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 |
|---|---|---|---|---|---|---|
| 2021-08-02 | Xiao Deming Pres. of MPS Asia Operations | Sale | −1,000 | $456.46 | $456K | 307,802 |
| 2021-08-02 | Xiao Deming Pres. of MPS Asia Operations | Sale | −400 | $457.27 | $183K | 307,402 |
| 2021-07-30 | BLEGEN THEODORE CFO | Gift | −10,662 | 135,192 | ||
| 2021-07-30 | BLEGEN THEODORE CFO | Gift | +5,331 | 5,331 | ||
| 2021-07-30 | BLEGEN THEODORE CFO | Gift | +5,331 | 5,331 | ||
| 2021-07-23 | Zhou Jeff Director | Sale | −500 | $410.00 | $205K | 6,509 |
| 2021-07-21 | Zhou Jeff Director | Sale | −500 | $400.00 | $200K | 7,509 |
| 2021-07-21 | Zhou Jeff Director | Sale | −500 | $405.02 | $203K | 7,009 |
| 2021-07-20 | BLEGEN THEODORE CFO | Sale | −1,897 | $382.77 | $726K | 145,854 |
| 2021-07-16 | Moyer James C Director | Sale | −670 | $379.59 | $254K | 245,171 |
| 2021-07-16 | Moyer James C Director | Sale | −3,551 | $380.82 | $1.4M | 241,620 |
| 2021-07-16 | Moyer James C Director | Sale | −5,848 | $381.53 | $2.2M | 235,772 |
| 2021-07-16 | Moyer James C Director | Sale | −1,425 | $382.57 | $545K | 234,347 |
| 2021-07-16 | Moyer James C Director | Sale | −506 | $383.32 | $194K | 233,841 |
| 2021-07-14 | Zhou Jeff Director | Sale | −500 | $390.32 | $195K | 8,509 |
| 2021-07-14 | Zhou Jeff Director | Sale | −500 | $395.00 | $198K | 8,009 |
| 2021-07-07 | Zhou Jeff Director | Sale | −500 | $387.27 | $194K | 9,009 |
| 2021-07-06 | Zhou Jeff Director | Sale | −500 | $380.00 | $190K | 9,509 |
| 2021-07-06 | Xiao Deming Pres. of MPS Asia Operations | Sale | −7,734 | $380.00 | $2.9M | 309,025 |
| 2021-07-01 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −4,305 | $370.45 | $1.6M | 284,011 |
Page 62 of 72 · 1,433 trades