SEC Form 4 · accession 0001280452-18-000046
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 14, 2018
Accepted (ET)
Feb 16, 2018 · 7:03 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 StockF2 | Feb 14, 2018 | S | 20,429 | $111.1501 | D | 1,297,572 | D | |
| Common Stock | Feb 15, 2018 | J | 246 | $86.513 | A | 1,297,818 | 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
- F1In accordance with the reporting person's 10b5-1 trading plan.
- F2The 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 $108.71 to $111.705. 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.
- F3Acquired through the Company's qualified ESPP program.