The CFO sale is notable in isolation but at 0.036% of market cap it is dwarfed by the fundamental story. The strong Q1 beat and raised Q2 guidance, combined with the 3-year target of $2B revenue and $4.00+ non-GAAP EPS, create a bullish setup. Monitor for any follow-on insider sales exceeding 0.5% of market cap, but the current cluster is noise against the earnings momentum. The stock has rallied strongly post-earnings — the insider sales may reflect profit-taking after the run.
Price Chart
Executive Summary
CFO Brett Whitmire sold $1.71M in open-market shares on May 13, one day after Diodes reported a strong Q1 beat (revenue +22% YoY, non-GAAP EPS +126% YoY) and raised Q2 guidance. The CFO sale is the largest in the cluster at 0.036% of market cap, but the cluster is dominated by non-cash director grants and two smaller SVP/CTO sales, making the overall dollar value trivial relative to the $4.8B market cap. The strong earnings and raised guidance dominate the narrative, making the insider sales likely liquidity-driven post-blackout.
Key Financial Metrics
Key Facts
- Q1 2026 revenue $405.5M (+22.1% YoY), non-GAAP EPS $0.43 (+126% YoY from $0.19)
- Q2 2026 guidance: revenue ~$435M (+18.8% YoY), non-GAAP EPS ~$0.60
- CFO Brett Whitmire sold 16,556 shares at $103.34 for $1.71M on May 13
- SVP Tsong Andy sold 2,652 shares at $110 for $292K on May 12
- CTO Francis Tang sold 3,643 shares at $108 for $393K on May 12
- Five directors received non-cash stock grants totaling 18,000 shares on May 11
- Total insider sales of $2.4M represent 0.05% of $4.8B market cap — immaterial
- Fifth consecutive quarter of double-digit YoY revenue growth; highest since Q4 2021
Financial Impact
Q1 revenue beat by ~$10M vs guidance midpoint; non-GAAP EPS $0.43 vs $0.34 prior quarter; Q2 guidance implies 18.8% YoY revenue growth and continued margin expansion
Risk Factors
- Semiconductor cyclicality — demand recovery in automotive/industrial could slow
- Insider selling by CFO may signal caution on valuation at current levels (~$103)
- Guidance assumes continued sequential growth; any macro headwind could reverse trajectory
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-DIOD-1778709257328 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 18, 2026 6w ago | 8-K | $94.32 $90.27 | ▼ −4.29% | ▼ −2.78% | $104.74 (+11.05%) |
Aug 15, 2026 6w ago | Institutional Cluster | $107.56 $90.27 | ▼ −16.07% | ▼ −14.10% | $104.74 (−2.62%) |
Jul 28, 2026 9w ago | 8-K | $76.09 $90.54 | ▲ +18.99% | ▲ +13.97% | $104.74 (+37.65%) |
Jul 14, 2026 11w ago | 8-K | $95.13 $103.15 | ▲ +8.43% | ▲ +5.94% | $104.74 (+10.10%) |
Jun 1, 2026 17w ago | Insider Cluster | $101.96 $109.44 | ▲ +7.34% | ▲ +8.63% | $104.74 (+2.73%) |
May 27, 2026 18w ago | Insider Cluster | $109.89 $104.14 | ▲ +5.23% | ▲ +2.09% | $104.74 (+4.69%) |
May 27, 2026 18w ago | Insider Cluster | $109.89 $104.14 | ▼ −5.23% | ▼ −2.09% | $104.74 (−4.69%) |
May 21, 2026 19w ago | Insider Cluster | $96.30 $123.38 | ▲ +28.12% | ▲ +27.79% | $104.74 (+8.76%) |
May 19, 2026 19w ago | Insider Cluster | $93.75 $108.80 | ▼ −16.05% | ▼ −15.07% | $104.74 (−11.72%) |
May 12, 2026 20w ago | 8-K | $101.96 $106.84 | ▲ +4.79% | ▲ +5.40% | $104.74 (+2.73%) |
US Market Status
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