SEC Form 4 · accession 0001280452-17-000031
MONOLITHIC POWER SYSTEMS, INC. · MPWR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Michael Hsing
Officer — CEO · Director
Period of report
Feb 10, 2017
Accepted (ET)
Feb 13, 2017 · 6:38 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001280452
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Feb 10, 2017 | S | 59,943 | $89.294 | D | 1,317,346 | D | |
| Common StockF3 | Feb 13, 2017 | S | 95,667 | $86.1744 | D | 1,221,679 | D | |
| Common Stock | holding | — | — | — | 133,040 | I | by M Hsing 04 Trust |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.
- F2In accordance with the reporting person's 10b5-1 trading plan.
- F3The 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 $85.00 to $89.01. 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.