Filing Details

Accession Number:
0001214659-24-003951
Form Type:
4
Zero Holdings:
No
Publication Time:
2024-03-04 11:09:33
Reporting Period:
2024-03-01
Accepted Time:
2024-03-04 11:09:33
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
1308676 Michael Hsing 5808 Lake Washington Blvd Ne
Kirkland WA 98033
Ceo 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 2024-03-01 100 $716.82 915,093 No 4 S Direct
Common Stock Disposition 2024-03-01 100 $717.31 914,993 No 4 S Direct
Common Stock Disposition 2024-03-01 200 $718.52 914,793 No 4 S Direct
Common Stock Disposition 2024-03-01 825 $719.47 913,968 No 4 S Direct
Common Stock Disposition 2024-03-01 312 $720.27 913,656 No 4 S Direct
Common Stock Disposition 2024-03-01 441 $721.60 913,215 No 4 S Direct
Common Stock Disposition 2024-03-01 200 $724.41 913,015 No 4 S Direct
Common Stock Disposition 2024-03-01 300 $725.53 912,715 No 4 S Direct
Common Stock Disposition 2024-03-01 791 $726.72 911,924 No 4 S Direct
Common Stock Disposition 2024-03-01 1,275 $727.39 910,649 No 4 S Direct
Common Stock Disposition 2024-03-01 2,064 $728.54 908,585 No 4 S Direct
Common Stock Disposition 2024-03-01 972 $729.21 907,613 No 4 S Direct
Common Stock Disposition 2024-03-01 120 $731.82 907,493 No 4 S Direct
Common Stock Disposition 2024-03-01 100 $732.01 907,393 No 4 S Direct
Common Stock Disposition 2024-03-01 200 $733.37 907,232 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 133,040 Indirect by M Hsing 04 Trust
Common Stock 12,825 Indirect ZH Family 2020 Trust
Footnotes
  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 $718.44 to $718.60. 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.
  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 $719.20 to $719.94. 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.
  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 $720.01 to $720.46. 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.
  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 $721.17 to $721.81. 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.
  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 $724.40 to $724.42. 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 $725.51 to $725.57. 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 $726.32 to $726.95. 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 $727.07 to $727.97. 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.
  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 $728.00 to $728.93. 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 $729.04 to $729.94. 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.
  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 $731.08 to $731.97. 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.
  12. Ending balance includes 39 shares acquired on February 15, 2024 through the Company's qualified ESPP program.