Maurice Sciammas - 11 Feb 2026 Form 4 Insider Report for MONOLITHIC POWER SYSTEMS INC (MPWR)

Signature
/s/ Saria Tseng, attorney-in-fact for Mr. Maurice Sciammas
Issuer symbol
MPWR
Transactions as of
11 Feb 2026
Net transactions value
-$235,995
Form type
4
Filing time
12 Feb 2026, 19:37:39 UTC
Previous filing
10 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Sciammas Maurice EVP, WW Sales & Marketing 1555 PALM BEACH LAKES BLVD., WEST PALM BEACH /s/ Saria Tseng, attorney-in-fact for Mr. Maurice Sciammas 12 Feb 2026 0001360833

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MPWR Common Stock Sale $235,995 -200 -13% $1179.98 1,299 11 Feb 2026 Clement Sciammas Trust
holding MPWR Common Stock 178,625 11 Feb 2026 Direct
holding MPWR Common Stock 1,699 11 Feb 2026 The Joseph Roger Sciammas 2020 Irrevocable Trust
holding MPWR Common Stock 2,000 11 Feb 2026 Rosalind Sciammas Family 2021 Trust
holding MPWR Common Stock 1,299 11 Feb 2026 Rosalind Sciammas Brokerage Account
holding MPWR Common Stock 49,460 11 Feb 2026 Sciammas Family Trust
holding MPWR Common Stock 26,660 11 Feb 2026 Various Sciammas GRATs
holding MPWR Common Stock 1,699 11 Feb 2026 The Patrick Francis Sciammas 2020 Irrevocable Trust
holding MPWR Common Stock 4,015 11 Feb 2026 By Sciammas Trust 2020
holding MPWR Common Stock 1,000 11 Feb 2026 Peter Rafferty and Eric Toothill 2021Trust
holding MPWR Common Stock 1,699 11 Feb 2026 The Chloe Liliane Sciammas 2020 Irrevocable Trust
holding MPWR Common Stock 5,000 11 Feb 2026 Clement Sciammas Family 2021 Trust
* An asterisk sign (*) next to the price indicates that the price is likely invalid.