Monolithic Power Systems (MPWR) SEC Filings

Browse all Monolithic Power Systems SEC filings, including Annual reports (10-K), Quarterly reports (10-Q), 8-K, proxy statements (DEF 14A), and insider filings (Form 4). Access official documents by filing date, reporting period, and form type. ...more

Monolithic Power Systems Reports: Annual 10-K, Quarterly 10-Q & SEC Filings

SEC Filings

Date

4

Insider ownership (buying, selling) activity

Jun 3, 2026

4

Insider ownership (buying, selling) activity

Jun 2, 2026

4

Insider ownership (buying, selling) activity

May 29, 2026

SD

Specialized disclosure report (e.g., conflict minerals)

May 29, 2026

4

Insider ownership (buying, selling) activity

May 28, 2026

4

Insider ownership (buying, selling) activity

May 27, 2026

4

Insider ownership (buying, selling) activity

May 27, 2026

4

Insider ownership (buying, selling) activity

May 20, 2026

4

Insider ownership (buying, selling) activity

May 20, 2026

4

Insider ownership (buying, selling) activity

May 19, 2026

4

Insider ownership (buying, selling) activity

May 15, 2026

4

Insider ownership (buying, selling) activity

May 15, 2026

4

Insider ownership (buying, selling) activity

May 8, 2026

4

Insider ownership (buying, selling) activity

May 8, 2026

4

Insider ownership (buying, selling) activity

May 8, 2026

4

Insider ownership (buying, selling) activity

May 6, 2026

4

Insider ownership (buying, selling) activity

May 6, 2026

4

Insider ownership (buying, selling) activity

May 6, 2026

10-Q

Quarterly financial results and management updates

May 4, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

Apr 30, 2026

ARS

Annual Report to Shareholders

Apr 30, 2026

DEFA14A

Additional or supplemental proxy disclosures

Apr 30, 2026

DEF 14A

Final shareholder voting details (board elections and executive pay)

Apr 30, 2026

SC 13G

Passive large shareholder ownership disclosure

Apr 30, 2026

SC 13G

Passive large shareholder ownership disclosure

Apr 29, 2026

4

Insider ownership (buying, selling) activity

Apr 10, 2026

4

Insider ownership (buying, selling) activity

Apr 8, 2026

4

Insider ownership (buying, selling) activity

Apr 3, 2026

4

Insider ownership (buying, selling) activity

Apr 3, 2026

4

Insider ownership (buying, selling) activity

Apr 1, 2026

SC 13G/A

Updated passive ownership disclosure

Mar 27, 2026

4

Insider ownership (buying, selling) activity

Mar 24, 2026

3

Initial disclosure of insider ownership

Mar 9, 2026

10-K

Annual financial results and management updates

Feb 27, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

Feb 27, 2026

4

Insider ownership (buying, selling) activity

Feb 17, 2026

4

Insider ownership (buying, selling) activity

Feb 13, 2026

4

Insider ownership (buying, selling) activity

Feb 12, 2026

4

Insider ownership (buying, selling) activity

Feb 12, 2026

4

Insider ownership (buying, selling) activity

Feb 11, 2026

Monolithic Power Systems (Form 4) 2026

Insider Trades / Insider ownership (buying, selling) activity

Jun 3, 2026

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