SEC Form 4 · accession 0001280452-15-000073
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
Apr 21, 2015
Accepted (ET)
Apr 23, 2015 · 6:20 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 | Apr 21, 2015 | S | 15,876 | $54.00 | D | 275,003 | D | |
| Common Stock | Apr 21, 2015 | S | 11,182 | $54.00 | D | 263,821 | D | |
| Common Stock | Apr 23, 2015 | S | 12 | $54.43 | D | 1,780 | I | by Spouse |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1In accordance with the reporting person's 10b5-1 trading plan.
- F2Shares sold to pay tax obligations resulting from the vesting of restricted stock units.