Insider Cluster (2 insiders) ·Filed Sep 4, 2026
Insider cluster: 2 insiders, $491K total
Actionable Insight • Neutral
Monitor for any upcoming corporate events (earnings, press releases) that might explain the selling. Further insider selling by 10% owners could signal reduced conviction, but this standalone cluster is routine.
Latest settled — T+20d ⚠ clustered
CATX ▼ -24.36% at T+20d
NEUTRAL call -24.36% · α vs SPY -26.07% · entry $3.12 → $2.36
Latest observation: T+34 -61.23% FF3 residual α
T+1d
-4.17%
call -4.17% · α -3.70%
$2.99
settled 7w ago
T+5d
-12.50%
call -12.50% · α -11.38%
$2.73
settled 6w ago
T+20d
-24.36%
call -24.36% · α -26.07%
$2.36
settled 22d ago
T+60d
Pending
in 5w
Price Chart
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Executive Summary
Two 10% owner entities (Lantheus Holdings and Lantheus Alpha Therapy) sold a combined $491K of CATX shares over two days. The total represents ~0.14% of market cap, a modest amount with no C-suite involvement, making this a routine liquidity-driven cluster.
Key Financial Metrics
Direction
selling
Total Value
$491.0K
Insiders
2
Key Facts
- Lantheus Holdings, Inc. sold 78,145 shares at $3.14 on 2026-08-31 ($246K).
- Lantheus Alpha Therapy, LLC sold 78,145 shares at $3.14 on 2026-08-31 ($246K).
- Total cluster value: $491K, representing ~0.14% of CATX's $356M market cap.
- Both sellers are 10% owners; no C-suite executives participated.
Financial Impact
Modest insider selling of $491K, ~0.14% of market cap.
dilution
Risk Factors
- Continued insider selling by major holders could pressure the stock.
- No C-suite buying to offset the selling pattern.
Market Snapshot
Exchange
NYSE
Sector
Pharmaceutical Preparations
Analyst Consensus
90% bullish (20 analysts)
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-CATX-1788555693432 |
24 reports for CATX
33% Hit rate @ T+20 Went positive at some point 3 of 5 best @ T+60▲ +5.76%
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 23, 2026 3d ago | 8-K | $1.61 | awaiting T+20 | — | $1.21 (−24.84%) |
Oct 8, 2026 19d ago | 8-K | $2.71 | awaiting T+20 | — | $1.21 (−55.35%) |
Oct 2, 2026 24d ago | Press Release | $2.76 | awaiting T+20 | — | $1.21 (−56.16%) |
Sep 14, 2026 6w ago | 8-K | $2.92 $2.52 | ▼ −13.70% | ▼ −15.96% | $1.21 (−58.56%) |
Sep 11, 2026 6w ago | Press Release | $2.81 $2.66 | ▼ −5.34% | ▼ −7.21% | $1.21 (−56.94%) |
Sep 8, 2026 6w ago | Insider Cluster | $2.99 $2.46 | ▼ −17.73% | ▼ −19.67% | $1.21 (−59.53%) |
Sep 4, 2026 7w ago | Insider Cluster | $3.12 $2.36 | ▼ −24.36% | ▼ −26.07% | $1.21 (−61.22%) |
Sep 4, 2026 7w ago | Insider Cluster | $3.12 $2.36 | ▼ −24.36% | ▼ −26.07% | $1.21 (−61.22%) |
Aug 10, 2026 11w ago | 8-K | $3.18 $2.99 | ▼ −5.97% | ▼ −4.92% | $1.21 (−61.95%) |
Jul 17, 2026 14w ago | Press Release | $2.99 $3.20 | ▲ +7.02% | ▲ +2.58% | $1.21 (−59.53%) |
Showing 10 of 24
US Market Status
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