Summary
Latest filing:
Saria Tseng is EVP & General Counsel of MONOLITHIC POWER SYSTEMS, INC. (MPWR). 16 SEC Form 4 filings on record going back to 2024, most recently on 2 September 2026. Most recent open-market trade: sold $12.86M of MPWR on 29 May 2026. Lifetime open-market sales: $146.30M.
Recent Transactions
20Every recent SEC Form 4 transaction Saria Tseng has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Saria Tseng go back to 2024: 16 primary Form 4 filings, an average of 5.3 per year. 35 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Saria Tseng 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
- 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
- Jeff Zhou - $3.25M 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 Saria Tseng?
Saria Tseng is a corporate insider, tracked as EVP & General Counsel of MONOLITHIC POWER SYSTEMS, INC. (MPWR). InsiderAlpha holds 16 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Saria Tseng submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Saria Tseng been buying or selling stock?
Recorded transactions: 0 open-market purchases and 59 open-market sales ($146.30M) across all tracked filings.
Where can I see all of Saria Tseng'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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