MONOLITHIC POWER SYSTEMS INC

Semiconductors & Related Devices·WEST PALM BEACH, FL·FY end 12/31·CIK 1280452

CEO Pay Ratio

372:1

Mr. Hsing

CEO Total Comp

$19.9M

Mr. Hsing

Median Employee

$53,601

Revenue

$737.2M

FY 2025

Net Income

$179.8M

FY 2025

Free Cash Flow

$666.2M

FY 2025

Net Margin

24.4%

Insider Net (180d)

-$338.9M

0 buys / 76 sales

CEO Pay Accountability

CEO comp as % of net income

11.09%

For every $1,000 of profit, $110.87 flows to the CEO.

CEO comp as % of buybacks

301.98%

CEO comp equals 3019.8‰ of cash returned to shareholders via buybacks.

5-year history · USD

Metric	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021	Trend
Revenue	$737.2M	$2.2B	$1.8B	$1.8B	$1.2B
Gross Profit	$406.2M	$1.2B	$1.0B	$1.0B	$685.5M
Operating Income	$195.2M	$539.4M	$481.7M	$526.8M	$262.4M
Net Income	$179.8M	$1.8B	$427.4M	$437.7M	$242.0M
Operating CF	$838.2M	$788.4M	$638.2M	$246.7M	$320.0M
Capex	$172.0M	$146.1M	$57.6M	$58.8M	$94.4M
Free Cash Flow	$666.2M	$642.3M	$580.6M	$187.8M	$225.6M
Buybacks	$6.6M	$636.2M	$3.7M	—	—
Dividends	—	—	—	—	—	—

Gross Margin	55.1%	55.3%	56.1%	58.4%	56.8%
Operating Margin	26.5%	24.4%	26.5%	29.4%	21.7%
Net Margin	24.4%	81.0%	23.5%	24.4%	20.0%
FCF Margin	90.4%	29.1%	31.9%	10.5%	18.7%
R&D / Revenue	—	—	—	—	—	—
Effective Tax	12.6%	-211.9%	15.5%	16.6%	11.1%
Debt / Equity	—	—	—	—	—	—
Buybacks / FCF	1.0%	99.1%	0.6%	—	—

FY 2025

Executive	Salary	Stock	Options	Bonus / Inc.	Other	Total
Mr. HsingPrincipal Executive Officer (CEO)	—	—	—	—	—	$19.9M
Michael HsingChairman of the Board, President and	$1.0M	$12.7M	—	$6.2M	$3.4K	$19.9M
Saria TsengExecutive Vice President, Strategic Corporate	$536.1K	$5.2M	—	$3.2M	$6.9K	$9.0M
Deming XiaoExecutive Vice President,	$536.1K	$5.2M	—	$3.2M	$6.7K	$9.0M
Maurice SciammasExecutive Vice President,	$536.1K	$5.2M	—	$3.2M	$4.3K	$9.0M
Bernie BlegenExecutive Vice President,	$494.9K	$3.6M	—	$3.0M	$3.9K	$7.0M
Global Operations	$434.3K	$5.1M	—	$796.3K	—	$6.4M
Worldwide Sales and Marketing	$434.3K	$5.1M	—	$796.3K	—	$6.4M
Mr. Blegen	—	—	—	—	—	—
Mr. Sciammas	—	—	—	—	—	—
Mr. Xiao	—	—	—	—	—	—
Ms. Tseng	—	—	—	—	—	—