Filing Details

Accession Number:
0001280452-21-000010
Form Type:
4
Zero Holdings:
No
Publication Time:
2021-01-19 18:36:27
Reporting Period:
2021-01-14
Accepted Time:
2021-01-19 18:36:27
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
1312593 Saria Tseng 5808 Lake Washington Blvd Ne
Kirkland WA 98033
Vp & General Counsel No Yes 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 2021-01-14 610 $385.69 239,762 No 4 S Direct
Common Stock Disposition 2021-01-14 1,979 $386.71 237,783 No 4 S Direct
Common Stock Disposition 2021-01-14 2,257 $387.90 235,526 No 4 S Direct
Common Stock Disposition 2021-01-14 6,766 $388.98 228,760 No 4 S Direct
Common Stock Disposition 2021-01-14 5,088 $389.90 223,672 No 4 S Direct
Common Stock Disposition 2021-01-14 2,697 $391.03 220,975 No 4 S Direct
Common Stock Disposition 2021-01-14 2,032 $392.02 218,943 No 4 S Direct
Common Stock Disposition 2021-01-14 301 $392.63 218,642 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
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 $385.19 to $386.17. 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.
  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 $386.30 to $387.30. 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 $387.40 to $388.38 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.
  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 $388.42 to $389.41. 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.
  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 $389.43 to $390.43. 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 $390.44 to $391.43. 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 $391.47 to $392.45. 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 $392.54 to $392.80. 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.