This cluster is too small to move the stock — ignore for directional trading. Monitor the next 10-Q for any structural business deterioration, but this insider activity alone provides no actionable signal. The CEO's sale is consistent with prior 30-day selling patterns and likely reflects diversification rather than bearish conviction.
Price Chart
Executive Summary
CEO Gary Yu and SVP Emily Yang collectively sold $593K of DIOD stock in a 7-day window. The CEO's open-market sale of $400K at $110.08 represents the bulk of the cluster, with an additional tax-withholding transaction for $64K. The total cluster value is only 0.012% of DIOD's $5.0B market cap — well below the 0.1% materiality threshold — making this a trivial liquidity-driven event with no informational edge.
Key Financial Metrics
Key Facts
- CEO Yu Gary sold 3,632 shares open-market for $399,811 at $110.08 on 2026-05-27
- CEO also surrendered 592 shares for tax withholding ($64,078 at $108.24) — $0 economic signal
- SVP Emily Yang sold 2,000 shares at $96.81 for $193,621 on 2026-05-20
- Total cluster value of $593K is 0.012% of DIOD's $5.0B market cap
- 30-day prior insider activity shows 7 sells totaling $3.5M — CEO's sale continues a routine pattern
- DIOD has 80% analyst bullish consensus with 3 Strong Buy, 5 Buy ratings
Financial Impact
Total insider sales of $593K represent 0.012% of market cap, below the 0.1% routine threshold. No material dollar impact.
Risk Factors
- No material risk from this filing — insider sales are sub-threshold and routine
- If broader semiconductor demand weakens, management's continued selling pattern could be watched for escalation
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-1779919467209 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 18, 2026 6w ago | 8-K | $94.32 $90.27 | ▼ −4.29% | ▼ −2.78% | $103.84 (+10.09%) |
Aug 15, 2026 6w ago | Institutional Cluster | $107.56 $90.27 | ▼ −16.07% | ▼ −14.10% | $103.84 (−3.46%) |
Jul 28, 2026 9w ago | 8-K | $76.09 $90.54 | ▲ +18.99% | ▲ +13.97% | $103.84 (+36.47%) |
Jul 14, 2026 11w ago | 8-K | $95.13 $103.15 | ▲ +8.43% | ▲ +5.94% | $103.84 (+9.16%) |
Jun 1, 2026 17w ago | Insider Cluster | $101.96 $109.44 | ▲ +7.34% | ▲ +8.63% | $103.84 (+1.84%) |
May 27, 2026 18w ago | Insider Cluster | $109.89 $104.14 | ▲ +5.23% | ▲ +2.09% | $103.84 (+5.51%) |
May 27, 2026 18w ago | Insider Cluster | $109.89 $104.14 | ▼ −5.23% | ▼ −2.09% | $103.84 (−5.51%) |
May 21, 2026 19w ago | Insider Cluster | $96.30 $123.38 | ▲ +28.12% | ▲ +27.79% | $103.84 (+7.83%) |
May 19, 2026 19w ago | Insider Cluster | $93.75 $108.80 | ▼ −16.05% | ▼ −15.07% | $103.84 (−10.76%) |
May 12, 2026 20w ago | 8-K | $101.96 $106.84 | ▲ +4.79% | ▲ +5.40% | $103.84 (+1.84%) |
US Market Status
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