Home/Filings/4/0001214659-25-017014
4//SEC Filing

Sciammas Maurice 4

Accession 0001214659-25-017014

CIK 0001280452other

Filed

Nov 19, 7:00 PM ET

Accepted

Nov 20, 4:47 PM ET

Size

33.7 KB

Accession

0001214659-25-017014

Insider Transaction Report

Form 4
Period: 2025-11-19
Sciammas Maurice
Sr. V.P.of Sales and Marketing
Transactions
  • Sale

    Common Stock

    2025-11-19$862.58/sh240$207,019183,066 total
  • Sale

    Common Stock

    2025-11-19$865.89/sh40$34,636182,866 total
  • Sale

    Common Stock

    2025-11-19$867.57/sh699$606,431181,828 total
  • Sale

    Common Stock

    2025-11-19$870.36/sh320$278,515178,943 total
  • Sale

    Common Stock

    2025-11-19$871.45/sh220$191,719178,723 total
  • Sale

    Common Stock

    2025-11-19$868.42/sh723$627,868181,105 total
  • Sale

    Common Stock

    2025-11-19$873.78/sh1,146$1,001,352177,003 total
  • Sale

    Common Stock

    2025-11-19$863.86/sh160$138,218182,906 total
  • Sale

    Common Stock

    2025-11-19$869.39/sh1,842$1,601,416179,263 total
  • Sale

    Common Stock

    2025-11-19$872.80/sh574$500,987178,149 total
  • Sale

    Common Stock

    2025-11-19$866.19/sh339$293,638182,527 total
  • Sale

    Common Stock

    2025-11-19$874.50/sh731$639,260176,272 total
Holdings
  • Common Stock

    (indirect: By Trust)
    49,460
  • Common Stock

    (indirect: By Trust)
    4,015
  • Common Stock

    (indirect: By Trust)
    5,000
  • Common Stock

    (indirect: By Trust)
    1,699
  • Common Stock

    (indirect: By Trust)
    2,000
  • Common Stock

    (indirect: Rosalind Sciammas Brokerage Account)
    1,299
  • Common Stock

    (indirect: Various Sciammas GRATs)
    26,660
  • Common Stock

    (indirect: By Trust)
    1,699
  • Common Stock

    (indirect: By Trust)
    1,699
  • Common Stock

    (indirect: By Trust)
    1,000
  • Common Stock

    (indirect: By Trust)
    1,499
Footnotes (10)
  • [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 $862.25 to $862.75. 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.
  • [F10]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 $874.09 to $874.90. 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.
  • [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 $866.16 to $866.51. 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.
  • [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 $867.04 to $867.98. 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.
  • [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 $868.00 to $868.94. 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.
  • [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 $869.00 to $869.91. 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.
  • [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 $870.07 to $870.98. 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.
  • [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 $871.39 to $871.64. 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.
  • [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 $872.74 to $872.89. 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.
  • [F9]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 $873.49 to $873.97. 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.

Issuer

MONOLITHIC POWER SYSTEMS INC

CIK 0001280452

Entity typeother

Related Parties

1
  • filerCIK 0001360833

Filing Metadata

Form type
4
Filed
Nov 19, 7:00 PM ET
Accepted
Nov 20, 4:47 PM ET
Size
33.7 KB