KEH SHEW Director · indirect
Sold at will 2×
$7.52M 111,000 at 67.76
38.1%
Not planned
12 Nov 2025
LU KEH SHEW Director · indirect
Sold at will 2×
$284.50K 6,000 at 47.42
2.4%
Not planned
29 May 2024
Menard Peter M Former Director
Sold at will
$45.33K 630 at 71.96
3.4%
Not planned
1 Jun 2023
Menard Peter M Director
Sold at will
$60.71K 630 at 96.37
3.3%
Not planned
16 Mar 2023
Sold on a plan
$900.00K 10,000 at 90.00
11.2%
Planned (10b5-1)
1 Jun 2022
Menard Peter M Director
Sold, plan not stated
$49.01K 630 at 77.80
3.7%
19 Nov 2021
CHEN C H Director · indirect
Sold, plan not stated
$441.20K 4,000 at 110.30
13.8%
16 Nov 2021
CHEN C H Director · indirect
Sold, plan not stated
$1.62M 14,804 at 109.39
33.8%
15 Nov 2021
CHEN C H Director · indirect
Sold, plan not stated 3×
$670.73K 6,196 at 108.25
12.4%
7 Sep 2021
CHEN C H Director · indirect
Sold, plan not stated
$4.83M 50,000 at 96.65
50.0%
Sold half or more
16 Mar 2021
CHEN C H Director · indirect
Sold, plan not stated 3×
$4.19M 50,000 at 83.78
33.3%
4 Dec 2020
CHEN C H Director · indirect
Sold, plan not stated
$3.55M 50,000 at 70.91
25.0%
1 Oct 2020
Sold, plan not stated
$475.32K 8,339 at 57.00
8.7%
30 Sep 2020
Sold, plan not stated
$94.68K 1,661 at 57.00
1.7%
28 Sep 2020
CHEN C H Director
Sold, plan not stated
$2.12M 40,000 at 52.88
29.8%
25 Aug 2020
SOONG RAYMOND Former Director
Sold, plan not stated 2×
$1.85M 36,749 at 50.45
13.0%
24 Aug 2020
SOONG RAYMOND Former Director
Sold, plan not stated 2×
$1.54M 30,745 at 50.12
9.8%
20 Aug 2020
SOONG RAYMOND Former Director
Sold, plan not stated
$50.30K 1,006 at 50.00
0.3%
19 Aug 2020
SOONG RAYMOND Former Director
Sold, plan not stated 2×
$2.37M 46,742 at 50.77
12.9%
18 Aug 2020
SOONG RAYMOND Former Director
Sold, plan not stated 2×
$576.72K 11,235 at 51.33
3.0%
17 Aug 2020
SOONG RAYMOND Former Director
Sold, plan not stated 2×
$2.27M 43,523 at 52.07
10.5%
5 Jun 2020
CHEN C H Director · indirect
Sold, plan not stated
$276.86K 5,316 at 52.08
2.6%
4 Jun 2020
CHEN C H Director · indirect
Sold, plan not stated 2×
$758.57K 14,684 at 51.66
6.7%
3 Jun 2020
CHEN C H Director · indirect
Sold, plan not stated 3×
$1.52M 30,000 at 50.50
12.0%
29 Apr 2020
CHEN C H Director
Sold, plan not stated
$855.61K 16,589 at 51.58
11.9%
28 Apr 2020
CHEN C H Director
Sold, plan not stated
$1.18M 23,411 at 50.42
14.4%
14 Feb 2019
CHEN C H Director
Sold, plan not stated 2×
$382.50K 10,000 at 38.25
2.4%
13 Feb 2019
CHEN C H Director
Sold, plan not stated 2×
$372.50K 10,000 at 37.25
2.4%
6 Feb 2019
CHEN C H Director
Sold, plan not stated 2×
$363.00K 10,000 at 36.30
2.3%
5 Feb 2019
CHEN C H Director
Sold, plan not stated
$177.50K 5,000 at 35.50
1.2%
3 Dec 2018
CHEN C H Director
Sold, plan not stated
$176.30K 5,000 at 35.26
1.1%
21 Aug 2018
Sold, plan not stated
$95.61K 2,575 at 37.13
6.4%
4 Jun 2018
CHEN C H Director
Sold, plan not stated
$705.17K 20,000 at 35.26
4.4%
4 Jun 2018
Sold, plan not stated
$350.00K 10,000 at 35.00
10.0%
1 Jun 2018
CHEN C H Director
Sold, plan not stated 2×
$56.93K 1,650 at 34.50
0.4%
31 May 2018
CHEN C H Director
Sold, plan not stated
$3.45K 100 at 34.50
0.0%
30 May 2018
CHEN C H Director
Sold, plan not stated
$239.82K 6,950 at 34.51
1.5%
29 May 2018
CHEN C H Director
Sold, plan not stated
$44.85K 1,300 at 34.50
0.3%
25 May 2018
CHEN C H Director
Sold, plan not stated
$221.70K 6,520 at 34.00
1.4%
22 May 2018
CHEN C H Director
Sold, plan not stated
$118.36K 3,480 at 34.01
0.7%
27 Sep 2017
CHEN C H Director
Sold, plan not stated 2×
$877.50K 30,000 at 29.25
6.1%
1 Sep 2017
CHEN C H Director
Sold, plan not stated 2×
$427.50K 15,000 at 28.50
2.9%
31 Aug 2017
CHEN C H Director
Sold, plan not stated
$420.08K 15,000 at 28.01
2.9%
10 May 2017
Sold, plan not stated
$126.55K 5,062 at 25.00
5.2%
13 Dec 2016
STICH JOHN M Director · indirect
Sold, plan not stated
$19.84K 761 at 26.07
3.4%
12 Dec 2016
STICH JOHN M Director · indirect
Sold, plan not stated
$25.97K 1,000 at 25.97
4.2%
9 Dec 2016
STICH JOHN M Director · indirect
Sold, plan not stated
$8.80K 339 at 25.95
1.4%
8 Dec 2016
STICH JOHN M Director · indirect
Sold, plan not stated
$75.26K 2,900 at 25.95
10.8%
23 Nov 2016
STICH JOHN M Director · indirect
Sold, plan not stated
$52.80K 2,200 at 24.00
7.6%
22 Nov 2016
STICH JOHN M Director · indirect
Sold, plan not stated
$67.26K 2,800 at 24.02
8.8%
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