Maurice Sciammas - 18 Feb 2025 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
18 Feb 2025
Transactions value $
$0
Form type
4
Filing time
20 Feb 2025, 19:02:07 UTC
Previous filing
13 Feb 2025
Next filing
09 May 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MPWR Common Stock Gift $0 -1,102 -5.45% $0 19,104 18 Feb 2025 Various Sciammas GRATs F1
transaction MPWR Common Stock Gift $0 +1,102 +2.97% $0 38,216 18 Feb 2025 Sciammas Family Trust F2
holding MPWR Common Stock 102,325 18 Feb 2025 Direct F3
holding MPWR Common Stock 10,899 18 Feb 2025 Maurice Sciammas Trust FBO Oski Crew
holding MPWR Common Stock 1,699 18 Feb 2025 The Chloe Liliane Sciammas 2020 Irrevocable Trust
holding MPWR Common Stock 10,899 18 Feb 2025 Christina Sciammas Trust FBO Oski Crew
holding MPWR Common Stock 2,000 18 Feb 2025 Rosalind Sciammas Family 2021 Trust
holding MPWR Common Stock 5,000 18 Feb 2025 Clement Sciammas Family 2021 Trust
holding MPWR Common Stock 16,015 18 Feb 2025 By Sciammas Trust 2020
holding MPWR Common Stock 1,699 18 Feb 2025 The Patrick Francis Sciammas 2020 Irrevocable Trust
holding MPWR Common Stock 2,000 18 Feb 2025 Peter Rafferty and Eric Toothill 2021Trust
holding MPWR Common Stock 1,699 18 Feb 2025 The Joseph Roger Sciammas 2020 Irrevocable Trust
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 1,102 shares were transferred from Siblings 2021 GRATs, on which the reporting person is a Trustee, to the Sciammas Family Trust, on which the reporting person is a Trustee. No funds were exchanged, and no sale of shares occurred in the transfer.
F2 1,102 shares were received by the Sciammas Family Trust, on which the reporting person is a Trustee, transferred from Siblings 2021 GRATS, on which the reporting person is a Trustee. No funds were exchanged and no sale of shares occurred in the transfer.
F3 Ending balance includes 24 shares acquired on February 17, 2025 through the Company's qualified ESPP program.