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 |
|---|---|---|---|---|---|---|
| 2023-08-08 | Hsing Michael CEO | Sale | −2,836 | $530.26 | $1.5M | 1,013,951 |
| 2023-08-08 | Tseng Saria VP & General Counsel | Sale | −874 | $530.27 | $463K | 257,623 |
| 2023-08-08 | Xiao Deming Pres. of MPS Asia Operations | Sale | −874 | $530.26 | $463K | 256,770 |
| 2023-08-04 | BLEGEN THEODORE CFO | Sale | −852 | $526.52 | $449K | 123,069 |
| 2023-08-04 | Hsing Michael CEO | Sale | −3,815 | $526.54 | $2.0M | 1,016,787 |
| 2023-08-04 | Tseng Saria VP & General Counsel | Sale | −988 | $526.52 | $520K | 258,497 |
| 2023-08-04 | Xiao Deming Pres. of MPS Asia Operations | Sale | −988 | $526.53 | $520K | 257,644 |
| 2023-08-04 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −988 | $526.52 | $520K | 189,213 |
| 2023-07-21 | Hsing Michael CEO | Sale | −28,845 | $534.23 | $15.4M | 1,020,602 |
| 2023-07-21 | BLEGEN THEODORE CFO | Sale | −7,575 | $534.23 | $4.0M | 123,921 |
| 2023-07-21 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −9,843 | $534.23 | $5.3M | 190,201 |
| 2023-07-21 | Tseng Saria VP & General Counsel | Sale | −9,615 | $534.23 | $5.1M | 259,485 |
| 2023-07-21 | Xiao Deming Pres. of MPS Asia Operations | Sale | −9,615 | $534.23 | $5.1M | 258,632 |
| 2023-07-03 | Xiao Deming Pres. of MPS Asia Operations | Sale | −4,305 | $537.79 | $2.3M | 268,247 |
| 2023-07-03 | Tseng Saria VP & General Counsel | Sale | −4,305 | $537.79 | $2.3M | 269,100 |
| 2023-07-03 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −4,305 | $537.79 | $2.3M | 200,044 |
| 2023-07-03 | Hsing Michael CEO | Sale | −10,960 | $537.79 | $5.9M | 1,049,447 |
| 2023-07-03 | BLEGEN THEODORE CFO | Sale | −905 | $537.79 | $487K | 131,496 |
| 2023-05-09 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −857 | $409.78 | $351K | 204,349 |
| 2023-05-09 | Xiao Deming Pres. of MPS Asia Operations | Sale | −857 | $409.79 | $351K | 272,552 |
Page 46 of 59 · 1,177 trades