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 |
|---|---|---|---|---|---|---|
| 2024-07-01 | Tseng Saria EVP & General Counsel | Sale 10b5-1 | −15,822 | $807.81 | $12.8M | 181,322 |
| 2024-07-01 | Tseng Saria EVP & General Counsel | Sale 10b5-1 | −2,815 | $808.61 | $2.3M | 178,507 |
| 2024-07-01 | Tseng Saria EVP & General Counsel | Sale 10b5-1 | −4,703 | $809.45 | $3.8M | 173,804 |
| 2024-07-01 | Tseng Saria EVP & General Counsel | Sale 10b5-1 | −1,198 | $810.34 | $971K | 172,606 |
| 2024-07-01 | Tseng Saria EVP & General Counsel | Sale 10b5-1 | −1,422 | $811.82 | $1.2M | 171,184 |
| 2024-07-01 | Tseng Saria EVP & General Counsel | Sale 10b5-1 | −2,100 | $812.65 | $1.7M | 169,084 |
| 2024-07-01 | Tseng Saria EVP & General Counsel | Sale 10b5-1 | −2,656 | $816.34 | $2.2M | 166,428 |
| 2024-06-28 | Lee Victor K Director | Sale 10b5-1 | −1,000 | $820.46 | $820K | 29,232 |
| 2024-06-10 | BLEGEN THEODORE EVP and CFO | Sale 10b5-1 | −84 | $741.66 | $62K | 72,656 |
| 2024-06-03 | Hsing Michael CEO | Sale 10b5-1 | −62 | $714.56 | $44K | 888,346 |
| 2024-06-03 | Hsing Michael CEO | Sale 10b5-1 | −190 | $715.50 | $136K | 888,156 |
| 2024-06-03 | Hsing Michael CEO | Sale 10b5-1 | −70 | $716.84 | $50K | 888,086 |
| 2024-06-03 | Hsing Michael CEO | Sale 10b5-1 | −228 | $717.36 | $164K | 887,858 |
| 2024-06-03 | Hsing Michael CEO | Sale 10b5-1 | −100 | $719.04 | $72K | 887,758 |
| 2024-06-03 | Hsing Michael CEO | Sale 10b5-1 | −166 | $720.15 | $120K | 887,592 |
| 2024-06-03 | Hsing Michael CEO | Sale 10b5-1 | −211 | $721.60 | $152K | 887,381 |
| 2024-06-03 | Hsing Michael CEO | Sale 10b5-1 | −338 | $722.43 | $244K | 887,043 |
| 2024-06-03 | Hsing Michael CEO | Sale 10b5-1 | −549 | $723.48 | $397K | 886,494 |
| 2024-06-03 | Hsing Michael CEO | Sale 10b5-1 | −581 | $725.59 | $422K | 885,913 |
| 2024-06-03 | Hsing Michael CEO | Sale 10b5-1 | −100 | $728.85 | $73K | 885,813 |
Page 31 of 59 · 1,177 trades