MONOLITHIC POWER SYSTEMS INC — Director's Dealing 2022

Feb 4, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MONOLITHIC POWER SYSTEMS INC (MPWR)
CIK: 0001280452
Period of Report: 2022-02-03

Reporting Person: Hsing Michael (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-02-03	Common Stock	A	153324	$0.00	Acquired	1103649	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	133040	Indirect
Common Stock	12825	Indirect

Footnotes

F1: On February 4, 2020, the reporting person was granted a target of 51,108 shares of restricted stock units, with the right to earn up to 300% of the target shares, subject to satisfaction of pre-determined, performance-based vesting criteria. On February 3, 2022, the Company's Compensation Committee of the Board of Directors determined and approved the achievement of the performance criteria for the restricted stock units, which resulted in 102,216 additional shares being earned by the reporting person. Of the restricted stock units that were awarded, 76,662 will vest immediately and 76,662 will vest quarterly in the next two years.