Home/Filings/4/0001214659-25-017016
4//SEC Filing

Sciammas Maurice 4

Accession 0001214659-25-017016

CIK 0001280452other

Filed

Nov 19, 7:00 PM ET

Accepted

Nov 20, 4:48 PM ET

Size

34.7 KB

Accession

0001214659-25-017016

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$876.62/sh940$824,023174,901 total
  • Sale

    Common Stock

    2025-11-19$877.45/sh1,976$1,733,841172,925 total
  • Sale

    Common Stock

    2025-11-19$880.58/sh3,776$3,325,070165,329 total
  • Sale

    Common Stock

    2025-11-19$882.51/sh3,344$2,951,113159,516 total
  • Sale

    Common Stock

    2025-11-19$879.54/sh1,966$1,729,176169,105 total
  • Sale

    Common Stock

    2025-11-19$884.44/sh2,149$1,900,662150,854 total
  • Sale

    Common Stock

    2025-11-19$886.01/sh810$717,668148,306 total
  • Sale

    Common Stock

    2025-11-19$878.55/sh1,854$1,628,832171,071 total
  • Sale

    Common Stock

    2025-11-19$881.42/sh2,469$2,176,226162,860 total
  • Sale

    Common Stock

    2025-11-19$883.50/sh6,513$5,754,236153,003 total
  • Sale

    Common Stock

    2025-11-19$885.10/sh1,738$1,538,304149,116 total
  • Sale

    Common Stock

    2025-11-19$875.26/sh431$377,237175,841 total
Holdings
  • Common Stock

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

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

    (indirect: By Trust)
    1,499
  • Common Stock

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

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

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

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

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

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

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

    (indirect: By Trust)
    1,699
Footnotes (12)
  • [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 $875.01 to $875.95. 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 $884.00 to $884.69. 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.
  • [F11]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 $885.00 to $885.99. 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.
  • [F12]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 $886.00 to $886.15. 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 $876.28 to $876.97. 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.
  • [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 $877.00 to $877.97. 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.
  • [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 $878.00 to $878.97. 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.
  • [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 $879.25 to $879.99. 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.
  • [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 $880.07 to $880.94. 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.
  • [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 $881.01 to $881.93. 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.
  • [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 $882.06 to $882.92. 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 $883.00 to $883.93. 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.

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, 4:48 PM ET
Size
34.7 KB