Free Trial

Monolithic Power Systems (MPWR) SEC Filings & 10K Form

Monolithic Power Systems logo
$827.56 +3.91 (+0.47%)
Closing price 04:00 PM Eastern
Extended Trading
$828.60 +1.04 (+0.13%)
As of 04:55 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

Recent Monolithic Power Systems SEC Filings

DateFilerForm TypeView
08/29/2025
5:23 PM
Elmiger Eugen J (Reporting)
Monolithic Power Systems (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/28/2025
1:23 PM
Monolithic Power Systems (Issuer)
Zhou Jeff (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
08/27/2025
3:52 PM
Monolithic Power Systems (Subject)
Zhou Jeff (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/22/2025
1:30 PM
Monolithic Power Systems (Subject)
Sciammas Maurice (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/21/2025
4:09 PM
Monolithic Power Systems (Issuer)
Sciammas Maurice (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
08/18/2025
4:36 PM
Hsing Michael (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/15/2025
4:23 PM
Hsing Michael (Reporting)
Monolithic Power Systems (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/15/2025
1:54 PM
Monolithic Power Systems (Issuer)
Zhou Jeff (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
08/13/2025
4:47 PM
Monolithic Power Systems (Issuer)
Zhou Jeff (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
08/12/2025
6:10 PM
Monolithic Power Systems (Subject)
Zhou Jeff (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/12/2025
4:45 PM
Monolithic Power Systems (Issuer)
Xiao Deming (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
08/08/2025
11:40 AM
Monolithic Power Systems (Issuer)
Sciammas Maurice (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
08/04/2025
6:58 PM
Monolithic Power Systems (Issuer)
Xiao Deming (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
08/04/2025
6:31 PM
BLEGEN THEODORE (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/01/2025
3:03 PM
BLEGEN THEODORE (Reporting)
Monolithic Power Systems (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/01/2025
3:04 PM
Monolithic Power Systems (Subject)
Xiao Deming (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
07/02/2025
10:46 AM
BLEGEN THEODORE (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/28/2025
12:28 PM
Monolithic Power Systems (Filer)
Form SD
Specialized Disclosure Report  
05/13/2025
5:09 PM
CHANG KUO WEI HERBERT (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/12/2025
7:24 PM
CHANG KUO WEI HERBERT (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/12/2025
5:02 PM
Monolithic Power Systems (Issuer)
Sciammas Maurice (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/12/2025
12:46 PM
Monolithic Power Systems (Subject)
Sciammas Maurice (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/09/2025
6:55 PM
Monolithic Power Systems (Issuer)
Sciammas Maurice (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/09/2025
5:53 PM
CHANG KUO WEI HERBERT (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/08/2025
12:46 PM
CHANG KUO WEI HERBERT (Reporting)
Monolithic Power Systems (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/02/2025
5:06 AM
Monolithic Power Systems (Filer)
Form DEFR14A
04/30/2025
12:21 PM
Monolithic Power Systems (Filer)
Form DEF 14A
04/30/2025
12:26 PM
Monolithic Power Systems (Filer)
Form DEFA14A
04/18/2025
12:47 PM
Monolithic Power Systems (Filer)
Form PRE 14A
04/17/2025
5:50 PM
BlackRock, Inc. (Filed by)
Monolithic Power Systems (Subject)
Form SCHEDULE 13G/A
04/17/2025
8:35 AM
BlackRock, Inc. (Filed by)
Monolithic Power Systems (Subject)
Form SCHEDULE 13G/A
03/26/2025
1:49 PM
Monolithic Power Systems (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/20/2025
10:50 AM
Monolithic Power Systems (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/03/2025
2:14 PM
Monolithic Power Systems (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
02/20/2025
6:01 PM
Hsing Michael (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2025
6:02 PM
Monolithic Power Systems (Issuer)
Sciammas Maurice (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/13/2025
5:00 PM
Monolithic Power Systems (Issuer)
Sciammas Maurice (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/12/2025
2:43 PM
BLEGEN THEODORE (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/12/2025
2:44 PM
Hsing Michael (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/12/2025
2:44 PM
Monolithic Power Systems (Issuer)
Sciammas Maurice (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/12/2025
2:45 PM
Monolithic Power Systems (Issuer)
Tseng Saria (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
Why Trump’s “Smart Dollar” could rewrite the rules (Ad)

MUST SEE: Donald Trump's Radical Overhaul of the U.S. Dollar Congress just approved President Trump's latest plans for the dollar – and they're so bold that one central bank chair says we haven't seen anything like it in almost a century. Our Wall Street insider says it's the start of a once-in-a-lifetime investing opportunity, IF you act now.tc pixel

Get the three steps to take this month to put yourself on the right side of this $30 trillion money
02/12/2025
2:45 PM
Monolithic Power Systems (Issuer)
Xiao Deming (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/11/2025
4:33 PM
Monolithic Power Systems (Issuer)
Sciammas Maurice (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/11/2025
4:33 PM
Hsing Michael (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/10/2025
6:10 PM
Monolithic Power Systems (Subject)
Sciammas Maurice (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/10/2025
6:13 PM
Monolithic Power Systems (Subject)
Tseng Saria (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/10/2025
6:18 PM
Monolithic Power Systems (Subject)
Xiao Deming (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/10/2025
5:27 PM
BLEGEN THEODORE (Reporting)
Monolithic Power Systems (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/10/2025
5:37 PM
Hsing Michael (Reporting)
Monolithic Power Systems (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/07/2025
3:55 PM
Monolithic Power Systems (Subject)
Sciammas Maurice (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/06/2025
3:01 PM
Monolithic Power Systems (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/28/2025
4:52 PM
Hsing Michael (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/24/2025
3:55 PM
Hsing Michael (Reporting)
Monolithic Power Systems (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/11/2024
6:21 PM
BLEGEN THEODORE (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
11/13/2024
4:16 PM
Monolithic Power Systems (Issuer)
Xiao Deming (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/13/2024
4:12 PM
Hsing Michael (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
11/13/2024
4:13 PM
BLEGEN THEODORE (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
11/13/2024
4:14 PM
Monolithic Power Systems (Issuer)
Sciammas Maurice (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/13/2024
4:15 PM
Monolithic Power Systems (Issuer)
Tseng Saria (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/08/2024
11:25 AM
Hsing Michael (Reporting)
Monolithic Power Systems (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
11/08/2024
11:43 AM
Monolithic Power Systems (Subject)
Sciammas Maurice (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
11/08/2024
11:47 AM
Monolithic Power Systems (Subject)
Tseng Saria (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
11/08/2024
11:56 AM
Monolithic Power Systems (Subject)
Xiao Deming (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
11/08/2024
11:12 AM
BLEGEN THEODORE (Reporting)
Monolithic Power Systems (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
11/05/2024
4:31 PM
BLEGEN THEODORE (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
11/01/2024
3:25 PM
BLEGEN THEODORE (Reporting)
Monolithic Power Systems (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
10/22/2024
4:13 PM
Monolithic Power Systems (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/08/2024
12:14 PM
Monolithic Power Systems (Issuer)
Sciammas Maurice (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
10/02/2024
10:08 AM
BLEGEN THEODORE (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/03/2024
6:40 PM
BLEGEN THEODORE (Reporting)
Monolithic Power Systems (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/03/2024
3:23 PM
BLEGEN THEODORE (Reporting)
Monolithic Power Systems (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
(Data available from 1/1/2016 forward)


Related Companies and Tools


This page (NASDAQ:MPWR) was last updated on 9/3/2025 by MarketBeat.com Staff
From Our Partners