CIK 0001280452 · Large accelerated filer
MONOLITHIC POWER SYSTEMS, INC.
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- MPWR
- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 770466789
- Phone
- 561-839-3999
- Business address
- 1555 PALM BEACH LAKES BLVD., WEST PALM BEACH, FL, 33401
- Former names
- MONOLITHIC POWER SYSTEMS INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $40,463,134
- in 4 filings, $40.3M under 10b5-1 plans
Net −$40,463,134. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2023-05-09 | BLEGEN THEODORE CFO | Sale | −711 | $409.78 | $291K | 132,401 |
| 2023-05-09 | Hsing Michael CEO | Sale | −2,785 | $409.78 | $1.1M | 1,060,407 |
| 2023-05-09 | Tseng Saria VP & General Counsel | Sale | −857 | $409.81 | $351K | 273,405 |
| 2023-05-04 | BLEGEN THEODORE CFO | Sale | −854 | $459.60 | $392K | 133,112 |
| 2023-05-04 | Hsing Michael CEO | Sale | −3,825 | $459.60 | $1.8M | 1,063,192 |
| 2023-05-04 | Tseng Saria VP & General Counsel | Sale | −991 | $459.60 | $455K | 274,262 |
| 2023-05-04 | Xiao Deming Pres. of MPS Asia Operations | Sale | −991 | $459.60 | $455K | 273,409 |
| 2023-05-04 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −991 | $459.60 | $455K | 205,206 |
| 2023-05-03 | Tseng Saria VP & General Counsel | Sale | −3,462 | $463.55 | $1.6M | 275,253 |
| 2023-05-03 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −3,462 | $463.55 | $1.6M | 206,197 |
| 2023-05-03 | BLEGEN THEODORE CFO | Sale | −2,870 | $463.55 | $1.3M | 133,966 |
| 2023-05-03 | Xiao Deming Pres. of MPS Asia Operations | Sale | −3,462 | $463.55 | $1.6M | 274,400 |
| 2023-05-03 | Hsing Michael CEO | Sale | −11,242 | $463.55 | $5.2M | 1,067,017 |
| 2023-05-02 | Tseng Saria VP & General Counsel | Grant or award | +8,685 | 278,715 | ||
| 2023-05-02 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Grant or award | +8,685 | 209,659 | ||
| 2023-05-02 | BLEGEN THEODORE CFO | Grant or award | +5,714 | 136,836 | ||
| 2023-05-02 | Xiao Deming Pres. of MPS Asia Operations | Grant or award | +8,685 | 277,862 | ||
| 2023-05-02 | Hsing Michael CEO | Grant or award | +28,210 | 1,078,259 | ||
| 2023-04-03 | Tseng Saria VP & General Counsel | Sale | −4,360 | $487.99 | $2.1M | 270,030 |
| 2023-04-03 | Xiao Deming Pres. of MPS Asia Operations | Sale | −4,360 | $487.99 | $2.1M | 269,177 |
Page 47 of 59 · 1,177 trades