Filing Details

Accession Number:
0001214659-21-012211
Form Type:
4
Zero Holdings:
No
Publication Time:
2021-11-23 18:34:12
Reporting Period:
2021-11-22
Accepted Time:
2021-11-23 18:34:12
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
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Disposition 2021-11-22 47 $557.08 122,867 No 4 S Direct
Common Stock Disposition 2021-11-22 59 $557.86 122,808 No 4 S Direct
Common Stock Disposition 2021-11-22 40 $559.07 122,768 No 4 S Direct
Common Stock Disposition 2021-11-22 60 $560.43 122,708 No 4 S Direct
Common Stock Disposition 2021-11-22 41 $561.37 122,667 No 4 S Direct
Common Stock Disposition 2021-11-22 100 $563.00 122,567 No 4 S Direct
Common Stock Disposition 2021-11-22 220 $564.17 122,347 No 4 S Direct
Common Stock Disposition 2021-11-22 320 $565.30 122,027 No 4 S Direct
Common Stock Disposition 2021-11-22 268 $566.29 121,759 No 4 S Direct
Common Stock Disposition 2021-11-22 122 $567.71 121,637 No 4 S Direct
Common Stock Disposition 2021-11-22 82 $568.92 121,555 No 4 S Direct
Common Stock Disposition 2021-11-22 20 $569.58 121,535 No 4 S Direct
Common Stock Disposition 2021-11-22 40 $571.03 121,495 No 4 S Direct
Common Stock Disposition 2021-11-22 96 $572.42 121,399 No 4 S Direct
Common Stock Disposition 2021-11-22 25 $573.35 121,374 No 4 S Direct
Common Stock Disposition 2021-11-22 52 $574.84 121,322 No 4 S Direct
Common Stock Disposition 2021-11-22 60 $575.96 121,262 No 4 S Direct
Common Stock Disposition 2021-11-22 140 $577.24 121,122 No 4 S Direct
Common Stock Disposition 2021-11-22 60 $578.12 121,062 No 4 S Direct
Common Stock Disposition 2021-11-22 45 $579.26 121,017 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
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
  1. In accordance with the reporting person's 10b5-1 trading 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 $556.52 to $557.51. 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 $557.74 to $557.96. 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 $558.74 to $559.40. 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.
  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 $560.03 to $560.70. 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 $561.04 to $561.71. 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.
  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 $562.54 to $563.44. 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.
  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 $563.68 to $564.54. 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.
  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 $564.82 to $565.75. 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 $565.82 to $566.78. 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 $567.27 to $568.26. 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 $568.48 to $569.23. 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 $570.65 to $571.41. 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 $572.04 to $572.99. 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 $573.24 to $574.00. 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 $574.50 to $575.00. 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.
  17. 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 $575.58 to $576.34. 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.
  18. 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 $576.65 to $577.60. 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.
  19. 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 $577.65 to $578.44. 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.
  20. 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 $578.77 to $579.76. 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.