SEC Form 4 · accession 0001437749-15-009161
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
May 4, 2015
Accepted (ET)
May 6, 2015 · 8:06 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 | May 4, 2015 | S | 353 | $52.70 | D | 247,225 | D | |
| Common Stock | May 5, 2015 | S | 718 | $52.54 | D | 246,507 | D | |
| Common Stock | May 6, 2015 | S | 1,056 | $51.3586 | D | 245,451 | D | |
| Common Stock | May 6, 2015 | S | 1,924 | $51.3586 | D | 243,527 | 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.