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 |
|---|---|---|---|---|---|---|
| 2023-04-03 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −4,360 | $487.99 | $2.1M | 200,974 |
| 2023-04-03 | BLEGEN THEODORE CFO | Sale | −920 | $487.99 | $449K | 131,122 |
| 2023-04-03 | Hsing Michael CEO | Sale | −11,100 | $487.99 | $5.4M | 1,050,049 |
| 2023-02-16 | BLEGEN THEODORE CFO | Sale | −3,099 | $520.94 | $1.6M | 133,896 |
| 2023-02-16 | BLEGEN THEODORE CFO | Sale | −1,901 | $521.44 | $991K | 132,042 |
| 2023-02-15 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −2,682 | $517.68 | $1.4M | 215,630 |
| 2023-02-15 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −3,200 | $519.02 | $1.7M | 212,430 |
| 2023-02-15 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −4,340 | $520.20 | $2.3M | 208,090 |
| 2023-02-15 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −2,778 | $520.90 | $1.4M | 205,334 |
| 2023-02-15 | Xiao Deming Pres. of MPS Asia Operations | Sale | −1,497 | $530.00 | $793K | 273,537 |
| 2023-02-13 | BLEGEN THEODORE CFO | Sale | −1,373 | $492.31 | $676K | 136,995 |
| 2023-02-13 | Hsing Michael CEO | Sale | −6,333 | $492.31 | $3.1M | 1,061,116 |
| 2023-02-13 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −1,639 | $492.31 | $807K | 218,312 |
| 2023-02-13 | Xiao Deming Pres. of MPS Asia Operations | Sale | −1,639 | $492.31 | $807K | 275,004 |
| 2023-02-13 | Tseng Saria VP & General Counsel | Sale | −1,639 | $492.31 | $807K | 274,360 |
| 2023-02-09 | Xiao Deming Pres. of MPS Asia Operations | Sale | −2,129 | $520.00 | $1.1M | 276,643 |
| 2023-02-08 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −6,922 | $462.41 | $3.2M | 219,951 |
| 2023-02-08 | Hsing Michael CEO | Sale | −22,483 | $462.41 | $10.4M | 1,067,449 |
| 2023-02-08 | BLEGEN THEODORE CFO | Sale | −5,684 | $462.41 | $2.6M | 138,368 |
| 2023-02-08 | Tseng Saria VP & General Counsel | Sale | −6,922 | $462.41 | $3.2M | 275,999 |
Page 48 of 59 · 1,177 trades