SEC Form 4 · accession 0001280452-15-000121
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
Aug 4, 2015
Accepted (ET)
Aug 6, 2015 · 6:21 pm EDT
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 | Aug 4, 2015 | S | 1,162 | $50.96 | D | 1,071,631 | D | |
| Common Stock | Aug 5, 2015 | S | 2,679 | $50.38 | D | 1,068,952 | D | |
| Common Stock | Aug 6, 2015 | S | 3,122 | $50.4787 | D | 1,065,830 | D | |
| Common Stock | Aug 6, 2015 | S | 5,696 | $50.4787 | D | 1,060,134 | 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.