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
5 Aug 2019
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$431.08K 3,066 at 140.60
0.9%
1 Aug 2019
Zhou Jeff Director
Sold, plan not stated
$274.28K 1,747 at 157.00
9.0%
24 Jul 2019
Zhou Jeff Director
Sold, plan not stated
$150.00K 1,000 at 150.00
4.9%
22 Jul 2019
Sold, plan not stated
$152.22K 1,041 at 146.22
1.2%
22 Jul 2019
Zhou Jeff Director
Sold, plan not stated
$147.00K 1,000 at 147.00
4.7%
19 Jul 2019
Tseng Saria VP & General Counsel
Sold, plan not stated
$947.16K 6,495 at 145.83
2.1%
15 Jul 2019
Moyer James C Director
Sold, plan not stated
$2.87M 20,000 at 143.53
4.1%
10 Jul 2019
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated 2×
$281.64K 2,001 at 140.75
0.5%
3 Jul 2019
Sold, plan not stated
$2.23M 16,540 at 134.96
1.5%
1 Jul 2019
Sold, plan not stated
$1.53M 10,960 at 139.56
1.0%
1 Jul 2019
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated 4×
$1.17M 8,394 at 139.68
2.2%
1 Jul 2019
Tseng Saria VP & General Counsel
Sold, plan not stated
$600.79K 4,305 at 139.56
1.4%
1 Jul 2019
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$600.79K 4,305 at 139.56
1.2%
1 Jul 2019
Sold, plan not stated
$126.30K 905 at 139.56
1.0%
28 Jun 2019
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated 2×
$577.78K 4,236 at 136.40
1.1%
27 Jun 2019
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated 2×
$1.05M 7,979 at 131.09
2.0%
24 Jun 2019
Sciammas Maurice Sr. V.P. of Sales & Marketing
Sold, plan not stated
$350.13K 2,722 at 128.63
0.7%
10 Jun 2019
Tseng Saria VP & General Counsel
Sold, plan not stated
$676.39K 5,203 at 130.00
1.7%
30 May 2019
Moyer James C Director
Sold, plan not stated
$1.18M 10,000 at 118.31
2.0%
21 May 2019
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$1.22M 9,941 at 122.87
2.4%
20 May 2019
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$1.20M 9,942 at 121.09
2.4%
20 May 2019
Sold, plan not stated
$6.21K 51 at 121.80
0.1%
17 May 2019
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$431.14K 3,364 at 128.16
1.0%
16 May 2019
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$449.87K 3,474 at 129.50
1.0%
13 May 2019
Moyer James C Director
Sold, plan not stated
$1.94M 15,000 at 129.18
2.9%
9 May 2019
Sold, plan not stated
$2.36M 17,416 at 135.68
1.6%
8 May 2019
Sold, plan not stated
$1.17M 8,447 at 138.03
0.8%
8 May 2019
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$392.96K 2,847 at 138.03
0.7%
8 May 2019
Tseng Saria VP & General Counsel
Sold, plan not stated
$340.92K 2,470 at 138.03
0.8%
8 May 2019
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$340.92K 2,470 at 138.03
0.7%
8 May 2019
Sold, plan not stated
$232.02K 1,681 at 138.03
2.0%
3 May 2019
Sold, plan not stated
$1.50M 10,354 at 144.49
0.9%
3 May 2019
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$540.25K 3,739 at 144.49
0.9%
3 May 2019
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$454.28K 3,144 at 144.49
0.9%
3 May 2019
Tseng Saria VP & General Counsel
Sold, plan not stated
$454.28K 3,144 at 144.49
1.0%
22 Apr 2019
Sold, plan not stated
$160.07K 1,047 at 152.89
1.2%
18 Apr 2019
Tseng Saria VP & General Counsel
Sold, plan not stated
$1.01M 6,495 at 155.33
2.0%
8 Apr 2019
Moyer James C Director
Sold, plan not stated 3×
$2.16M 15,000 at 143.93
2.8%
4 Apr 2019
Sold, plan not stated 3×
$2.39M 16,540 at 144.20
1.5%
3 Apr 2019
Sciammas Maurice Sr. V.P. of Sales & Marketing
Sold, plan not stated
$427.14K 3,008 at 142.00
0.7%
1 Apr 2019
Sold, plan not stated
$1.52M 10,960 at 138.60
1.0%
1 Apr 2019
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated 2×
$1.42M 10,289 at 138.32
2.3%
1 Apr 2019
Tseng Saria VP & General Counsel
Sold, plan not stated
$596.66K 4,305 at 138.60
1.3%
1 Apr 2019
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$596.66K 4,305 at 138.60
1.2%
1 Apr 2019
Sold, plan not stated
$125.43K 905 at 138.60
1.1%
28 Mar 2019
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$562.86K 4,181 at 134.62
0.9%
28 Mar 2019
Sold, plan not stated
$168.71K 1,245 at 135.51
0.1%
21 Mar 2019
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$516.64K 3,563 at 145.00
0.8%
11 Mar 2019
Moyer James C Director
Sold, plan not stated
$2.06M 15,000 at 137.01
2.8%
27 Feb 2019
Sold, plan not stated
$4.82M 35,683 at 135.08
3.0%
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