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MPWRMonolithic Power Systems

Technology · Semiconductors · Nasdaq

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Filings with the SEC since Nov 15, 2019

1,005 filings, 5 in the last 30 days

SEC filing index

Latest annual reportOpen ↗

Feb 27, 2026

10-K, period to Dec 31, 2025

Latest quarterly reportOpen ↗

Nov 3, 2026

10-Q, period to Sep 30, 2026

Latest current reportOpen ↗

Oct 29, 2026

8-K: Quarterly results, Director or officer change

Filed in the last 30 days

of 1,005 in all

Timeline

Every filing on one line

1 yr 2 yr 3 yr

Annual report (10-K)Quarterly report (10-Q)Current report (8-K)Auditor changeCEO, CFO, COO or CAO changeRestatementLate filing noticeInsider purchaseCluster buy (3+ insiders)SEC comment letterShare offering (S-3, 424B)

20252026

All 27 events

Nov 3, 202610-Q Quarterly report (10-Q) period ended Sep 30, 2026
Oct 29, 2026Officer CFO and CAO change On October 27, 2026, the Board of Directors of the Company (“the Board”) appointed Tony Balow, age 56, as Vice President, Chief Financial Officer, effective immediately.
Sep 10, 20268-K Other events 8-K item 8.01
Aug 5, 202610-Q Quarterly report (10-Q) period ended Jun 30, 2026
Jul 30, 20268-K Quarterly results 8-K item 2.02
Jun 12, 20268-K Shareholder vote results, Other events 8-K items 5.07, 8.01
May 4, 202610-Q Quarterly report (10-Q) period ended Mar 31, 2026
Apr 30, 20268-K Quarterly results 8-K item 2.02
Feb 27, 2026Restated Earlier financial statements no longer reliable 8-K item 4.02
Feb 27, 202610-K Annual report (10-K) period ended Dec 31, 2025
Feb 5, 2026Officer CFO change On February 3, 2026, Bernie Blegen informed the Company’s Board of Directors (the “Board”) of his intention to retire from his position as Executive Vice President and Chief Financial Officer.
Dec 12, 20258-K Other events 8-K item 8.01
Nov 21, 20258-K Bylaws or fiscal year changed 8-K item 5.03
Nov 5, 202510-Q Quarterly report (10-Q) period ended Sep 30, 2025
Oct 30, 20258-K Quarterly results 8-K item 2.02
Sep 11, 20258-K Other events 8-K item 8.01
Aug 4, 202510-Q Quarterly report (10-Q) period ended Jun 30, 2025
Jul 31, 20258-K Quarterly results 8-K item 2.02
Jun 16, 20258-K Bylaws or fiscal year changed, Shareholder vote results, Other events 8-K items 5.03, 5.07, 8.01
May 5, 202510-Q Quarterly report (10-Q) period ended Mar 31, 2025
May 1, 20258-K Quarterly results 8-K item 2.02
Mar 26, 20258-K Bylaws or fiscal year changed 8-K item 5.03
Mar 20, 20258-K Regulation FD disclosure 8-K item 7.01
Mar 3, 202510-K Annual report (10-K) period ended Dec 31, 2024
Feb 6, 20258-K Quarterly results, Other events 8-K items 2.02, 8.01
Dec 13, 20248-K Other events 8-K item 8.01
Nov 12, 20248-K Regulation FD disclosure 8-K item 7.01

From the SEC filing index. Insider purchases go back 180 days (the Form 4s downloaded).

Every filing

Newest first, by kind

Each form links to sec.gov

All 1005 Annual & quarterly 28 Current reports (8-K) 58 Insiders 858 Proxy & votes 21 Big owners (13D/13G) 27 Shares & debt offered 1 Other 12

Filed	Form	What it is	Period
Apr 30, 2026	DEFA14A	Extra proxy material		all files
Apr 30, 2026	DEF 14A	Proxy statement	Jun 11, 2026	all files
Apr 30, 2025	DEFA14A	Extra proxy material		all files
Apr 30, 2025	DEF 14A	Proxy statement	Jun 12, 2025	all files
Apr 18, 2025	PRE 14A		Jun 12, 2025	all files
Jun 6, 2024	DEFA14A	Extra proxy material		all files
Apr 29, 2024	DEFA14A	Extra proxy material		all files
Apr 29, 2024	DEF 14A	Proxy statement	Jun 13, 2024	all files
Jun 7, 2023	DEFA14A	Extra proxy material		all files
Jun 5, 2023	DEFA14A	Extra proxy material		all files
May 22, 2023	DEFA14A	Extra proxy material		all files
May 1, 2023	DEFA14A	Extra proxy material		all files
May 1, 2023	DEF 14A	Proxy statement		all files
May 2, 2022	DEFA14A	Extra proxy material		all files
May 2, 2022	DEF 14A	Proxy statement	Jun 16, 2022	all files
Jun 7, 2021	DEFA14A	Extra proxy material		all files
Apr 30, 2021	DEFA14A	Extra proxy material		all files
Apr 30, 2021	DEF 14A	Proxy statement	Jun 10, 2021	all files
May 28, 2020	DEFA14A	Extra proxy material		all files
Apr 29, 2020	DEFA14A	Extra proxy material		all files
Apr 29, 2020	DEF 14A	Proxy statement	Jun 11, 2020	all files

Press releases with quarterly results are attached to the 8-Ks marked "Quarterly results"; read them on Earnings releases.

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