The sales are immaterial in size and involve only 10% owner entities, not C-suite. No read-through for business fundamentals. Monitor for larger dispositions by Lantheus, which could signal changing strategic interest, but the current cluster is noise.
Price Chart
Executive Summary
Two 10% owner entities (Lantheus Holdings, Inc. and Lantheus Alpha Therapy, LLC) sold a combined ~$243K in open-market transactions over two days. The dollar value is trivial relative to CATX's $356M market cap (~0.07%), and no C-suite insiders participated, making this a routine liquidity-driven event with no material signal.
Key Financial Metrics
Key Facts
- Two 10% owner entities (Lantheus Holdings, Inc. and Lantheus Alpha Therapy, LLC) sold shares in open-market transactions on Sep 1-2, 2026
- Total sales value: ~$243K (~0.07% of $356M market cap)
- No C-suite insiders traded — all sellers are 10% owner affiliates
- Lantheus Alpha Therapy also sold additional shares on Aug 31 (not included in the primary filing window total), bringing the broader 7-day Lantheus entity total to ~$845K
Financial Impact
~$243K in open-market sales by 10% owners, or ~0.07% of market cap
Risk Factors
- Lantheus entities are a large holder — sustained selling would be more significant
- Historical insider selling over 30d totals $846K, adding modest context but still small relative to market cap
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-CATX-1788588343778 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 23, 2026 4d ago | 8-K | $1.61 | awaiting T+20 | — | $1.19 (−26.09%) |
Oct 8, 2026 19d ago | 8-K | $2.71 | awaiting T+20 | — | $1.19 (−56.09%) |
Oct 2, 2026 25d ago | Press Release | $2.76 | awaiting T+20 | — | $1.19 (−56.88%) |
Sep 14, 2026 6w ago | 8-K | $2.92 $2.52 | ▼ −13.70% | ▼ −15.96% | $1.19 (−59.25%) |
Sep 11, 2026 6w ago | Press Release | $2.81 $2.66 | ▼ −5.34% | ▼ −7.21% | $1.19 (−57.65%) |
Sep 8, 2026 7w ago | Insider Cluster | $2.99 $2.46 | ▼ −17.73% | ▼ −19.67% | $1.19 (−60.20%) |
Sep 4, 2026 7w ago | Insider Cluster | $3.12 $2.36 | ▼ −24.36% | ▼ −26.07% | $1.19 (−61.86%) |
Sep 4, 2026 7w ago | Insider Cluster | $3.12 $2.36 | ▼ −24.36% | ▼ −26.07% | $1.19 (−61.86%) |
Aug 10, 2026 11w ago | 8-K | $3.18 $2.99 | ▼ −5.97% | ▼ −4.92% | $1.19 (−62.58%) |
Jul 17, 2026 14w ago | Press Release | $2.99 $3.20 | ▲ +7.02% | ▲ +2.58% | $1.19 (−60.20%) |
US Market Status
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