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 |
|---|---|---|---|---|---|---|
| 2022-08-12 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −1,633 | $525.95 | $859K | 214,535 |
| 2022-08-12 | Tseng Saria VP & General Counsel | Sale | −1,633 | $525.95 | $859K | 261,367 |
| 2022-08-12 | Xiao Deming Pres. of MPS Asia Operations | Sale | −1,633 | $525.95 | $859K | 279,457 |
| 2022-08-11 | Zhou Jeff Director | Sale | −200 | $540.00 | $108K | 5,651 |
| 2022-08-04 | Xiao Deming Pres. of MPS Asia Operations | Sale | −984 | $522.39 | $514K | 281,090 |
| 2022-08-04 | BLEGEN THEODORE CFO | Sale | −848 | $522.38 | $443K | 128,195 |
| 2022-08-04 | Hsing Michael CEO | Sale | −3,798 | $522.39 | $2.0M | 1,023,130 |
| 2022-08-04 | Tseng Saria VP & General Counsel | Sale | −984 | $522.39 | $514K | 263,000 |
| 2022-08-04 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −984 | $522.39 | $514K | 220,368 |
| 2022-08-04 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −3,943 | $531.25 | $2.1M | 216,425 |
| 2022-08-04 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −257 | $532.06 | $137K | 216,168 |
| 2022-08-03 | Zhou Jeff Director | Sale | −200 | $520.00 | $104K | 5,851 |
| 2022-07-01 | Xiao Deming Pres. of MPS Asia Operations | Sale | −4,515 | $361.58 | $1.6M | 282,074 |
| 2022-07-01 | Tseng Saria VP & General Counsel | Sale | −4,515 | $361.58 | $1.6M | 263,984 |
| 2022-07-01 | Sciammas Maurice Sr. V.P.of Sales and Marketing | Sale | −4,515 | $361.58 | $1.6M | 221,352 |
| 2022-07-01 | BLEGEN THEODORE CFO | Sale | −950 | $361.58 | $344K | 129,043 |
| 2022-07-01 | Hsing Michael CEO | Sale | −11,495 | $361.57 | $4.2M | 1,026,928 |
| 2022-05-27 | Xiao Deming Pres. of MPS Asia Operations | Sale | −1,495 | $457.00 | $683K | 286,589 |
| 2022-05-24 | Xiao Deming Pres. of MPS Asia Operations | Sale | −4,298 | $392.44 | $1.7M | 288,084 |
| 2022-05-12 | Xiao Deming Pres. of MPS Asia Operations | Sale | −1,679 | $388.10 | $652K | 292,382 |
Page 53 of 59 · 1,177 trades