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 |
|---|---|---|---|---|---|---|
| 2022-04-01 | Hsing Michael CEO | Sale | −11,250 | $467.23 | $5.3M | 1,048,711 |
| 2022-04-01 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −4,420 | $467.23 | $2.1M | 269,232 |
| 2022-04-01 | Xiao Deming Pres. of MPS Asia Operations | Sale | −4,420 | $467.23 | $2.1M | 295,047 |
| 2022-02-22 | BLEGEN THEODORE CFO | Sale | −60 | $445.22 | $27K | 134,647 |
| 2022-02-22 | BLEGEN THEODORE CFO | Sale | −60 | $447.07 | $27K | 134,587 |
| 2022-02-22 | BLEGEN THEODORE CFO | Sale | −81 | $448.33 | $36K | 134,506 |
| 2022-02-22 | BLEGEN THEODORE CFO | Sale | −544 | $449.84 | $245K | 133,962 |
| 2022-02-22 | BLEGEN THEODORE CFO | Sale | −137 | $450.48 | $62K | 133,825 |
| 2022-02-22 | BLEGEN THEODORE CFO | Sale | −95 | $451.58 | $43K | 133,730 |
| 2022-02-22 | BLEGEN THEODORE CFO | Sale | −80 | $452.60 | $36K | 133,650 |
| 2022-02-22 | BLEGEN THEODORE CFO | Sale | −80 | $453.91 | $36K | 133,570 |
| 2022-02-22 | BLEGEN THEODORE CFO | Sale | −122 | $455.27 | $56K | 133,448 |
| 2022-02-22 | BLEGEN THEODORE CFO | Sale | −40 | $456.06 | $18K | 133,408 |
| 2022-02-22 | BLEGEN THEODORE CFO | Sale | −60 | $457.48 | $27K | 133,348 |
| 2022-02-22 | BLEGEN THEODORE CFO | Sale | −40 | $458.19 | $18K | 133,308 |
| 2022-02-22 | BLEGEN THEODORE CFO | Sale | −60 | $459.84 | $28K | 133,248 |
| 2022-02-22 | BLEGEN THEODORE CFO | Sale | −60 | $461.14 | $28K | 133,188 |
| 2022-02-22 | BLEGEN THEODORE CFO | Sale | −20 | $463.65 | $9K | 133,168 |
| 2022-02-16 | Xiao Deming Pres. of MPS Asia Operations | Gift | −42 | 299,467 | ||
| 2022-02-14 | BLEGEN THEODORE CFO | Sale | −1,387 | $429.60 | $596K | 134,652 |
Page 55 of 59 · 1,177 trades