SEC Form 4/A · accession 0001209191-15-028137
MONOLITHIC POWER SYSTEMS, INC. · MPWR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
This is an amendment (Form 4/A). It replaces an earlier filing for the same period.
Reporting owner
Saria Tseng
Officer — VP & General Counsel
Period of report
Feb 6, 2015
Accepted (ET)
Mar 20, 2015 · 1:23 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 6, 2015 | S | 699 | $47.39 | D | 190,713 | D | |
| Common Stock | Feb 9, 2015 | S | 1,466 | $47.5573 | D | 189,247 | D | |
| Common Stock | Feb 9, 2015 | S | 69 | $47.56 | D | 189,178 | D |
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 restrice stock units.