Mr. Maurice Sciammas - 08 Apr 2024 Form 4 Insider Report for MONOLITHIC POWER SYSTEMS INC (MPWR)

Reporting relationship
EVP of Sales and Marketing
Issuer ticker
MPWR
Reported as of
08 Apr 2024
Net transaction value
-$7,500,104
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
09 Apr 2024, 11:14:56 UTC
Prior SEC filing
03 Apr 2024
Next SEC filing
09 May 2024
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Saria Tseng, attorney-in-fact for Mr. Maurice Sciammas

Key filing fact

Mr. Maurice Sciammas filed Form 4 for MONOLITHIC POWER SYSTEMS INC (MPWR) on 09 Apr 2024.

Key facts

  • This page summarizes Mr. Maurice Sciammas's Form 4 filing for MONOLITHIC POWER SYSTEMS INC (MPWR).
  • 17 reported transactions and 0 derivative rows are listed below.
  • Accepted by SEC: 09 Apr 2024, 11:14.

Change

  • Previous filing in this sequence was filed on 03 Apr 2024.
  • Current net transaction value: -$7,500,104.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MPWR transaction

Common Stock

Sale

Transaction value
$230,722
Shares
-345
Change %
-0.24%
Price
$668.76
Shares after
141,399
Date
08 Apr 2024
Ownership
Direct
MPWR transaction

Common Stock

Sale

Transaction value
$134,656
Shares
-200
Change %
-0.14%
Price
$673.28
Shares after
141,199
Date
08 Apr 2024
Ownership
Direct
MPWR transaction

Common Stock

Sale

Transaction value
$67,454
Shares
-100
Change %
-0.07%
Price
$674.54
Shares after
141,099
Date
08 Apr 2024
Ownership
Direct
MPWR transaction

Common Stock

Sale

Transaction value
$33,105
Shares
-49
Change %
-0.03%
Price
$675.61
Shares after
141,050
Date
08 Apr 2024
Ownership
Direct
MPWR transaction

Common Stock

Sale

Transaction value
$169,819
Shares
-251
Change %
-0.18%
Price
$676.57
Shares after
140,799
Date
08 Apr 2024
Ownership
Direct
Footnotes
F1
MPWR transaction

Common Stock

Sale

Transaction value
$203,550
Shares
-300
Change %
-0.21%
Price
$678.50
Shares after
140,499
Date
08 Apr 2024
Ownership
Direct
Footnotes
F2
MPWR transaction

Common Stock

Sale

Transaction value
$203,856
Shares
-300
Change %
-0.21%
Price
$679.52
Shares after
140,199
Date
08 Apr 2024
Ownership
Direct
MPWR transaction

Common Stock

Sale

Transaction value
$1,004,890
Shares
-1,476
Change %
-1.1%
Price
$680.82
Shares after
138,723
Date
08 Apr 2024
Ownership
Direct
Footnotes
F3
MPWR transaction

Common Stock

Sale

Transaction value
$523,835
Shares
-769
Change %
-0.55%
Price
$681.19
Shares after
137,954
Date
08 Apr 2024
Ownership
Direct
Footnotes
F4
MPWR transaction

Common Stock

Sale

Transaction value
$2,248,268
Shares
-3,296
Change %
-2.4%
Price
$682.12
Shares after
134,658
Date
08 Apr 2024
Ownership
Direct
Footnotes
F5
MPWR transaction

Common Stock

Sale

Transaction value
$1,171,519
Shares
-1,714
Change %
-1.3%
Price
$683.50
Shares after
132,944
Date
08 Apr 2024
Ownership
Direct
Footnotes
F6
MPWR transaction

Common Stock

Sale

Transaction value
$473,252
Shares
-691
Change %
-0.52%
Price
$684.88
Shares after
132,253
Date
08 Apr 2024
Ownership
Direct
Footnotes
F7
MPWR transaction

Common Stock

Sale

Transaction value
$821,699
Shares
-1,199
Change %
-0.91%
Price
$685.32
Shares after
131,054
Date
08 Apr 2024
Ownership
Direct
Footnotes
F8
MPWR transaction

Common Stock

Sale

Transaction value
$68,605
Shares
-100
Change %
-0.08%
Price
$686.05
Shares after
130,954
Date
08 Apr 2024
Ownership
Direct
MPWR transaction

Common Stock

Sale

Transaction value
$6,874
Shares
-10
Change %
-0.01%
Price
$687.38
Shares after
130,944
Date
08 Apr 2024
Ownership
Direct
MPWR transaction

Common Stock

Sale

Transaction value
$68,985
Shares
-100
Change %
-0.08%
Price
$689.85
Shares after
130,844
Date
08 Apr 2024
Ownership
Direct
MPWR transaction

Common Stock

Sale

Transaction value
$69,015
Shares
-100
Change %
-0.08%
Price
$690.15
Shares after
130,744
Date
08 Apr 2024
Ownership
Direct
MPWR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
26,992
Date
08 Apr 2024
Ownership
Sciammas Family Trust
MPWR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
23,015
Date
08 Apr 2024
Ownership
By Sciammas Trust 2020
MPWR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
22,098
Date
08 Apr 2024
Ownership
Various Sciammas GRATs
MPWR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
15,014
Date
08 Apr 2024
Ownership
Christina Sciammas Trust FBO Oski Crew
MPWR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
15,014
Date
08 Apr 2024
Ownership
Maurice Sciammas Trust FBO Oski Crew
MPWR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
5,000
Date
08 Apr 2024
Ownership
Clement Sciammas Family 2021 Trust
MPWR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,000
Date
08 Apr 2024
Ownership
Peter Rafferty and Eric Toothill 2021Trust
MPWR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,000
Date
08 Apr 2024
Ownership
Rosalind Sciammas Family 2021 Trust
MPWR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,699
Date
08 Apr 2024
Ownership
The Joseph Roger Sciammas 2020 Irrevocable Trust
MPWR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,699
Date
08 Apr 2024
Ownership
The Chloe Liliane Sciammas 2020 Irrevocable Trust
MPWR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,699
Date
08 Apr 2024
Ownership
The Patrick Francis Sciammas 2020 Irrevocable Trust
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 8 footnotes

Footnote F1

The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $676.40 to $676.78. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Footnote F2

The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $678.42 to $678.54. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Footnote F3

The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $680.62 to $680.93. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Footnote F4

The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $681.01 to $681.85. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Footnote F5

The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $682.00 to $682.98. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Footnote F6

The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $683.00 to $683.75. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Footnote F7

The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $684.78 to $684.99. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Footnote F8

The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $685.00 to $685.69. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

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