Filing Details
- Accession Number:
- 0001280452-13-000105
- Form Type:
- 4
- Zero Holdings:
- No
- Publication Time:
- 2013-03-01 19:52:33
- Reporting Period:
- 2013-02-27
- Filing Date:
- 2013-03-01
- Accepted Time:
- 2013-03-01 19:52:33
- 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 |
|---|---|---|---|---|---|---|---|
| 1192171 | Herbert Wei Kuo Chang | 79 Great Oaks Blvd San Jose CA 95119 | Yes | No | 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 | Acquisiton | 2013-02-27 | 2,000 | $19.29 | 93,262 | No | 4 | M | Direct | |
| Common Stock | Disposition | 2013-02-27 | 2,000 | $24.90 | 91,262 | No | 4 | S | Direct | |
| Common Stock | Acquisiton | 2013-02-27 | 500 | $22.01 | 91,762 | No | 4 | M | Direct | |
| Common Stock | Disposition | 2013-02-27 | 500 | $24.90 | 91,262 | No | 4 | S | Direct | |
| Common Stock | Acquisiton | 2013-02-27 | 5,000 | $22.01 | 96,262 | No | 4 | M | Direct | |
| Common Stock | Disposition | 2013-02-27 | 5,000 | $24.80 | 91,262 | No | 4 | S | Direct | |
| Common Stock | Acquisiton | 2013-02-28 | 2,799 | $22.01 | 94,061 | No | 4 | M | Direct | |
| Common Stock | Disposition | 2013-02-28 | 2,799 | $24.80 | 91,262 | No | 4 | S | Direct |
| Equity Swap Involved | Form Type | Code | Nature of Ownership | Explanation |
|---|---|---|---|---|
| No | 4 | M | Direct | |
| No | 4 | S | Direct | |
| No | 4 | M | Direct | |
| No | 4 | S | Direct | |
| No | 4 | M | Direct | |
| No | 4 | S | Direct | |
| No | 4 | M | Direct | |
| 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) | Disposition | 2013-02-27 | 2,000 | $0.00 | 2,000 | $19.29 |
| Common Stock | Non-Qualified Stock Option (right to buy) | Acquisiton | 2013-02-28 | 94 | $19.29 | 94 | $19.29 |
| Common Stock | Non-Qualified Stock Option (right to buy) | Disposition | 2013-02-27 | 500 | $0.00 | 500 | $22.01 |
| Common Stock | Non-Qualified Stock Option (right to buy) | Disposition | 2013-02-27 | 5,000 | $0.00 | 5,000 | $22.01 |
| Common Stock | Non-Qualified Stock Option (right to buy) | Disposition | 2013-02-28 | 2,799 | $0.00 | 2,799 | $22.01 |
| Common Stock | Non-Qualified Stock Option (right to buy) | Acquisiton | 2013-02-28 | 705 | $22.01 | 705 | $22.01 |
| Remaning Holdings | Exercise Date | Expiration Date | Equity Swap Involved | Transaction Form Type | Transaction Code | Nature of Ownership |
|---|---|---|---|---|---|---|
| 0 | 2011-02-09 | 2017-02-09 | No | 4 | M | Direct |
| 94 | 2013-02-28 | 2017-02-09 | No | 4 | A | Direct |
| 14,500 | 2009-05-22 | 2015-05-22 | No | 4 | M | Direct |
| 9,500 | 2009-05-22 | 2015-05-22 | No | 4 | M | Direct |
| 6,701 | 2009-05-22 | 2015-05-22 | No | 4 | M | Direct |
| 7,406 | 2013-02-28 | 2015-05-22 | No | 4 | A | Direct |
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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