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 |
|---|---|---|---|---|---|---|
| 2022-01-20 | BLEGEN THEODORE CFO | Sale | −30 | $424.14 | $13K | 116,318 |
| 2022-01-03 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −4,305 | $490.87 | $2.1M | 245,405 |
| 2022-01-03 | Xiao Deming Pres. of MPS Asia Operations | Sale | −4,305 | $490.87 | $2.1M | 270,532 |
| 2022-01-03 | BLEGEN THEODORE CFO | Sale | −905 | $490.87 | $444K | 118,215 |
| 2022-01-03 | Hsing Michael CEO | Sale | −10,960 | $490.87 | $5.4M | 950,325 |
| 2022-01-03 | Tseng Saria VP & General Counsel | Sale | −4,305 | $490.87 | $2.1M | 246,603 |
| 2021-12-20 | BLEGEN THEODORE CFO | Sale | −1,897 | $474.35 | $900K | 119,120 |
| 2021-11-30 | Xiao Deming Pres. of MPS Asia Operations | Sale | −4,366 | $560.00 | $2.4M | 274,837 |
| 2021-11-22 | BLEGEN THEODORE CFO | Sale | −47 | $557.08 | $26K | 122,867 |
| 2021-11-22 | BLEGEN THEODORE CFO | Sale | −59 | $557.86 | $33K | 122,808 |
| 2021-11-22 | BLEGEN THEODORE CFO | Sale | −40 | $559.07 | $22K | 122,768 |
| 2021-11-22 | BLEGEN THEODORE CFO | Sale | −60 | $560.43 | $34K | 122,708 |
| 2021-11-22 | BLEGEN THEODORE CFO | Sale | −41 | $561.37 | $23K | 122,667 |
| 2021-11-22 | BLEGEN THEODORE CFO | Sale | −100 | $563.00 | $56K | 122,567 |
| 2021-11-22 | BLEGEN THEODORE CFO | Sale | −220 | $564.17 | $124K | 122,347 |
| 2021-11-22 | BLEGEN THEODORE CFO | Sale | −320 | $565.30 | $181K | 122,027 |
| 2021-11-22 | BLEGEN THEODORE CFO | Sale | −268 | $566.29 | $152K | 121,759 |
| 2021-11-22 | BLEGEN THEODORE CFO | Sale | −122 | $567.71 | $69K | 121,637 |
| 2021-11-22 | BLEGEN THEODORE CFO | Sale | −82 | $568.92 | $47K | 121,555 |
| 2021-11-22 | BLEGEN THEODORE CFO | Sale | −20 | $569.58 | $11K | 121,535 |
Page 58 of 59 · 1,177 trades