SEC Form 4 · accession 0001209191-15-016914
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 19, 2015
Accepted (ET)
Feb 20, 2015 · 6:42 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 16, 2015 | J | 441 | $37.451 | A | 188,975 | D | |
| Common StockF3 | Feb 19, 2015 | S | 28,341 | $50.6648 | D | 160,634 | D | |
| Common Stock | Feb 19, 2015 | S | 100 | $51.22 | D | 160,534 | 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
- F1Acquired through the Company's qualified ESPP program.
- 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 $50.20 to $51.20. 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.