This insider cluster is economically trivial at 0.015% of market cap and the COO's trade is a routine cashless exercise pattern (same-day exercise-and-sell). No bearish signal. Monitor for any upcoming clinical data readouts or pipeline catalysts that could move the stock, but this filing has no standalone trading implication.
Price Chart
Executive Summary
Two senior insiders at Disc Medicine (IRON) — the COO and Chief Legal Officer — sold a combined $466K in open-market sales over a 7-day window. The COO's sale was a same-day exercise-and-sell of options, a routine cashless exercise pattern. The CLO's $400K sale is the larger trade. At a $3.1B market cap, these sales represent ~0.015% of market cap, well below the 0.1% threshold for materiality. The cluster is small in dollar terms and the COO's trade is mechanically tied to option exercise, not a discretionary bearish signal.
Key Financial Metrics
Key Facts
- COO Yu Jonathan Yen-Wen sold 804 shares at $82.64 for $66K, same-day exercise of 804 options at $13.50 and $0 (cashless exercise pattern)
- CLO Khara Rahul sold 5,000 shares at $80.00 for $400K on 2026-08-06
- Total cluster value: $466K, representing ~0.015% of $3.1B market cap
- Both trades are open-market sales (code S); no open-market purchases in the cluster
- Historical performance on IRON shows strong win rate (75% T+20) and positive avg alpha (+4.63% T+20), but this cluster is too small to be informative
Financial Impact
Total insider sales of $466K represent ~0.015% of $3.1B market cap — trivial and routine
Risk Factors
- Insider sales are small and routine — no material risk signal
- COO's sale is mechanically tied to option exercise, not discretionary
- CLO's $400K sale could be diversification or tax planning, not bearish conviction
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-1786752800568 |
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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