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 |
|---|---|---|---|---|---|---|
| 2022-02-14 | Hsing Michael CEO | Sale | −6,421 | $429.60 | $2.8M | 1,059,927 |
| 2022-02-14 | Xiao Deming Pres. of MPS Asia Operations | Sale | −1,663 | $429.60 | $714K | 299,475 |
| 2022-02-14 | Tseng Saria VP & General Counsel | Sale | −1,663 | $429.60 | $714K | 275,546 |
| 2022-02-14 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −1,663 | $429.60 | $714K | 273,597 |
| 2022-02-08 | Martinez Carintia Director | Grant or award | +542 | 1,125 | ||
| 2022-02-08 | Zhou Jeff Director | Grant or award | +542 | 6,051 | ||
| 2022-02-08 | Moyer James C Director | Grant or award | +542 | 234,383 | ||
| 2022-02-08 | Elmiger Eugen J Director | Grant or award | +542 | 20,060 | ||
| 2022-02-08 | Lee Victor K Director | Grant or award | +542 | 29,414 | ||
| 2022-02-08 | CHANG KUO WEI HERBERT Director | Grant or award | +542 | 2,356 | ||
| 2022-02-08 | Tseng Saria VP & General Counsel | Sale | −1,700 | $401.12 | $682K | 277,209 |
| 2022-02-08 | Xiao Deming Pres. of MPS Asia Operations | Sale | −1,700 | $401.12 | $682K | 301,138 |
| 2022-02-08 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −1,700 | $401.12 | $682K | 275,260 |
| 2022-02-08 | Hsing Michael CEO | Sale | −7,663 | $401.12 | $3.1M | 1,066,348 |
| 2022-02-08 | BLEGEN THEODORE CFO | Sale | −1,117 | $401.12 | $448K | 136,039 |
| 2022-02-07 | Tseng Saria VP & General Counsel | Sale | −7,393 | $399.28 | $3.0M | 278,909 |
| 2022-02-07 | Xiao Deming Pres. of MPS Asia Operations | Sale | −7,393 | $399.28 | $3.0M | 302,838 |
| 2022-02-07 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −8,144 | $399.28 | $3.3M | 276,960 |
| 2022-02-07 | Hsing Michael CEO | Sale | −29,638 | $399.28 | $11.8M | 1,074,011 |
| 2022-02-07 | BLEGEN THEODORE CFO | Sale | −6,336 | $399.28 | $2.5M | 137,156 |
Page 56 of 59 · 1,177 trades