Form Type: 4

SEC EDGAR Link
Accession Number:0001437749-20-018480
Date:2020-08-17
Issuer: MONOLITHIC POWER SYSTEMS INC (MPWR)
Original Submission Date:

Reporting Person:

TSENG SARIA
5808 LAKE WASHINGTON BLVD NE
KIRKLAND, WA 98033

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of SecurityTransaction Date2a. Deemed Execution Date Transaction CodeSharesAcquired or DisposedPrice per share 5. Amount of Securities Beneficially Owned Following Reported Transaction 6. Ownership Form Direct or IndirectNature of Indirect Ownership
COMMON STOCK 2020-08-17 J 65 a $157.53 270,430 direct
COMMON STOCK 2020-08-19 S 65 d $276.37 270,365 direct
COMMON STOCK 2020-08-19 S 4,917 d $277.24 265,448 direct
Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security Conversion or Exercise Price of Derivative Security Transaction Date Deemed Execution Date Transaction Code Number of Derivative Securities Acquired (A) or Disposed of (D) Date ExercisableExpiration Date Title and Amount of Securities Underlying Derivative Security Price of Derivative Security Number of derivative Securities Beneficially Owned Following Reported Transaction(s) Ownership Form: Direct (D) or Indirect (I) Nature of Indirect Beneficial Ownership
Footnotes
IDfootnote
f1 acquired through the company's qualified espp program.
f2 in accordance with the reporting person's 10b5-1 trading plan.
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 $274.355 to $278.83. 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.
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