Insider trading

Period: 120 months Stock: MPWR + 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.

851 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.

851 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.

851 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.

851 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.
851 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
851 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.

851 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
19 Nov 2025
Sciammas Maurice EVP, WW Sales & Marketing
Sold at will 24×
$30.78M 35,000 at 879.36
19.1%
Not planned
12 Nov 2025
Sold at will 19×
$35.72M 37,000 at 965.52
3.9%
Not planned
11 Nov 2025
Sold at will 17×
$38.34M 40,000 at 958.39
4.0%
Not planned
5 Nov 2025
Sciammas Maurice EVP, WW Sales & Marketing · indirect
Sold at will
$197.36K 200 at 986.81
13.3%
Not planned
3 Nov 2025
BLEGEN THEODORE EVP and CFO
Sold on a plan 22×
$3.07M 3,000 at 1,024.43
3.9%
Planned (10b5-1)
24 Oct 2025
Tseng Saria EVP & General Counsel
Sold on a plan
$1.41M 1,300 at 1,087.62
1.0%
Planned (10b5-1)
16 Oct 2025
Tseng Saria EVP & General Counsel
Sold on a plan 2×
$2.88M 2,812 at 1,025.72
2.2%
Planned (10b5-1)
15 Oct 2025
Tseng Saria EVP & General Counsel
Sold on a plan
$14.25M 14,028 at 1,016.18
9.7%
Planned (10b5-1)
1 Oct 2025
BLEGEN THEODORE EVP and CFO
Sold on a plan 13×
$2.74M 3,000 at 913.22
7.3%
Planned (10b5-1)
18 Sep 2025
Tseng Saria EVP & General Counsel
Sold on a plan
$13.27M 14,510 at 914.45
9.1%
Planned (10b5-1)
18 Sep 2025
Sold on a plan
$1.26M 1,400 at 900.00
61.5%
Sold half or more
2 Sep 2025
BLEGEN THEODORE EVP and CFO
Sold on a plan 14×
$2.44M 3,000 at 814.34
6.8%
Planned (10b5-1)
29 Aug 2025
Elmiger Eugen J Director
Sold at will 6×
$3.39M 4,000 at 846.71
18.9%
Not planned
27 Aug 2025
Zhou Jeff Director
Sold at will
$167.91K 193 at 870.00
3.3%
Not planned
15 Aug 2025
Sold at will 11×
$16.77M 20,231 at 829.10
2.4%
Not planned
13 Aug 2025
Zhou Jeff Director
Sold at will
$340.00K 400 at 850.00
6.4%
Not planned
12 Aug 2025
Zhou Jeff Director
Sold at will
$166.00K 200 at 830.00
3.1%
Not planned
1 Aug 2025
Xiao Deming EVP, Global Operations
Sold on a plan
$31.20M 39,999 at 780.00
24.8%
Planned (10b5-1)
1 Aug 2025
BLEGEN THEODORE EVP and CFO
Sold on a plan
$2.25M 3,000 at 750.00
6.4%
Planned (10b5-1)
1 Jul 2025
BLEGEN THEODORE EVP and CFO
Sold on a plan
$4.50M 6,000 at 750.00
11.3%
Planned (10b5-1)
13 May 2025
Sold at will
$36.90K 50 at 738.00
7.4%
Not planned
12 May 2025
Sciammas Maurice EVP, WW Sales & Marketing · indirect
Sold on a plan
$8.41M 12,000 at 701.00
74.9%
Sold half or more
12 May 2025
Sold at will
$69.80K 100 at 698.00
12.9%
Not planned
8 May 2025
Sold at will
$65.00K 100 at 650.00
11.4%
Not planned
18 Feb 2025
Sold on a plan
$3.64M 5,200 at 700.00
0.6%
Planned (10b5-1)
10 Feb 2025
Sold at will
$1.86M 2,594 at 717.10
0.3%
Not planned
10 Feb 2025
Tseng Saria EVP & General Counsel
Sold at will
$475.44K 663 at 717.10
0.4%
Not planned
10 Feb 2025
Sciammas Maurice EVP, WW Sales & Marketing
Sold at will
$474.72K 662 at 717.10
0.6%
Not planned
10 Feb 2025
Xiao Deming EVP, Global Operations
Sold at will
$474.72K 662 at 717.10
0.4%
Not planned
10 Feb 2025
BLEGEN THEODORE EVP and CFO
Sold at will
$381.50K 532 at 717.10
1.0%
Not planned
7 Feb 2025
Sold on a plan
$8.37M 11,964 at 700.00
1.4%
Planned (10b5-1)
7 Feb 2025
Sciammas Maurice EVP, WW Sales & Marketing · indirect
Sold on a plan 4×
$4.91M 7,000 at 701.98
30.4%
Planned (10b5-1)
24 Jan 2025
Sold on a plan
$2.55M 3,636 at 700.00
0.4%
Planned (10b5-1)
9 Dec 2024
BLEGEN THEODORE EVP and CFO
Sold on a plan
$1.50M 2,500 at 600.00
4.5%
Planned (10b5-1)
8 Nov 2024
Sold at will
$2.15M 2,812 at 765.15
0.3%
Not planned
8 Nov 2024
Xiao Deming EVP, Global Operations
Sold at will
$662.61K 866 at 765.14
0.5%
Not planned
8 Nov 2024
Tseng Saria EVP & General Counsel
Sold at will
$662.61K 866 at 765.14
0.5%
Not planned
8 Nov 2024
Sciammas Maurice EVP, WW Sales & Marketing
Sold at will
$662.61K 866 at 765.14
0.8%
Not planned
8 Nov 2024
BLEGEN THEODORE EVP and CFO
Sold at will
$561.62K 734 at 765.15
1.3%
Not planned
1 Nov 2024
BLEGEN THEODORE EVP and CFO
Sold on a plan 13×
$1.93M 2,500 at 772.96
4.2%
Planned (10b5-1)
7 Oct 2024
Sciammas Maurice EVP, WW Sales & Marketing
Sold on a plan 11×
$10.23M 11,000 at 929.59
9.6%
Planned (10b5-1)
1 Oct 2024
BLEGEN THEODORE EVP and CFO
Sold on a plan 19×
$2.27M 2,500 at 908.36
4.1%
Planned (10b5-1)
3 Sep 2024
BLEGEN THEODORE EVP and CFO
Sold on a plan 21×
$2.26M 2,500 at 904.20
3.9%
Planned (10b5-1)
27 Aug 2024
Xiao Deming EVP, Global Operations · indirect
Sold at will
$8.80M 9,259 at 950.00
31.2%
Not planned
22 Aug 2024
Xiao Deming EVP, Global Operations · indirect
Sold at will
$9.50M 10,000 at 950.00
25.2%
Not planned
15 Aug 2024
Sold at will 2×
$178.69K 200 at 893.44
27.0%
Not planned
13 Aug 2024
Sold on a plan
$82.33K 100 at 823.27
0.0%
Planned (10b5-1)
9 Aug 2024
Sold on a plan 17×
$3.44M 4,163 at 827.28
0.5%
Planned (10b5-1)
8 Aug 2024
Sold at will
$2.17M 2,790 at 778.39
0.3%
Not planned
8 Aug 2024
Sciammas Maurice EVP, WW Sales & Marketing
Sold at will
$668.64K 859 at 778.39
0.7%
Not planned
Showing 51–100 of 851. ← Newer Page 2 of 18 Older →