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 |
|---|---|---|---|---|---|---|
| 2025-02-07 | Sciammas Maurice EVP, WW Sales & Marketing | Sale 10b5-1 | −200 | $704.92 | $141K | 16,015 |
| 2025-02-04 | Lee Victor K Director | Grant or award | +335 | 29,567 | ||
| 2025-02-04 | Elmiger Eugen J Director | Grant or award | +335 | 21,213 | ||
| 2025-02-04 | CHANG KUO WEI HERBERT Director | Grant or award | +335 | 876 | ||
| 2025-02-04 | Martinez Carintia Director | Grant or award | +335 | 2,278 | ||
| 2025-02-04 | Zhou Jeff Director | Grant or award | +335 | 6,404 | ||
| 2025-02-04 | Wynne Eileen Director | Grant or award | +335 | 1,153 | ||
| 2025-01-24 | Hsing Michael CEO | Sale 10b5-1 | −3,636 | $700.00 | $2.5M | 854,629 |
| 2024-12-09 | BLEGEN THEODORE EVP and CFO | Sale 10b5-1 | −2,500 | $600.00 | $1.5M | 53,444 |
| 2024-11-08 | Xiao Deming EVP, Global Operations | Sale | −866 | $765.14 | $663K | 162,239 |
| 2024-11-08 | Tseng Saria EVP & General Counsel | Sale | −866 | $765.14 | $663K | 159,640 |
| 2024-11-08 | Sciammas Maurice EVP, WW Sales & Marketing | Sale | −866 | $765.14 | $663K | 102,963 |
| 2024-11-08 | BLEGEN THEODORE EVP and CFO | Sale | −734 | $765.15 | $562K | 55,944 |
| 2024-11-08 | Hsing Michael CEO | Sale | −2,812 | $765.15 | $2.2M | 858,265 |
| 2024-11-01 | BLEGEN THEODORE EVP and CFO | Sale 10b5-1 | −150 | $764.54 | $115K | 59,028 |
| 2024-11-01 | BLEGEN THEODORE EVP and CFO | Sale 10b5-1 | −50 | $765.13 | $38K | 58,978 |
| 2024-11-01 | BLEGEN THEODORE EVP and CFO | Sale 10b5-1 | −208 | $766.22 | $159K | 58,770 |
| 2024-11-01 | BLEGEN THEODORE EVP and CFO | Sale 10b5-1 | −183 | $767.82 | $141K | 58,587 |
| 2024-11-01 | BLEGEN THEODORE EVP and CFO | Sale 10b5-1 | −175 | $768.08 | $134K | 58,412 |
| 2024-11-01 | BLEGEN THEODORE EVP and CFO | Sale 10b5-1 | −50 | $770.46 | $39K | 58,362 |
Page 23 of 59 · 1,177 trades