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 |
|---|---|---|---|---|---|---|
| 2023-11-14 | CHANG KUO WEI HERBERT Director | Sale | −400 | $523.64 | $209K | 1,293 |
| 2023-11-13 | CHANG KUO WEI HERBERT Director | Sale | −100 | $510.00 | $51K | 1,693 |
| 2023-11-08 | BLEGEN THEODORE CFO | Sale | −712 | $490.39 | $349K | 119,881 |
| 2023-11-08 | Hsing Michael CEO | Sale | −2,790 | $490.39 | $1.4M | 996,426 |
| 2023-11-08 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −859 | $490.39 | $421K | 182,218 |
| 2023-11-08 | Tseng Saria VP & General Counsel | Sale | −859 | $490.39 | $421K | 251,494 |
| 2023-11-08 | Xiao Deming Pres. of MPS Asia Operations | Sale | −859 | $490.39 | $421K | 250,641 |
| 2023-11-06 | Xiao Deming Pres. of MPS Asia Operations | Sale | −982 | $492.92 | $484K | 251,500 |
| 2023-11-06 | Tseng Saria VP & General Counsel | Sale | −982 | $492.92 | $484K | 252,353 |
| 2023-11-06 | BLEGEN THEODORE CFO | Sale | −847 | $492.92 | $418K | 120,593 |
| 2023-11-06 | Hsing Michael CEO | Sale | −3,790 | $492.92 | $1.9M | 999,216 |
| 2023-11-06 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −982 | $492.92 | $484K | 183,077 |
| 2023-10-02 | Hsing Michael CEO | Sale | −10,960 | $458.30 | $5.0M | 1,003,006 |
| 2023-10-02 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −4,305 | $458.30 | $2.0M | 184,059 |
| 2023-10-02 | Tseng Saria VP & General Counsel | Sale | −4,305 | $458.30 | $2.0M | 253,335 |
| 2023-10-02 | Xiao Deming Pres. of MPS Asia Operations | Sale | −4,305 | $458.30 | $2.0M | 252,482 |
| 2023-10-02 | BLEGEN THEODORE CFO | Sale | −905 | $458.30 | $415K | 121,440 |
| 2023-08-29 | CHANG KUO WEI HERBERT Director | Sale | −500 | $500.00 | $250K | 1,793 |
| 2023-08-08 | BLEGEN THEODORE CFO | Sale | −724 | $530.28 | $384K | 122,345 |
| 2023-08-08 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −874 | $530.26 | $463K | 188,339 |
Page 45 of 59 · 1,177 trades