The cluster is routine in size and pattern. Maduck's sales follow option exercises, likely for tax or diversification purposes. No bearish signal — monitor next 8-K or earnings for any material business update, but this filing alone does not warrant action.
Price Chart
Executive Summary
Two Corcept Therapeutics insiders sold a total of ~$3.9M in open-market shares on May 27, 2026, while a director gifted 892K shares (non-cash) and an executive exercised options. The open-market sales represent ~0.05% of the $7.3B market cap, falling below the 0.1% materiality threshold, and are likely liquidity-driven following option exercises rather than a bearish signal.
Key Financial Metrics
Key Facts
- Sean Maduck (See Remarks) sold 54,575 shares at ~$65.37 for $3.57M after exercising 150,000 options (75,000 at $0 and 75,000 at $8.27).
- Joseph Douglas Lyon (See Remarks) sold 5,000 shares at $65.00 for $325,000.
- Director James N. Wilson gifted 892,056 shares at $0 (non-cash transaction).
- Total open-market sales of $3.89M represent ~0.05% of CORT's $7.3B market cap.
- All trades occurred on the same day (May 27, 2026), consistent with a shared blackout-window opening or vesting event.
Financial Impact
Open-market sales of $3.89M, or ~0.05% of market cap — trivial relative to company size.
Risk Factors
- Insider sales could accelerate if the stock continues to appreciate, but no evidence of coordinated bearish view.
- Gift of 892K shares by director Wilson may precede a 10b5-1 plan or estate planning — not a sell signal.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-CORT-1780092812943 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 28, 2026 5w ago | Insider Cluster | $113.88 $115.63 | ▲ +1.54% | ▲ +1.28% | $116.49 (+2.29%) |
Aug 28, 2026 5w ago | Insider Cluster | $113.88 $116.10 | ▲ +1.95% | ▲ +1.44% | $116.49 (+2.29%) |
Aug 27, 2026 5w ago | Insider Cluster | $116.93 $117.00 | ▲ +0.06% | ▲ +0.16% | $116.49 (−0.38%) |
Aug 20, 2026 6w ago | Insider Cluster | $121.05 $114.86 | ▼ −5.11% | ▼ −5.11% | $116.49 (−3.77%) |
Aug 18, 2026 6w ago | Insider Cluster | $118.10 $111.85 | ▲ +5.29% | ▲ +4.30% | $116.49 (+1.36%) |
Aug 12, 2026 7w ago | Insider Cluster | $112.18 $114.92 | ▲ +2.44% | ▲ +4.34% | $116.49 (+3.84%) |
Aug 12, 2026 7w ago | Insider Cluster | $112.18 $114.92 | ▲ +2.44% | ▲ +4.34% | $116.49 (+3.84%) |
Aug 6, 2026 8w ago | Insider Cluster | $110.77 $111.62 | ▲ +0.77% | ▲ +1.16% | $116.49 (+5.16%) |
Aug 5, 2026 8w ago | Insider Cluster | $107.95 $112.80 | ▲ +4.49% | ▲ +3.89% | $116.49 (+7.91%) |
Jul 23, 2026 10w ago | Court Ruling | $96.66 $121.05 | ▲ +25.23% | ▲ +21.92% | $116.49 (+20.52%) |
US Market Status
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