MPWR MONOLITHIC POWER SYSTEMS INC

NEUTRAL Impact: 2/10 Insider Cluster (3 insiders)
Horizon immediate Filed May 5, 2026 Processed 1mo ago
Insider cluster: 3 insiders, $2.0M total
Latest settled — T+20d ⚠ clustered
MPWR ▲ +2.96% at T+20d
NEUTRAL call ✓ call won +2.96% · α vs SPY -1.99% · entry $1,578.23 → $1,624.99
Next anchor: T+60d in 7w
Currently $1,577.32 · -0.06% from $1,578.23 entry
Entry anchored
May 4, 03:59 PM ET
via Databento tick
T+1d
+4.16%
call +4.16% · α +2.78%
$1,643.94
settled 6w ago
T+5d
+5.25%
call +5.25% · α +3.27%
$1,661.10
settled 5w ago
T+20d
+2.96%
call +2.96% · α -1.99%
$1,624.99
settled 11d ago
T+60d
call — · α —
in 7w

Price Chart

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Executive Summary

Three MPWR insiders (two directors and one EVP) sold a total of $1.96M in open-market sales over three days following a strong Q1 earnings beat. The total represents a negligible 0.0025% of the $77.4B market cap, indicating routine portfolio diversification rather than a bearish signal.

Key Financial Metrics

Direction
selling
Total Value
$2.0M
Insiders
3

Actionable Insight

The insider sales are too small to be material. Continue to monitor for any acceleration in insider selling volume; the strong earnings report supports the bullish fundamental thesis.

Key Facts

  • Total insider sales: $1.96M across 3 insiders
  • Sales occurred May 4-6, 2026, shortly after Q1 earnings beat on April 30
  • Insiders: Sciammas (EVP, WW Sales & Marketing), Zhou (Director), Wynne (Director)
  • Sales represent ~0.0025% of MPWR's $77.4B market cap

Financial Impact

Total sales of $1.96M are negligible relative to $77.4B market cap

Market Snapshot

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

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-MPWR-1778265430334
23 reports for MPWR
Performance horizon
100% Hit rate 3 of 3 directional calls best @ T+20▲ +21.20%Apr 13, 2026
Filters
Rows
Reports for MPWR — sortable, filterable
Type Now
Jun 12, 2026
today
Press Release
NEUTRAL ★ 2/10
$1,576.88 awaiting T+1awaiting T+1$1,577.32 (+0.03%)
Jun 3, 2026
9d ago
Insider Cluster
NEUTRAL ★ 2/10
$1,650.98 $1,476.57▼ −10.56%▼ −7.97%$1,577.32 (−4.46%)
May 29, 2026
14d ago
Insider Cluster
NEUTRAL ★ 2/10
$1,537.90 $1,625.47▲ +5.69%▲ +5.55%$1,577.32 (+2.56%)
May 29, 2026
14d ago
Insider Cluster
NEUTRAL ★ 2/10
$1,537.90 $1,625.47▲ +5.69%▲ +5.55%$1,577.32 (+2.56%)
May 28, 2026
15d ago
Insider Cluster
NEUTRAL ★ 2/10
$1,562.07 $1,537.90▼ −1.55%▼ −1.81%$1,577.32 (+0.98%)
May 27, 2026
16d ago
Insider Cluster
NEUTRAL ★ 3/10
$1,632.36 $1,562.07▼ −4.31%▼ −4.55%$1,577.32 (−3.37%)
May 27, 2026
16d ago
Insider Cluster
NEUTRAL ★ 2/10
$1,632.36 $1,562.07▼ −4.31%▼ −4.55%$1,577.32 (−3.37%)
May 21, 2026
23d ago
Insider Cluster
NEUTRAL ★ 3/10
$1,553.55 $1,588.88▲ +2.27%▲ +1.83%$1,577.32 (+1.53%)
May 20, 2026
23d ago
Insider Cluster
NEUTRAL ★ 3/10
$1,553.55 $1,588.88▲ +2.27%▲ +1.83%$1,577.32 (+1.53%)
May 8, 2026
5w ago
Insider Cluster
NEUTRAL ★ 2/10
$1,653.69 $1,592.75▼ −3.69%▼ −3.55%$1,577.32 (−4.62%)
Showing 10 of 23

US Market Status

Market Closed — Opens Mon (49h 1m)

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