The insider sales are routine and non-informative given the small proportional size and the CEO's single transaction. Monitor for any upcoming clinical catalysts or earnings that could move the stock, but this cluster does not warrant a bearish read-through. The strong institutional accumulation and bullish analyst consensus support a neutral near-term outlook.
Price Chart
Executive Summary
Two C-suite insiders at Disc Medicine (IRON) sold a total of $681K in open-market sales over a one-week window, with CEO John Quisel selling $656K and COO Jonathan Yu selling $25K. Yu also exercised and sold shares from options at ~$83, near the stock's current price. The cluster is modest relative to the $3.2B market cap (~0.02%), and the sales are likely liquidity-driven given the CEO's single large sale and the COO's option-exercise pattern, not a bearish signal on fundamentals. The company has a 95% bullish analyst consensus and strong institutional accumulation, suggesting the insider activity is routine and non-informative.
Key Financial Metrics
Key Facts
- CEO John Quisel sold 8,400 shares for $656K on 2026-08-17.
- COO Jonathan Yu sold 300 shares for $25K on 2026-08-24, following option exercises.
- Total open-market sales of $681K represent ~0.02% of IRON's $3.2B market cap.
- Yu's sales are part of a typical option-exercise-and-sell pattern, not a standalone bearish signal.
- Institutional ownership is strong with Fidelity, BlackRock, and Ra Capital as top holders, and recent 13F shows 9 adds and 5 doubled positions.
Financial Impact
Total insider sales of $681K, or ~0.02% of market cap — immaterial relative to company size.
Risk Factors
- Insider sales, while small, could precede a broader sell-off if negative clinical data emerges.
- The stock is in the pharmaceutical sector, where binary trial results can cause large moves independent of insider activity.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-IRON-1787789468488 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 10, 2026 22d ago | 8-K | $74.14 $69.18 | ▼ −6.69% | ▼ −6.19% | $64.48 (−13.03%) |
Sep 9, 2026 22d ago | Press Release | $74.14 $69.18 | ▼ −6.69% | ▼ −6.19% | $64.48 (−13.03%) |
Sep 3, 2026 28d ago | Insider Cluster | $79.23 $68.92 | ▲ +13.01% | ▲ +11.80% | $64.48 (+18.62%) |
Sep 2, 2026 29d ago | 144 | $79.37 $70.06 | ▼ −11.73% | ▼ −10.58% | $64.48 (−18.76%) |
Aug 27, 2026 5w ago | Insider Cluster | $82.55 $79.37 | ▼ −3.85% | ▼ −4.12% | $64.48 (−21.89%) |
Aug 18, 2026 6w ago | Insider Cluster | $80.32 $82.67 | ▲ +2.93% | ▲ +3.31% | $64.48 (−19.72%) |
Aug 14, 2026 6w ago | Insider Cluster | $80.05 $80.94 | ▲ +1.11% | ▲ +2.30% | $64.48 (−19.45%) |
Jul 30, 2026 9w ago | 8-K | $79.21 $77.44 | ▼ −2.23% | ▼ −5.86% | $64.48 (−18.60%) |
Jul 30, 2026 9w ago | Press Release | $79.21 $77.44 | ▼ −2.23% | ▼ −5.86% | $64.48 (−18.60%) |
Jul 14, 2026 11w ago | Insider Cluster | $76.02 $74.32 | ▼ −2.24% | ▼ −1.26% | $64.48 (−15.18%) |
US Market Status
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