Filing Details
- Accession Number:
- 0001280452-13-000123
- Form Type:
- 4
- Zero Holdings:
- No
- Publication Time:
- 2013-03-04 21:12:24
- Reporting Period:
- 2013-02-28
- Filing Date:
- 2013-03-04
- Accepted Time:
- 2013-03-04 21:12:24
- SEC Url:
- Form 4 Filing
Issuer
| Cik | Name | Symbol | Sector (SIC) | IRS No |
|---|---|---|---|---|
| 1280452 | Monolithic Power Systems Inc | MPWR | Semiconductors & Related Devices (3674) | 770466789 |
Insiders
| Cik | Name | Reported Address | Insider Title | Director | Officer | Large Shareholder | Other |
|---|---|---|---|---|---|---|---|
| 1312593 | Saria Tseng | 79 Great Oaks Blvd San Jose CA 95119 | Vp & General Counsel | No | Yes | No | No |
Reported Non-Derivative Transactions
| Sec. Name | Acquisiton - Disposition | Date | Amount | Price | Remaning Holdings | Equity Swap Involved | Form Type | Code | Nature of Ownership | Explanation |
|---|---|---|---|---|---|---|---|---|---|---|
| Common Stock | Disposition | 2013-02-28 | 36 | $24.72 | 119,723 | No | 4 | S | Direct |
| Equity Swap Involved | Form Type | Code | Nature of Ownership | Explanation |
|---|---|---|---|---|
| No | 4 | S | Direct |
Reported Derivative Transactions
| Sec. Name | Sec. Type | Acquisiton - Disposition | Date | Amount | Price | Amount - 2 | Price - 2 |
|---|---|---|---|---|---|---|---|
| Common Stock | Non-Qualified Stock Option (right to buy) | Acquisiton | 2013-02-28 | 894 | $7.64 | 894 | $7.64 |
| Common Stock | Non-Qualified Stock Option (right to buy) | Acquisiton | 2013-02-28 | 941 | $12.42 | 941 | $12.42 |
| Common Stock | Non-Qualified Stock Option (right to buy) | Acquisiton | 2013-02-28 | 329 | $14.93 | 329 | $14.93 |
| Common Stock | Non-Qualified Stock Option (right to buy) | Acquisiton | 2013-02-28 | 884 | $15.28 | 884 | $15.28 |
| Remaning Holdings | Exercise Date | Expiration Date | Equity Swap Involved | Transaction Form Type | Transaction Code | Nature of Ownership |
|---|---|---|---|---|---|---|
| 894 | 2012-12-28 | 2014-11-17 | No | 4 | A | Direct |
| 941 | 2012-12-28 | 2015-10-22 | No | 4 | A | Direct |
| 329 | 2012-12-28 | 2015-01-31 | No | 4 | A | Direct |
| 884 | 2012-12-28 | 2014-07-27 | No | 4 | A | Direct |
Reported Non-Derivative Holdings
| Sec. Name | Remaning Holdings | Nature of Ownership | Explanation |
|---|---|---|---|
| Common Stock | 3,000 | Indirect | S.Tseng Charity Fund |
Footnotes
- Equitable stock dividend adjustment approved by the Board of Director as a result of dividend Payment to shareholders on December 28, 2012. Stock will vest according to the same vesting schedule as the original grants.
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