MONOLITHIC POWER SYSTEMS INC — Director's Dealing 2022

Jan 24, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MONOLITHIC POWER SYSTEMS INC (MPWR)
CIK: 0001280452
Period of Report: 2022-01-20

Reporting Person: BLEGEN THEODORE (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-01-20	Common Stock	S	438	$404.2532	Disposed	117777	Direct
2022-01-20	Common Stock	S	100	$405.36	Disposed	117677	Direct
2022-01-20	Common Stock	S	60	$406.31	Disposed	117617	Direct
2022-01-20	Common Stock	S	40	$407.77	Disposed	117577	Direct
2022-01-20	Common Stock	S	60	$408.89	Disposed	117517	Direct
2022-01-20	Common Stock	S	40	$411.53	Disposed	117477	Direct
2022-01-20	Common Stock	S	40	$412.94	Disposed	117437	Direct
2022-01-20	Common Stock	S	107	$415.35	Disposed	117330	Direct
2022-01-20	Common Stock	S	60	$416.48	Disposed	117270	Direct
2022-01-20	Common Stock	S	40	$417.29	Disposed	117230	Direct
2022-01-20	Common Stock	S	58	$418.72	Disposed	117172	Direct
2022-01-20	Common Stock	S	220	$419.85	Disposed	116952	Direct
2022-01-20	Common Stock	S	220	$421.18	Disposed	116732	Direct
2022-01-20	Common Stock	S	245	$422.31	Disposed	116487	Direct
2022-01-20	Common Stock	S	139	$422.99	Disposed	116348	Direct
2022-01-20	Common Stock	S	30	$424.14	Disposed	116318	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	5331	Indirect
Common Stock	5331	Indirect

Footnotes

F1: Shares sold pursuant to the reporting person's 10b5-1 plan.

F2: 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 $404.06 to $404.81. 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.

F3: 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 $405.15 to $405.46. 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.

F4: 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 $406.15 to $406.44. 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.

F5: 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 $407.545 to $407.98. 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.

F6: 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 $408.60 to $409.05. 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.

F7: 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 $411.11 to $411.94. 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.

F8: 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 $412.21 to $413.67. 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.

F9: 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 $414.77 to $415.71. 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.

F10: 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 $416.01 to $416.92. 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.

F11: 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 $417.09 to $417.48. 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.

F12: 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 $418.30 to $419.16. 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.

F13: 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 $419.52 to $420.30. 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.

F14: 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 $420.80 to $421.74. 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.

F15: 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 $421.80 to $422.74. 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.

F16: 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 $422.85 to $423.25. 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.

F17: 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 $423.92 to $424.58. 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.