Filing Details

Accession Number:
0001280452-19-000084
Form Type:
4
Zero Holdings:
No
Publication Time:
2019-07-03 17:54:58
Reporting Period:
2019-04-23
Accepted Time:
2019-07-03 17:54:58
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 4040 Lake Washington Blvd. Ne, Suite 201
Kirkland WA 98033
Ceo Yes 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 Acquisiton 2019-04-23 21,600 $0.00 1,138,992 No 4 M Direct
Common Stock Disposition 2019-07-01 10,960 $139.56 1,091,815 No 4 S Direct
Common Stock Disposition 2019-07-03 16,540 $134.96 1,075,275 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Restricted Stock Units Disposition 2019-04-23 21,600 $0.00 21,600 $0.00
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
86,400 No 4 M Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 133,040 Indirect by M Hsing 04 Trust
Footnotes
  1. On October 25, 2018, the reporting person was granted a target number of 21,600 performance units and can earn up to a maximum of 108,000 performance units subject to satisfaction of five stock price targets ranging from $140 to $172 over the performance periods from October 25, 2018 to December 31, 2023, as determined by the Compensation Committee of the Company.All performance units are subject to time based vesting and require service through January 1, 2024 or an earlier change in control.Once vested, performance units convert into shares of common stock on a 1-for-1 basis and one-third of the resulting shares have no sales restrictions and are sellable on January 1, 2024, one-third of the shares have sales restrictions until January 1, 2025 and one-third have sales restrictions until January 1, 2026. On April 23, 2019, the first price target had been met and approved by the Compensation Committee, which resulted in 21,600 units being credited, subject to time based vesting above.
  2. The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.
  3. In accordance with the reporting person's 10b5-1 trading plan.
  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 $134.34 to $136.67. 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.