Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
(Print or Type Responses)
1. Name and Address of Reporting Person *
BLEGEN THEODORE
2. Issuer Name and Ticker or Trading Symbol
MONOLITHIC POWER SYSTEMS INC [MPWR]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP and CFO
(Last) (First) (Middle)
5808 LAKE WASHINGTON BLVD NE
3. Date of Earliest Transaction (Month/Day/Year)
11/01/2024
(Street)
KIRKLAND, WA 98033
4. If Amendment, Date Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City) (State) (Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 11/01/2024 S 150 D $764.54(1) 59,028 D
Common Stock 11/01/2024 S 50 D $765.13 58,978 D
Common Stock 11/01/2024 S 208 D $766.22 58,770 D
Common Stock 11/01/2024 S 183 D $767.82(2) 58,587 D
Common Stock 11/01/2024 S 175 D $768.08 58,412 D
Common Stock 11/01/2024 S 50 D $770.46 58,362 D
Common Stock 11/01/2024 S 246 D $771.03(3) 58,116 D
Common Stock 11/01/2024 S 200 D $772.4(4) 57,916 D
Common Stock 11/01/2024 S 300 D $775.65 57,616 D
Common Stock 11/01/2024 S 73 D $776.24 57,543 D
Common Stock 11/01/2024 S 300 D $777.43(5) 57,243 D
Common Stock 11/01/2024 S 465 D $778.33(6) 56,778 D
Common Stock 11/01/2024 S 100 D $779.79 56,678 D
Common Stock 5,331 I Irrevocable Trust FBO Sarah N. Blegen
Common Stock 5,331 I Irrevocable Trust FBO Theodore F. Blegen
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
BLEGEN THEODORE
5808 LAKE WASHINGTON BLVD NE
KIRKLAND, WA 98033
EVP and CFO
Signatures
/s/ Saria Tseng, attorney-in-fact for Mr. Bernie Blegen 11/05/2024
**Signature of Reporting Person Date
Explanation of Responses:
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) 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 $764.46 to $764.62. 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.
(2) 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 $767.64 to $767.97. 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.
(3) 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 $771.00 to $771.40. 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.
(4) 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 $772.00 to $772.80. 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.
(5) 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 $777.00 to $777.90. 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.
(6) 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 $778.02 to $778.37. 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.
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.

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MPS - Monolithic Power Systems Inc. published this content on November 05, 2024, and is solely responsible for the information contained herein. Distributed by Public, unedited and unaltered, on November 05, 2024 at 23:12:18.027.