Sign in

CIK 0001280452 · Large accelerated filer

MONOLITHIC POWER SYSTEMS, INC.

Sign in to watch
Ticker
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.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2024-01-02 BLEGEN THEODORE CFO Sale 10b5-1 −111 $616.28 $68K 115,793
2024-01-02 BLEGEN THEODORE CFO Sale 10b5-1 −200 $617.43 $123K 115,593
2024-01-02 BLEGEN THEODORE CFO Sale 10b5-1 −500 $618.39 $309K 115,093
2024-01-02 BLEGEN THEODORE CFO Sale 10b5-1 −212 $620.50 $132K 114,881
2023-12-18 BLEGEN THEODORE CFO Sale 10b5-1 −80 $627.99 $50K 119,801
2023-12-18 BLEGEN THEODORE CFO Sale 10b5-1 −451 $628.61 $284K 119,350
2023-12-18 BLEGEN THEODORE CFO Sale 10b5-1 −313 $629.60 $197K 119,037
2023-12-18 BLEGEN THEODORE CFO Sale 10b5-1 −235 $630.55 $148K 118,802
2023-12-18 BLEGEN THEODORE CFO Sale 10b5-1 −493 $631.57 $311K 118,309
2023-12-18 BLEGEN THEODORE CFO Sale 10b5-1 −50 $632.29 $32K 118,259
2023-12-18 BLEGEN THEODORE CFO Sale 10b5-1 −581 $633.28 $368K 117,678
2023-12-18 BLEGEN THEODORE CFO Sale 10b5-1 −297 $634.67 $188K 117,381
2023-12-13 Tseng Saria Executive VP & General Counsel Sale 10b5-1 −18,610 $600.00 $11.2M 232,884
2023-11-16 Moyer James C Director Gift −3,800 41,261
2023-11-16 Moyer James C Director Gift +3,800 3,800
2023-11-16 Moyer James C Director Sale −2,087 $538.34 $1.1M 1,713
2023-11-16 Moyer James C Director Sale −1,502 $539.60 $810K 211
2023-11-16 Moyer James C Director Sale −211 $540.18 $114K 0
2023-11-14 Xiao Deming Pres. of MPS Asia Operations Gift −3,391 247,250
2023-11-14 Xiao Deming Pres. of MPS Asia Operations Gift +3,391 3,391

Page 44 of 59 · 1,177 trades