SEC Form 4 · accession 0001280452-17-000063
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 15, 2017
Accepted (ET)
May 8, 2017 · 5:30 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 | Feb 15, 2017 | J | 335 | $63.427 | A | 1,222,014 | D | |
| Common Stock | May 4, 2017 | S | 8,634 | $91.8931 | D | 1,213,380 | D | |
| Common Stock | May 5, 2017 | S | 11,131 | $92.5542 | D | 1,202,249 | 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
- F1Acquired through the Company's qualified ESPP program.
- F2The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.