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 |
|---|---|---|---|---|---|---|
| 2024-01-05 | Hsing Michael CEO | Sale 10b5-1 | −614 | $569.92 | $350K | 937,056 |
| 2024-01-05 | Hsing Michael CEO | Sale 10b5-1 | −2,051 | $570.62 | $1.2M | 935,005 |
| 2024-01-05 | Hsing Michael CEO | Sale 10b5-1 | −1,141 | $571.65 | $652K | 933,864 |
| 2024-01-05 | Hsing Michael CEO | Sale 10b5-1 | −1,522 | $572.43 | $871K | 932,342 |
| 2024-01-05 | Hsing Michael CEO | Sale 10b5-1 | −811 | $573.52 | $465K | 931,531 |
| 2024-01-05 | Hsing Michael CEO | Sale 10b5-1 | −1,067 | $574.49 | $613K | 930,464 |
| 2024-01-05 | Hsing Michael CEO | Sale 10b5-1 | −546 | $575.39 | $314K | 929,918 |
| 2024-01-05 | Hsing Michael CEO | Sale 10b5-1 | −128 | $576.81 | $74K | 929,790 |
| 2024-01-05 | Hsing Michael CEO | Sale 10b5-1 | −18 | $577.01 | $10K | 929,772 |
| 2024-01-04 | Tseng Saria Executive VP & General Counsel | Sale | −25,314 | $583.14 | $14.8M | 207,570 |
| 2024-01-04 | Xiao Deming Pres. of MPS Asia Operations | Sale | −25,314 | $583.14 | $14.8M | 221,936 |
| 2024-01-04 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −27,659 | $583.14 | $16.1M | 154,559 |
| 2024-01-04 | BLEGEN THEODORE CFO | Sale | −27,613 | $583.14 | $16.1M | 87,268 |
| 2024-01-04 | Hsing Michael CEO | Sale | −58,654 | $583.14 | $34.2M | 937,772 |
| 2024-01-02 | BLEGEN THEODORE CFO | Sale 10b5-1 | −100 | $610.93 | $61K | 117,281 |
| 2024-01-02 | BLEGEN THEODORE CFO | Sale 10b5-1 | −100 | $611.37 | $61K | 117,181 |
| 2024-01-02 | BLEGEN THEODORE CFO | Sale 10b5-1 | −100 | $612.84 | $61K | 117,081 |
| 2024-01-02 | BLEGEN THEODORE CFO | Sale 10b5-1 | −534 | $613.48 | $328K | 116,547 |
| 2024-01-02 | BLEGEN THEODORE CFO | Sale 10b5-1 | −111 | $614.34 | $68K | 116,436 |
| 2024-01-02 | BLEGEN THEODORE CFO | Sale 10b5-1 | −532 | $615.29 | $327K | 115,904 |
Page 43 of 59 · 1,177 trades