Insider Cluster (4 insiders) ·Filed May 8, 2026

MPWR

MONOLITHIC POWER SYSTEMS INC
NEUTRAL
Impact 2/10
Horizondays Processed4mo ago
Insider cluster: 4 insiders, $7.3M total
Actionable Insight • Neutral

The insider selling is too small to signal material weakness. Monitor for any larger patterns or changes in insider behavior, but no immediate action warranted.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d ⚠ clustered
MPWR ▼ -19.44% at T+60d
NEUTRAL call ✗ call lost -19.44% · α vs SPY -23.56% · entry $1,653.69 → $1,332.23
Entry anchored
May 8, 03:59 PM ET
via exchange tick
T+1d
-3.69%
call -3.69% · α -3.55%
$1,592.75
settled 5mo ago
T+5d
-10.44%
call -10.44% · α -10.35%
$1,481.09
settled 5mo ago
T+20d
-7.36%
call -7.36% · α -7.06%
$1,531.98
settled 4mo ago
T+60d
-19.44%
call -19.44% · α -23.56%
$1,332.23
settled 8w ago

Price Chart

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Executive Summary

Multiple MPWR insiders sold shares worth $7.34M, but this represents less than 0.01% of the $79.3B market cap, making the activity trivial and routine. The selling is not concentrated among top executives (only one EVP, rest directors).

Key Financial Metrics

Direction
selling
Total Value
$7.3M
Insiders
4

Key Facts

  • EVP Global Operations sold 3,300 shares for $5.49M
  • Director Zhou Jeff sold 500 shares for $825K
  • Director Elmiger Eugen sold 320 shares for $499K
  • Director Wynne Eileen sold 335 shares for $530K
  • Total insider sales of $7.34M are negligible relative to $79.3B market cap

Financial Impact

Total sales $7.34M, less than 0.01% of market cap

dilution

Risk Factors

  • No material risk identified from this cluster

Market Snapshot

Exchange
Nasdaq
Sector
Semiconductors & Related Devices
Analyst Consensus
88% bullish (25 analysts)

Investment Themes

Semiconductors

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-MPWR-1778888761709
30 reports for MPWR
Performance horizon
80% Hit rate 4 of 5 directional calls best @ T+20▲ +21.20%Apr 13, 2026
Filters
Rows
Reports for MPWR — sortable, filterable
TypeNow
Sep 10, 2026
21d ago
Press Release
NEUTRAL ★ 2/10
$1,234.46 $1,217.80▼ −1.35%▼ −1.13%$1,427.84 (+15.67%)
Aug 26, 2026
5w ago
Insider Cluster
NEUTRAL ★ 2/10
$1,311.08 $1,213.65▼ −7.43%▼ −7.70%$1,427.84 (+8.91%)
Aug 26, 2026
5w ago
Insider Cluster
NEUTRAL ★ 2/10
$1,311.08 $1,219.36▼ −7.00%▼ −6.23%$1,427.84 (+8.91%)
Aug 24, 2026
5w ago
Court Ruling
BULLISH ★ 6/10
$1,285.03 $1,261.99▼ −1.79%▼ −2.26%$1,427.84 (+11.11%)
Aug 13, 2026
7w ago
Insider Cluster
NEUTRAL ★ 2/10
$1,362.55 $1,310.60▼ −3.81%▼ −1.85%$1,427.84 (+4.79%)
Aug 6, 2026
8w ago
Insider Cluster
NEUTRAL ★ 3/10
$1,350.21 $1,358.05▲ +0.58%▼ −0.63%$1,427.84 (+5.75%)
Jul 30, 2026
9w ago
8-K
BULLISH ★ 8/10
$1,426.03 $1,391.91▼ −2.39%▼ −5.90%$1,427.84 (+0.13%)
Jun 12, 2026
15w ago
Press Release
NEUTRAL ★ 2/10
$1,652.29 $1,537.88▼ −6.92%▼ −5.54%$1,427.84 (−13.58%)
Jun 3, 2026
17w ago
Insider Cluster
NEUTRAL ★ 2/10
$1,650.98 $1,589.55▼ −3.72%▼ −1.17%$1,427.84 (−13.52%)
May 29, 2026
17w ago
Insider Cluster
NEUTRAL ★ 2/10
$1,537.90 $1,481.05▼ −3.70%▼ −0.95%$1,427.84 (−7.16%)
Showing 10 of 30

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Report published May 15, 2026