Filing Details

Accession Number:
0001214659-22-003138
Form Type:
4
Zero Holdings:
No
Publication Time:
2022-02-24 16:40:00
Reporting Period:
2022-02-22
Accepted Time:
2022-02-24 16:40:00
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 4040 Lake Washington Blvd. Ne, Suite 201
Kirkland WA 98033
Cfo No No No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Disposition 2022-02-22 60 $445.22 134,647 No 4 S Direct
Common Stock Disposition 2022-02-22 60 $447.07 134,587 No 4 S Direct
Common Stock Disposition 2022-02-22 81 $448.33 134,506 No 4 S Direct
Common Stock Disposition 2022-02-22 544 $449.84 133,962 No 4 S Direct
Common Stock Disposition 2022-02-22 137 $450.48 133,825 No 4 S Direct
Common Stock Disposition 2022-02-22 95 $451.58 133,730 No 4 S Direct
Common Stock Disposition 2022-02-22 80 $452.60 133,650 No 4 S Direct
Common Stock Disposition 2022-02-22 80 $453.91 133,570 No 4 S Direct
Common Stock Disposition 2022-02-22 122 $455.27 133,448 No 4 S Direct
Common Stock Disposition 2022-02-22 40 $456.06 133,408 No 4 S Direct
Common Stock Disposition 2022-02-22 60 $457.48 133,348 No 4 S Direct
Common Stock Disposition 2022-02-22 40 $458.19 133,308 No 4 S Direct
Common Stock Disposition 2022-02-22 60 $459.84 133,248 No 4 S Direct
Common Stock Disposition 2022-02-22 60 $461.14 133,188 No 4 S Direct
Common Stock Disposition 2022-02-22 20 $463.65 133,168 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
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
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 Sarah N. Blegen
Common Stock 5,331 Indirect Irrevocable Trust FBO Theodore F. Blegen
Footnotes
  1. Shares sold pursuant to the reporting person's 10b5-1 plan.
  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 $444.82 to $445.73. 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. Ending balance includes 55 shares acquired on February 15, 2022 through the Company's qualified ESPP program.
  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 $446.85 to $447.47. 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 $447.96 to $448.70. 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 $449.18 to $450.17. 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.
  7. 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 $450.26 to $450.74. 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.
  8. 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 $451.31 to $452.13. 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.
  9. 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 $452.34 to $453.04. 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.
  10. 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 $453.39 to $454.38. 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.
  11. 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 $454.83 to $455.74. 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.
  12. 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 $455.96 to $456.15. 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.
  13. 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 $457.03 to $457.82. 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.
  14. 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 $458.12 to $458.25. 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.
  15. 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 $459.47 to $460.32. 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.
  16. 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 $460.79 to $461.65. 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.