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 |
|---|---|---|---|---|---|---|
| 2024-04-01 | BLEGEN THEODORE EVP & CFO | Sale 10b5-1 | −100 | $687.44 | $69K | 78,223 |
| 2024-03-01 | Hsing Michael CEO | Sale 10b5-1 | −100 | $716.82 | $72K | 915,093 |
| 2024-03-01 | Hsing Michael CEO | Sale 10b5-1 | −100 | $717.31 | $72K | 914,993 |
| 2024-03-01 | Hsing Michael CEO | Sale 10b5-1 | −200 | $718.52 | $144K | 914,793 |
| 2024-03-01 | Hsing Michael CEO | Sale 10b5-1 | −825 | $719.47 | $594K | 913,968 |
| 2024-03-01 | Hsing Michael CEO | Sale 10b5-1 | −312 | $720.27 | $225K | 913,656 |
| 2024-03-01 | Hsing Michael CEO | Sale 10b5-1 | −441 | $721.60 | $318K | 913,215 |
| 2024-03-01 | Hsing Michael CEO | Sale 10b5-1 | −200 | $724.41 | $145K | 913,015 |
| 2024-03-01 | Hsing Michael CEO | Sale 10b5-1 | −300 | $725.53 | $218K | 912,715 |
| 2024-03-01 | Hsing Michael CEO | Sale 10b5-1 | −791 | $726.72 | $575K | 911,924 |
| 2024-03-01 | Hsing Michael CEO | Sale 10b5-1 | −1,275 | $727.39 | $927K | 910,649 |
| 2024-03-01 | Hsing Michael CEO | Sale 10b5-1 | −2,064 | $728.54 | $1.5M | 908,585 |
| 2024-03-01 | Hsing Michael CEO | Sale 10b5-1 | −972 | $729.21 | $709K | 907,613 |
| 2024-03-01 | Hsing Michael CEO | Sale 10b5-1 | −120 | $731.82 | $88K | 907,493 |
| 2024-03-01 | Hsing Michael CEO | Sale 10b5-1 | −100 | $732.01 | $73K | 907,393 |
| 2024-03-01 | Hsing Michael CEO | Sale 10b5-1 | −200 | $733.37 | $147K | 907,232 |
| 2024-03-01 | BLEGEN THEODORE CFO | Sale 10b5-1 | −200 | $718.35 | $144K | 82,973 |
| 2024-03-01 | BLEGEN THEODORE CFO | Sale 10b5-1 | −200 | $719.48 | $144K | 82,773 |
| 2024-03-01 | BLEGEN THEODORE CFO | Sale 10b5-1 | −80 | $720.75 | $58K | 82,693 |
| 2024-03-01 | BLEGEN THEODORE CFO | Sale 10b5-1 | −180 | $721.27 | $130K | 82,513 |
Page 38 of 59 · 1,177 trades