Summary
Latest filing:
Jeff Zhou files SEC Form 4 reports at MONOLITHIC POWER SYSTEMS, INC. (MPWR). 6 SEC Form 4 filings on record going back to 2025, most recently on 27 May 2026. Most recent open-market trade: sold $816K of MPWR on 27 May 2026. Lifetime open-market sales: $3.92M.
Recent Transactions
8Every recent SEC Form 4 transaction Jeff Zhou has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Jeff Zhou files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Michael Hsing - $278.71M of MPWR open-market activity in the last 12 months
- Saria Tseng - $132.37M of MPWR open-market activity in the last 12 months
- Deming Xiao - $76.43M of MPWR open-market activity in the last 12 months
- Maurice Sciammas - $76.13M of MPWR open-market activity in the last 12 months
- Theodore Blegen - $37.37M of MPWR open-market activity in the last 12 months
- Eugen J. Elmiger - $19.02M of MPWR open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Jeff Zhou?
Jeff Zhou is a corporate insider of MONOLITHIC POWER SYSTEMS, INC. (MPWR). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Jeff Zhou last file a Form 4?
The most recent primary Form 4 on record is dated 27 May 2026, one of 6 filings going back to 2025.
Has Jeff Zhou been buying or selling stock?
Recorded transactions: 0 open-market purchases and 7 open-market sales ($3.92M) across all tracked filings.
Where can I see all of Jeff Zhou's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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