SEC Form 4 · accession 0001280452-15-000028
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 6, 2015
Accepted (ET)
Feb 9, 2015 · 8:26 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 6, 2015 | S | 792 | $47.39 | D | 216,657 | D | |
| Common Stock | Feb 9, 2015 | S | 1,868 | $47.5573 | D | 214,789 | D | |
| Common Stock | Feb 9, 2015 | S | 88 | $47.5565 | D | 214,701 | D | |
| Common Stock | holding | — | — | — | 1,579 | I | by Spouse |
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.