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Filing Details

Accession Number:: 0001214659-24-003948
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2024-03-04 11:07:52
Reporting Period:: 2024-03-01

Accepted Time:: 2024-03-04 11:07:52
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1280452	Monolithic Power Systems Inc	MPWR	Semiconductors & Related Devices (3674)	770466789

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1415033	Theodore Blegen	5808 Lake Washington Blvd Ne Kirkland WA 98033	Cfo	No	No	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Disposition	2024-03-01	200	$718.35	82,973	No	4	S	Direct
Common Stock	Disposition	2024-03-01	200	$719.48	82,773	No	4	S	Direct
Common Stock	Disposition	2024-03-01	80	$720.75	82,693	No	4	S	Direct
Common Stock	Disposition	2024-03-01	180	$721.27	82,513	No	4	S	Direct
Common Stock	Disposition	2024-03-01	80	$724.42	82,433	No	4	S	Direct
Common Stock	Disposition	2024-03-01	100	$725.51	82,333	No	4	S	Direct
Common Stock	Disposition	2024-03-01	253	$726.61	82,080	No	4	S	Direct
Common Stock	Disposition	2024-03-01	497	$727.40	81,583	No	4	S	Direct
Common Stock	Disposition	2024-03-01	651	$728.48	80,932	No	4	S	Direct
Common Stock	Disposition	2024-03-01	149	$729.19	80,783	No	4	S	Direct
Common Stock	Disposition	2024-03-01	60	$732.01	80,723	No	4	S	Direct
Common Stock	Disposition	2024-03-01	50	$733.37	80,723	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	5,331	Indirect	Irrevocable Trust FBO Theodore F. Blegen
Common Stock	5,331	Indirect	Irrevocable Trust FBO Sarah N. Blegen

Footnotes

The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $718.26 to $718.44. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $719.35 to $719.60. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $721.09 to $721.54. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $726.32 to $726.95. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $727.00 to $727.57. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $728.00 to $728.95. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $729.04 to $729.49. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Ending balance includes 50 shares acquired on February 15, 2024 through the Company's qualified ESPP program.