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
1 Jun 2018
Sold, plan not stated
$2.66M 20,000 at 133.05
1.7%
29 May 2018
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$906.50K 6,900 at 131.38
1.7%
22 May 2018
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$801.54K 6,161 at 130.10
1.5%
21 May 2018
Tseng Saria VP & General Counsel
Sold, plan not stated 2×
$663.69K 5,070 at 130.91
1.7%
18 May 2018
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$626.08K 4,816 at 130.00
1.4%
18 May 2018
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$387.69K 3,000 at 129.23
0.7%
18 May 2018
Sold, plan not stated
$6.45K 50 at 128.96
0.1%
17 May 2018
Sold, plan not stated
$16.56K 130 at 127.37
0.2%
14 May 2018
Sold, plan not stated
$2.24M 17,633 at 126.75
1.5%
7 May 2018
Moyer James C Director
Sold, plan not stated
$1.25M 10,000 at 124.89
1.5%
7 May 2018
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$200.00K 1,600 at 125.00
0.4%
4 May 2018
Sold, plan not stated
$848.33K 6,916 at 122.66
0.6%
4 May 2018
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$264.09K 2,153 at 122.66
0.5%
4 May 2018
Tseng Saria VP & General Counsel
Sold, plan not stated
$262.01K 2,136 at 122.66
0.7%
4 May 2018
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$257.71K 2,101 at 122.66
0.6%
3 May 2018
Sold, plan not stated
$1.38M 11,665 at 118.43
1.0%
3 May 2018
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$430.14K 3,632 at 118.43
0.9%
3 May 2018
Tseng Saria VP & General Counsel
Sold, plan not stated
$426.35K 3,600 at 118.43
1.2%
3 May 2018
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$419.48K 3,542 at 118.43
1.0%
30 Apr 2018
Sold, plan not stated
$27.97K 232 at 120.55
0.4%
18 Apr 2018
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$175.02K 1,400 at 125.02
0.3%
9 Apr 2018
Moyer James C Director
Sold, plan not stated
$1.70M 15,000 at 113.41
2.2%
2 Apr 2018
Sold, plan not stated
$2.24M 20,000 at 111.90
1.6%
19 Mar 2018
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated 2×
$539.31K 4,419 at 122.04
1.0%
5 Mar 2018
Moyer James C Director
Sold, plan not stated
$1.77M 15,000 at 118.10
2.2%
1 Mar 2018
Sold, plan not stated
$53.90K 460 at 117.18
0.8%
22 Feb 2018
Tseng Saria VP & General Counsel
Sold, plan not stated
$3.10M 26,429 at 117.34
8.0%
21 Feb 2018
Sold, plan not stated
$4.06M 34,313 at 118.34
2.7%
21 Feb 2018
Moyer James C Director
Sold, plan not stated
$1.19M 10,000 at 118.77
1.4%
20 Feb 2018
Sold, plan not stated
$2.22M 18,716 at 118.73
1.4%
20 Feb 2018
Sold, plan not stated 2×
$150.94K 1,287 at 117.28
2.2%
14 Feb 2018
Sold, plan not stated
$2.27M 20,429 at 111.15
1.6%
13 Feb 2018
Sold, plan not stated
$784.93K 7,261 at 108.10
11.1%
12 Feb 2018
Sold, plan not stated
$10.41M 96,181 at 108.19
6.8%
12 Feb 2018
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$3.19M 29,497 at 108.19
6.5%
12 Feb 2018
Tseng Saria VP & General Counsel
Sold, plan not stated
$3.19M 29,497 at 108.19
8.2%
12 Feb 2018
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$3.16M 29,203 at 108.19
7.9%
12 Feb 2018
Sold, plan not stated
$818.38K 7,564 at 108.19
10.4%
5 Feb 2018
Sold, plan not stated
$1.98M 17,354 at 113.85
1.6%
5 Feb 2018
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$498.91K 4,382 at 113.85
1.6%
5 Feb 2018
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$461.91K 4,057 at 113.85
1.1%
5 Feb 2018
Tseng Saria VP & General Counsel
Sold, plan not stated
$461.91K 4,057 at 113.85
1.5%
30 Jan 2018
Sold, plan not stated 2×
$54.30K 450 at 120.66
1.1%
16 Jan 2018
Moyer James C Director
Sold, plan not stated
$1.84M 15,000 at 122.36
2.1%
18 Dec 2017
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$194.12K 1,693 at 114.66
0.5%
11 Dec 2017
Moyer James C Director
Sold, plan not stated
$1.71M 15,000 at 113.70
2.0%
1 Dec 2017
Sold, plan not stated
$54.12K 459 at 117.91
1.1%
21 Nov 2017
Tseng Saria VP & General Counsel
Sold, plan not stated
$627.82K 4,998 at 125.62
1.8%
20 Nov 2017
Moyer James C Director
Sold, plan not stated
$1.24M 10,000 at 123.76
1.3%
20 Nov 2017
Sold, plan not stated
$9.70K 79 at 122.75
0.2%
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