Skip to main content
Livermore
Livermore
US stocksTW
ZHEN

Monolithic Power Systems, Inc.

MPWR
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0001280452

In the last 90 days, Monolithic Power Systems, Inc. insiders filed 0 open-market purchases and 5 sales; 1,258 institutions reported holding it in 13F filings for Q2 2026, worth $65.6B in total; superinvestors D1 Capital Partners and Maverick Capital hold it.

SEC filings

10-K, 10-Q, 8-K, 20-F and 40-F reports Monolithic Power Systems, Inc. filed with the SEC, newest first.

Livermore lists each filing's form, 8-K items and dates only. To read a filing, open it on SEC.gov; an 8-K's press release or other attachments, such as exhibit 99.1 for Item 2.02, are in the filing index.

SEC filings by Monolithic Power Systems, Inc.
FiledForm8-K itemsPeriodDocumentFiling index
Nov 3, 202610-Q–Sep 30, 2026SECIndex
Oct 29, 20268-K2.025.029.01Oct 27, 2026SECIndex
Sep 10, 20268-K8.019.01Sep 10, 2026SECIndex
Aug 5, 202610-Q–Jun 30, 2026SECIndex
Jul 30, 20268-K2.029.01Jul 30, 2026SECIndex
Jun 12, 20268-K5.078.019.01Jun 11, 2026SECIndex
May 4, 202610-Q–Mar 31, 2026SECIndex
Apr 30, 20268-K2.029.01Apr 30, 2026SECIndex
Feb 27, 202610-K–Dec 31, 2025SECIndex
Feb 27, 20268-K4.02Feb 26, 2026SECIndex
Feb 5, 20268-K2.025.028.019.01Feb 3, 2026SECIndex
Dec 12, 20258-K8.019.01Dec 12, 2025SECIndex
Nov 21, 20258-K5.039.01Nov 19, 2025SECIndex
Nov 5, 202510-Q–Sep 30, 2025SECIndex
Oct 30, 20258-K2.029.01Oct 30, 2025SECIndex
Sep 11, 20258-K8.019.01Sep 11, 2025SECIndex
Aug 4, 202510-Q–Jun 30, 2025SECIndex
Jul 31, 20258-K2.029.01Jul 31, 2025SECIndex
Jun 16, 20258-K5.035.078.019.01Jun 12, 2025SECIndex
May 5, 202510-Q–Mar 31, 2025SECIndex
May 1, 20258-K2.029.01May 1, 2025SECIndex
Mar 26, 20258-K5.039.01Mar 26, 2025SECIndex
Mar 20, 20258-K7.019.01Mar 20, 2025SECIndex
Mar 3, 202510-K–Dec 31, 2024SECIndex
Feb 6, 20258-K2.028.019.01Feb 6, 2025SECIndex
Dec 13, 20248-K8.019.01Dec 13, 2024SECIndex
Nov 12, 20248-K7.01Nov 11, 2024SECIndex
Nov 6, 202410-Q–Sep 30, 2024SECIndex
Oct 30, 20248-K2.029.01Oct 30, 2024SECIndex
Oct 22, 20248-K5.02Oct 21, 2024SECIndex
Sep 13, 20248-K8.019.01Sep 13, 2024SECIndex
Aug 2, 202410-Q–Jun 30, 2024SECIndex
Aug 1, 20248-K2.028.019.01Jul 30, 2024SECIndex
Jun 14, 20248-K5.078.019.01Jun 13, 2024SECIndex
May 3, 202410-Q–Mar 31, 2024SECIndex
May 1, 20248-K2.029.01May 1, 2024SECIndex
Feb 29, 202410-K–Dec 31, 2023SECIndex
Feb 7, 20248-K2.028.019.01Feb 7, 2024SECIndex
Dec 15, 20238-K8.019.01Dec 15, 2023SECIndex
Nov 8, 202310-Q–Sep 30, 2023SECIndex
Oct 30, 20238-K2.028.019.01Oct 30, 2023SECIndex
Sep 15, 20238-K8.019.01Sep 15, 2023SECIndex
Aug 4, 202310-Q–Jun 30, 2023SECIndex
Jul 31, 20238-K2.029.01Jul 31, 2023SECIndex
Jun 15, 20238-K5.025.078.019.01Jun 15, 2023SECIndex
May 5, 202310-Q–Mar 31, 2023SECIndex
May 4, 20238-K2.029.01May 4, 2023SECIndex
Feb 24, 202310-K–Dec 31, 2022SECIndex
Feb 8, 20238-K2.025.028.019.01Feb 7, 2023SECIndex
Dec 15, 20228-K8.019.01Dec 15, 2022SECIndex