SEC Form 4 · accession 0001280452-19-000036
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
Feb 15, 2019
Accepted (ET)
Feb 27, 2019 · 6:20 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 15, 2019 | J | 123 | $117.708 | A | 367,835 | D | |
| Common StockF3 | Feb 25, 2019 | S | 13,817 | $138.7432 | D | 354,018 | D | |
| Common Stock | Feb 25, 2019 | S | 162 | $138.6332 | D | 353,856 | D | |
| Common Stock | holding | — | — | — | 1,101 | I | by Spouse |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Acquired through the Company's qualified ESPP program.
- F2Transaction was executed during an authorized trading window in compliance with the Company's Insider Trading Compliance Program.
- 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 $138.35 to $139.06. 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.