SEC Form 4 · accession 0001209191-15-033239
MONOLITHIC POWER SYSTEMS, INC. · MPWR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Michael Hsing
Officer — CEO · Director
Period of report
Apr 6, 2015
Accepted (ET)
Apr 8, 2015 · 6:57 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 | Apr 6, 2015 | M | 54,515 | $15.03 | A | 1,157,147 | D | |
| Common StockF2 | Apr 6, 2015 | S | 36,443 | $52.00 | D | 1,120,704 | D | |
| Common Stock | Apr 7, 2015 | M | 48,332 | $15.03 | A | 1,169,036 | D | |
| Common StockF3 | Apr 7, 2015 | S | 32,310 | $52.0704 | D | 1,136,726 | D | |
| Common Stock | Apr 8, 2015 | M | 5,462 | $15.03 | A | 1,142,188 | D | |
| Common StockF4 | Apr 8, 2015 | S | 3,651 | $52.009 | D | 1,138,537 | D | |
| Common Stock | holding | — | — | — | 29,000 | I | Hsing Fam Foundation | |
| Common Stock | holding | — | — | — | 133,040 | I | by M Hsing 04 Trust |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Non-Qualified Stock Option (right to buy)F5 | $15.03 | Apr 6, 2015 | M | 54,515 | D | Oct 28, 2010 | Oct 28, 2015 | Common Stock | 54,515 | 64,301 | D |
| Non-Qualified Stock Option (right to buy)F5 | $15.03 | Apr 7, 2015 | M | 48,332 | D | Oct 28, 2010 | Oct 28, 2015 | Common Stock | 48,332 | 15,969 | D |
| Non-Qualified Stock Option (right to buy)F5 | $15.03 | Apr 8, 2015 | M | 5,462 | D | Oct 28, 2010 | Oct 28, 2015 | Common Stock | 5,462 | 10,507 | D |
Explanation of responses
- F1In accordance with the reporting person's 10b5-1 trading plan.
- F2The 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 $52.00 to $52.01. 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.
- 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 $52.00 to $52.255. 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.
- F4The 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 $52.00 to $52.10. 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.
- F5Original option grant was for 300,000 shares. Fifty percent (50%) of the Shares subject to the Option shall vest twenty-four (24) months after the Vesting Commencement Date, and 1/48 of the Shares subject to the Option shall vest monthly thereafter on the same day of the month as the Vesting Commencement Date, subject to the Optionee continuing to be a Service Provider on such dates. All outstanding options have fully vested.