SEC Form 4 · accession 0001280452-18-000110
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
Aug 15, 2018
Accepted (ET)
Aug 27, 2018 · 5:01 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 | Aug 15, 2018 | J | 73 | $98.7445 | A | 314,002 | D | |
| Common StockF3 | Aug 23, 2018 | S | 5,353 | $145.8273 | D | 308,649 | D | |
| Common Stock | Aug 23, 2018 | S | 144 | $145.6484 | D | 308,505 | 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 $145.80 to $145.96. 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.