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Insider ActivityMPWR
Tseng Saria, EVP & General Counsel at MONOLITHIC POWER SYSTEMS INC, sold $1.6M of MPWR
Updated Jun 19, 2026
Tseng Saria
EVP & General Counsel
MONOLITHIC POWER SYSTEMS INC ·
$MPWR
Transaction Details
| Insider | Tseng Saria |
|---|---|
| Title | EVP & General Counsel |
| Company | MONOLITHIC POWER SYSTEMS INC |
| Ticker | MPWR |
| Transaction Type | Sale |
| Transaction Date | 2026-04-06 |
| Shares Traded | 1,396 |
| Price Per Share | $1,179.5 |
| Total Value | $1.6M |
| Filed Date | 2026-04-08 |
| Accession Number | 0001214659-26-004460 |
Ownership Context
| Shares Owned After Transaction | 165,946 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001214659-26-004460
Other Insider Trades — MPWR
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Sciammas Maurice | EVP, WW Sales & Marketing | sold | $46K | 2026-06-01 |
| Sciammas Maurice | EVP, WW Sales & Marketing | traded | — | 2026-05-29 |
| Tseng Saria | EVP & General Counsel | sold | $12.9M | 2026-05-27 |
| Zhou Jeff | Insider | sold | $816K | 2026-05-26 |
| DEAN ROBERT W II | Interim CFO | sold | $36K | 2026-05-26 |
| Tseng Saria | EVP & General Counsel | traded | — | 2026-05-22 |
| Tseng Saria | EVP & General Counsel | sold | $7.9M | 2026-05-22 |
| Hsing Michael | CEO | sold | $1.3M | 2026-05-18 |
| Hsing Michael | CEO | sold | $9.9M | 2026-05-18 |
| Hsing Michael | CEO | sold | $912K | 2026-05-18 |
Other Trades by Tseng Saria
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| MPWR | MONOLITHIC POWER SYSTEMS INC | sold | $12.9M | 2026-05-27 |
| MPWR | MONOLITHIC POWER SYSTEMS INC | traded | — | 2026-05-22 |
| MPWR | MONOLITHIC POWER SYSTEMS INC | sold | $7.9M | 2026-05-22 |
| MPWR | MONOLITHIC POWER SYSTEMS INC | sold | $1.1M | 2026-04-08 |
| MPWR | MONOLITHIC POWER SYSTEMS INC | sold | $1.7M | 2026-04-08 |
| MPWR | MONOLITHIC POWER SYSTEMS INC | sold | $5.6M | 2026-04-08 |
| MPWR | MONOLITHIC POWER SYSTEMS INC | sold | $517K | 2026-04-08 |
| MPWR | MONOLITHIC POWER SYSTEMS INC | sold | $307K | 2026-04-08 |
| MPWR | MONOLITHIC POWER SYSTEMS INC | sold | $709K | 2026-04-08 |
| MPWR | MONOLITHIC POWER SYSTEMS INC | sold | $457K | 2026-04-08 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for MPWR — MONOLITHIC POWER SYSTEMS INC →
Whisper Score — MPWR
24.96
Murmurs
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 19, 2026 at 07:21 UTC