Insider sales are routine in dollar terms and below the 0.1% proportionality threshold, making a bearish interpretation unwarranted. The C-suite breadth likely reflects a common trading-window opening rather than a shared negative view. Monitor upcoming quarterly filing for any guidance changes, but no immediate catalyst is signaled by this cluster.
Price Chart
Executive Summary
6 Diodes insiders, including the CEO, CTO, and SVP-level executives, collectively sold $1.95M in open-market shares over a 5-day window. Sales were concentrated at ~$107-110, near recent highs, and no open-market purchases occurred. At 0.04% of the $4.8B market cap, the cluster is small in proportionality, but the breadth across C-suite and the absence of buys suggests a coordinated window of opportunity rather than a directional signal.
Key Financial Metrics
Key Facts
- 6 insiders sold $1.95M total in open-market sales; zero open-market purchases in the cluster
- CEO Yu Gary sold $400K, CTO Tang Francis sold $997K total across two days, SVP Yang sold $545K across two days
- Cluster represents 0.04% of DIOD's $4.8B market cap — below the 0.1% triviality threshold
- Sales clustered around May 26-27, likely aligned with a common post-blackout window opening
- No 10b5-1 pattern evident in the irregular sizing and dates
- Recent insider activity trend (30d): 8 sells totaling $2.6M, consistent with this cluster
Financial Impact
Total insider open-market sales of $1.95M, representing approximately 0.04% of DIOD's $4.8B market capitalization
Risk Factors
- CEO and CTO selling concurrently may raise market perception concerns despite small dollar amounts
- If next earnings show a miss, these sales could be retrospectively viewed as prescient
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-1780336206496 |
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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