SEC Form 4 · accession 0001280452-15-000170
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
Nov 6, 2015
Accepted (ET)
Nov 10, 2015 · 3:12 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 | Nov 6, 2015 | S | 8,792 | $63.9121 | D | 1,042,971 | D | |
| Common Stock | Nov 9, 2015 | S | 4,339 | $63.898 | D | 1,038,632 | D | |
| Common Stock | Nov 9, 2015 | S | 205 | $63.8967 | D | 1,038,427 | D | |
| Common StockF3 | Nov 9, 2015 | S | 8,397 | $63.6683 | D | 1,030,030 | D | |
| Common Stock | holding | — | — | — | 29,000 | I | Hsing Fam Foundation | |
| 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
- F1Shares sold to pay tax obligations resulting from the vesting of restricted stock units.
- 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 $63.25 to $64.02. 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.