The $5.04M in open-market insider purchases by two significant holders is a strong bullish signal, especially in a biotech where insider buys are rare. Monitor for upcoming press releases, clinical data, or partnership announcements that may have motivated this buying. The large derivative conversions suggest a restructuring of ownership but do not dilute the open-market signal.
Price Chart
Executive Summary
Two insiders at Latigo Biotherapeutics, a director/10% owner and a 10% owner, purchased a combined 280,000 shares for $5.04M in open-market buys on August 10, 2026. This cluster of cash purchases by significant holders, alongside a large volume of non-cash derivative conversions by the same insiders, signals strong conviction in the company's prospects near the $18 stock price. The $5.04M in open-market buying is a material signal for a biotech, warranting close attention for upcoming catalysts or news.
Key Financial Metrics
Key Facts
- Director/10% owner James B. Tananbaum purchased 140,000 shares at $18.00 for $2.52M.
- 10% owner Foresite Capital Management V, LLC purchased 140,000 shares at $18.00 for $2.52M.
- Total open-market purchases in the cluster: $5.04M.
- Multiple non-cash derivative conversions (code C) by Tananbaum, Foresite, and director Beth C. Seidenberg also occurred on the same date, totaling millions of shares at $0.
- The cluster follows a prior 30-day insider buy of $2.5M, suggesting sustained insider accumulation.
Financial Impact
Insiders purchased $5.04M of stock at $18.00 per share in open-market transactions.
Risk Factors
- The derivative conversions (code C) by the same insiders could indicate a broader capital structure change or pre-arranged transaction, potentially diluting the open-market buy signal.
- Biotech stocks are binary and high-risk; insider buying does not guarantee positive clinical outcomes.
- The company is likely pre-revenue, making valuation dependent on pipeline progress.
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-LTGO-1786410075052 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 3, 2026 7w ago | Press Release | $23.04 $23.73 | ▲ +2.99% | ▲ +3.54% | $15.23 (−33.90%) |
Aug 12, 2026 10w ago | 3 | $19.38 $20.06 | ▲ +3.54% | ▲ +2.84% | $15.23 (−21.39%) |
Aug 10, 2026 11w ago | Insider Cluster | $18.52 $19.38 | ▲ +4.62% | ▲ +4.37% | $15.23 (−17.76%) |
Aug 10, 2026 11w ago | Insider Cluster | $18.52 $19.38 | ▲ +4.62% | ▲ +4.37% | $15.23 (−17.76%) |
Aug 10, 2026 11w ago | Insider Cluster | $18.52 $19.38 | ▲ +4.62% | ▲ +4.37% | $15.23 (−17.76%) |
Aug 10, 2026 11w ago | Insider Cluster | $18.52 $19.38 | ▲ +4.62% | ▲ +4.37% | $15.23 (−17.76%) |
Aug 10, 2026 11w ago | 8-K | $18.52 $19.38 | ▲ +4.62% | ▲ +4.37% | $15.23 (−17.76%) |
Aug 7, 2026 11w ago | EFFECT | $18.25 $18.56 | ▲ +1.70% | ▲ +1.73% | $15.23 (−16.55%) |
Aug 6, 2026 11w ago | 3 | $18.25 $18.56 | ▲ +1.70% | ▲ +1.73% | $15.23 (−16.55%) |
Aug 6, 2026 11w ago | 3 | $18.25 $18.56 | ▲ +1.70% | ▲ +1.73% | $15.23 (−16.55%) |
US Market Status
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