SEC Form 4 · accession 0001280452-18-000042
MONOLITHIC POWER SYSTEMS, INC. · MPWR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Deming Xiao
Officer — Pres. of MPS Asia Operations
Period of report
Feb 12, 2018
Accepted (ET)
Feb 13, 2018 · 5:03 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 Stock | Feb 12, 2018 | S | 29,203 | $108.1942 | D | 340,036 | D | |
| Common Stock | holding | — | — | — | 1,101 | I | by Spouse |
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.