MONOLITHIC POWER SYSTEMS INC — Director's Dealing 2023

Jan 5, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MONOLITHIC POWER SYSTEMS INC (MPWR)
CIK: 0001280452
Period of Report: 2023-01-03

Reporting Person: Sciammas Maurice (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-01-03	Common Stock	S	5528	$344.96	Disposed	192856	Direct
2022-12-15	Common Stock	G	6204	—	Acquired	13502	Indirect
2022-12-15	Common Stock	G	3102	—	Disposed	19458	Indirect
2022-12-15	Common Stock	G	3102	—	Disposed	19458	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2000	Indirect
Common Stock	23015	Indirect
Common Stock	26700	Indirect
Common Stock	1699	Indirect
Common Stock	1699	Indirect
Common Stock	5000	Indirect
Common Stock	2000	Indirect
Common Stock	1699	Indirect

Footnotes

F1: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plan.

F2: 6,204 shares were received by the Sciammas Family Trust, on which Maurice Sciammas is a Trustee, as a gift from the reporting person's two Trusts for the Oski Crew. No funds were exchanged and no sale of shares occurred in the transfer.

F3: 3,102 shares were transferred as a gift from the reporting person's Trust for the Oski Crew, on which Maurice Sciammas is the Trustee, to the Sciammas Family Trust, on which Maurice Sciammas is a Trustee. No funds were exchanged and no sale of shares occurred in the transfer.

F4: 3,102 shares were transferred as a gift from the Christina Sciammas Trust for the Oski Crew to the Sciammas Family Trust, on which Maurice Sciammas is a Trustee. No funds were exchanged and no sale of shares occurred in the transfer.