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
26 Feb 2019
Sold, plan not stated
$2.82M 20,558 at 137.11
1.7%
25 Feb 2019
Sold, plan not stated
$2.61M 19,000 at 137.55
1.6%
25 Feb 2019
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated 2×
$1.94M 13,979 at 138.74
3.8%
21 Feb 2019
Moyer James C Director
Sold, plan not stated
$1.35M 10,000 at 134.66
1.8%
20 Feb 2019
Tseng Saria VP & General Counsel
Sold, plan not stated 2×
$3.07M 22,403 at 136.93
6.4%
19 Feb 2019
Sold, plan not stated
$24.84K 181 at 137.23
0.2%
14 Feb 2019
Sold, plan not stated
$2.71M 20,047 at 135.07
1.6%
12 Feb 2019
Sold, plan not stated
$9.52M 72,851 at 130.66
5.5%
12 Feb 2019
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$3.01M 23,020 at 130.66
4.9%
12 Feb 2019
Tseng Saria VP & General Counsel
Sold, plan not stated
$2.83M 21,694 at 130.66
5.8%
12 Feb 2019
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$2.78M 21,308 at 130.66
5.5%
12 Feb 2019
Sold, plan not stated
$1.65M 12,656 at 130.66
12.9%
4 Feb 2019
Sold, plan not stated
$1.88M 14,516 at 129.59
1.4%
4 Feb 2019
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$598.05K 4,615 at 129.59
1.1%
4 Feb 2019
Tseng Saria VP & General Counsel
Sold, plan not stated
$469.50K 3,623 at 129.59
1.2%
4 Feb 2019
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$469.50K 3,623 at 129.59
1.1%
22 Jan 2019
Sold, plan not stated
$111.03K 899 at 123.50
1.6%
14 Jan 2019
Moyer James C Director
Sold, plan not stated
$1.81M 15,000 at 120.59
2.6%
10 Dec 2018
Moyer James C Director
Sold, plan not stated
$1.80M 15,000 at 120.16
2.5%
3 Dec 2018
Sold, plan not stated
$4.74M 35,171 at 134.77
3.2%
26 Nov 2018
Moyer James C Director
Sold, plan not stated
$1.26M 10,000 at 126.18
1.6%
16 Nov 2018
Tseng Saria VP & General Counsel
Sold, plan not stated 3×
$713.31K 5,641 at 126.45
1.8%
5 Nov 2018
Sold, plan not stated
$1.93M 15,867 at 121.73
1.4%
5 Nov 2018
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$707.02K 5,808 at 121.73
1.4%
5 Nov 2018
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$586.63K 4,819 at 121.73
1.5%
5 Nov 2018
Tseng Saria VP & General Counsel
Sold, plan not stated
$586.62K 4,819 at 121.73
1.5%
22 Oct 2018
Sold, plan not stated
$124.70K 1,088 at 114.61
1.9%
8 Oct 2018
Moyer James C Director
Sold, plan not stated
$1.75M 15,000 at 116.55
2.4%
1 Oct 2018
Sold, plan not stated
$2.00M 15,870 at 126.18
1.5%
10 Sep 2018
Moyer James C Director
Sold, plan not stated
$2.19M 15,000 at 146.27
2.3%
4 Sep 2018
Sold, plan not stated
$3.81M 25,332 at 150.36
2.3%
31 Aug 2018
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated 2×
$1.49M 10,000 at 148.55
3.3%
27 Aug 2018
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$500.11K 3,334 at 150.00
1.1%
23 Aug 2018
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated 2×
$801.59K 5,497 at 145.82
1.8%
21 Aug 2018
Tseng Saria VP & General Counsel
Sold, plan not stated 2×
$833.40K 5,795 at 143.81
2.0%
20 Aug 2018
Sold, plan not stated
$7.05K 50 at 141.00
0.1%
17 Aug 2018
Sold, plan not stated
$18.28K 131 at 139.56
0.2%
14 Aug 2018
Sold, plan not stated
$2.49M 17,634 at 141.05
1.6%
14 Aug 2018
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated 2×
$1.51M 10,737 at 141.02
2.7%
10 Aug 2018
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$1.54M 11,081 at 138.93
3.4%
6 Aug 2018
Sold, plan not stated
$765.51K 5,629 at 135.99
0.5%
6 Aug 2018
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$292.93K 2,154 at 135.99
0.5%
6 Aug 2018
Tseng Saria VP & General Counsel
Sold, plan not stated
$232.55K 1,710 at 135.99
0.6%
6 Aug 2018
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$232.55K 1,710 at 135.99
0.5%
3 Aug 2018
Sold, plan not stated
$1.35M 9,943 at 135.45
0.9%
3 Aug 2018
Sciammas Maurice Sr. V.P.of Sales and Marketing
Sold, plan not stated
$482.76K 3,564 at 135.45
0.9%
3 Aug 2018
Tseng Saria VP & General Counsel
Sold, plan not stated
$408.94K 3,019 at 135.45
1.0%
3 Aug 2018
Xiao Deming Pres. of MPS Asia Operations
Sold, plan not stated
$408.94K 3,019 at 135.45
0.9%
9 Jul 2018
Moyer James C Director
Sold, plan not stated
$2.06M 15,000 at 137.31
2.3%
2 Jul 2018
Sold, plan not stated
$2.66M 20,000 at 132.97
1.7%
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