MPWR MONOLITHIC POWER SYSTEMS INC

NEUTRAL Impact: 2/10 Insider Cluster (4 insiders)
Horizon days Filed May 5, 2026 Processed 1mo ago
Insider cluster: 4 insiders, $7.4M 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 $1,486.60 · -5.81% 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 5w ago
T+5d
+5.25%
call +5.25% · α +3.27%
$1,661.10
settled 4w ago
T+20d
+2.96%
call +2.96% · α -1.99%
$1,624.99
settled 8d ago
T+60d
call — · α —
in 7w

Price Chart

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Executive Summary

Four insiders at Monolithic Power Systems sold a total of $7.44M in stock over a 7-day window following a strong Q1 2026 earnings beat. The selling is negligible relative to the company's $77.4B market cap (<0.01%) and is likely routine portfolio diversification after a positive earnings report.

Key Financial Metrics

Direction
selling
Total Value
$7.4M
Insiders
4

Actionable Insight

Insider selling is routine and immaterial given the small dollar amount relative to market cap. No bearish signal. Continue to monitor next earnings report for any trend change.

Key Facts

  • Total insider sales of $7.44M across 4 insiders (2 EVPs, 2 directors).
  • Largest sale: EVP Global Operations Xiao Deming sold $5.49M.
  • Cluster follows Q1 2026 earnings beat (revenue +26% YoY, EPS beat by 4.1%).
  • Sales represent ~0.01% of market cap, well below the materiality threshold.

Financial Impact

No material financial impact; $7.44M in sales is negligible for a $77.4B company.

Risk Factors

  • Insider selling could increase if the stock continues to rally.
  • Further insider sales from key executives might signal caution if sustained.

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-1778278553138
22 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 3, 2026
6d ago
Insider Cluster
NEUTRAL ★ 2/10
$1,650.98 $1,476.57▼ −10.56%▼ −7.97%$1,486.60 (−9.96%)
May 29, 2026
11d ago
Insider Cluster
NEUTRAL ★ 2/10
$1,537.90 $1,625.47▲ +5.69%▲ +5.55%$1,486.60 (−3.34%)
May 29, 2026
11d ago
Insider Cluster
NEUTRAL ★ 2/10
$1,537.90 $1,625.47▲ +5.69%▲ +5.55%$1,486.60 (−3.34%)
May 28, 2026
12d ago
Insider Cluster
NEUTRAL ★ 2/10
$1,562.07 $1,537.90▼ −1.55%▼ −1.81%$1,486.60 (−4.83%)
May 27, 2026
13d ago
Insider Cluster
NEUTRAL ★ 3/10
$1,632.36 $1,562.07▼ −4.31%▼ −4.55%$1,486.60 (−8.93%)
May 27, 2026
13d ago
Insider Cluster
NEUTRAL ★ 2/10
$1,632.36 $1,562.07▼ −4.31%▼ −4.55%$1,486.60 (−8.93%)
May 21, 2026
20d ago
Insider Cluster
NEUTRAL ★ 3/10
$1,553.55 $1,588.88▲ +2.27%▲ +1.83%$1,486.60 (−4.31%)
May 20, 2026
20d ago
Insider Cluster
NEUTRAL ★ 3/10
$1,553.55 $1,588.88▲ +2.27%▲ +1.83%$1,486.60 (−4.31%)
May 8, 2026
4w ago
Insider Cluster
NEUTRAL ★ 2/10
$1,653.69 $1,592.75▼ −3.69%▼ −3.55%$1,486.60 (−10.10%)
May 8, 2026
4w ago
Insider Cluster
NEUTRAL ★ 3/10
$1,653.69 $1,592.75▼ −3.69%▼ −3.55%$1,486.60 (−10.10%)
Showing 10 of 22

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