SEC Form 4 · accession 0001280452-15-000030
MONOLITHIC POWER SYSTEMS, INC. · MPWR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Saria Tseng
Officer — VP & General Counsel
Period of report
Feb 6, 2015
Accepted (ET)
Feb 9, 2015 · 8:27 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 | 699 | $47.39 | D | 190,713 | D | |
| Common StockF3 | Feb 6, 2015 | S | 644 | $48.0263 | D | 190,069 | D | |
| Common Stock | Feb 9, 2015 | S | 1,466 | $47.5573 | D | 188,603 | D | |
| Common Stock | Feb 9, 2015 | S | 69 | $47.56 | D | 188,534 | D | |
| Common Stock | holding | — | — | — | 2,000 | I | S.Tseng Charity Fund |
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.
- F2In accordance with the reporting person's 10b5-1 trading plan.
- F3The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $47.09 to $48.36. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.