Form 4 for MPWR Monolithic Power Systems

Accepted 2025-02-13 00:00:00 ET · period of report 2025-02-11 · accession 0001214659-25-002586 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
MI	2025-02-13	2025-02-11	MPWR	Sciammas Maurice	EVP, WW Sales, Marketing	G - Gift	$0.00	0	37.1K	New	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2025-02-11	G	D	2,525	$0.00	10,899	I Christina Sciammas Trust FBO Oski Crew	—	—	(F2) 2,525 shares were transferred from a Christina Sciammas GRAT for Oski Crew, 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.
2	Common	Common Stock	2025-02-11	G	D	2,525	$0.00	10,899	I Maurice Sciammas Trust FBO Oski Crew	—	—	(F1) 2,525 shares were transferred from a Maurice Sciammas GRAT for Oski Crew, 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.
3	Common	Common Stock	2025-02-11	G	A	5,050	$0.00	37,114	I Sciammas Family Trust	—	—	(F3) 5,050 shares were received by the Sciammas Family Trust, on which the reporting person is a Trustee, transferred from a Maurice Sciammas GRAT for Oski Crew and a Christina Sciammas GRAT for Oski Crew, on which the reporting person is a Trustee. No funds were exchanged and no sale of shares occurred in the transfer.