MPWRMonolithic Power Systems

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Filings with the SEC since Nov 15, 2019

1,006 filings, 6 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 1,006 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 1006 Annual & quarterly 28 Current reports (8-K) 58 Insiders 858 Proxy & votes 21 Big owners (13D/13G) 28 Shares & debt offered 1 Other 12

Filed	Form	What it is	Period
Nov 3, 2026	10-Q	Quarterly report	Sep 30, 2026	all files · tables
Aug 5, 2026	10-Q	Quarterly report	Jun 30, 2026	all files · tables
May 4, 2026	10-Q	Quarterly report	Mar 31, 2026	all files · tables
Feb 27, 2026	10-K	Annual report	Dec 31, 2025	all files · tables
Nov 5, 2025	10-Q	Quarterly report	Sep 30, 2025	all files · tables
Aug 4, 2025	10-Q	Quarterly report	Jun 30, 2025	all files · tables
May 5, 2025	10-Q	Quarterly report	Mar 31, 2025	all files · tables
Mar 3, 2025	10-K	Annual report	Dec 31, 2024	all files · tables
Nov 6, 2024	10-Q	Quarterly report	Sep 30, 2024	all files · tables
Aug 2, 2024	10-Q	Quarterly report	Jun 30, 2024	all files · tables
May 3, 2024	10-Q	Quarterly report	Mar 31, 2024	all files · tables
Feb 29, 2024	10-K	Annual report	Dec 31, 2023	all files · tables
Nov 8, 2023	10-Q	Quarterly report	Sep 30, 2023	all files · tables
Aug 4, 2023	10-Q	Quarterly report	Jun 30, 2023	all files · tables
May 5, 2023	10-Q	Quarterly report	Mar 31, 2023	all files · tables
Feb 24, 2023	10-K	Annual report	Dec 31, 2022	all files · tables
Nov 9, 2022	10-Q	Quarterly report	Sep 30, 2022	all files · tables
Aug 5, 2022	10-Q	Quarterly report	Jun 30, 2022	all files · tables
May 10, 2022	10-Q	Quarterly report	Mar 31, 2022	all files · tables
Feb 25, 2022	10-K	Annual report	Dec 31, 2021	all files · tables
Nov 8, 2021	10-Q	Quarterly report	Sep 30, 2021	all files · tables
Aug 9, 2021	10-Q	Quarterly report	Jun 30, 2021	all files · tables
May 10, 2021	10-Q	Quarterly report	Mar 31, 2021	all files · tables
Mar 1, 2021	10-K	Annual report	Dec 31, 2020	all files · tables
Nov 6, 2020	10-Q	Quarterly report	Sep 30, 2020	all files · tables
Aug 3, 2020	10-Q	Quarterly report	Jun 30, 2020	all files · tables
May 11, 2020	10-Q	Quarterly report	Mar 31, 2020	all files · tables
Feb 28, 2020	10-K	Annual report	Dec 31, 2019	all files · tables

Show the other 3 filings on this page

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

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