The cluster buy from a director and a 10% owner, combined with derivative conversions by major venture backers, suggests insider confidence near the current price. Monitor for upcoming pipeline catalysts (e.g., clinical data readouts) or M&A interest. The $18.00 level may act as a support floor given insider buying.
Price Chart
Executive Summary
Two insiders at Latigo Biotherapeutics (LTGO) made open-market purchases totaling $5.04M at $18.00/share on August 10, 2026, representing ~0.46% of the $1.1B market cap. This cluster buy is amplified by the simultaneous conversion of derivative securities by venture backers (5AM Ventures, Westlake BioPartners) and directors, signaling insider conviction ahead of a potential catalyst. The purchases are modest relative to market cap but carry weight as a C-suite-adjacent cluster buy from a director and a 10% owner.
Key Financial Metrics
Key Facts
- Director James B. Tananbaum bought 140,000 shares at $18.00 for $2.52M on 2026-08-10.
- Foresite Capital Management V, LLC (10% Owner) bought 140,000 shares at $18.00 for $2.52M on 2026-08-10.
- Total open-market purchases: $5.04M, representing ~0.46% of LTGO's $1.1B market cap.
- On the same day, venture backers (5AM Ventures, Westlake BioPartners) and directors converted derivative securities (non-cash transactions).
- No 10b5-1 plan or regular pattern identified in the purchase dates/sizes.
Financial Impact
Insider purchases of $5.04M at $18.00/share, ~0.46% of market cap.
Risk Factors
- Biotech clinical-stage risk — no approved products or revenue; pipeline failure could erase value.
- Insider purchases are modest relative to market cap (~0.46%) and may not signal a near-term catalyst.
- Venture backers converting derivatives could precede future share sales, creating overhang.
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-LTGO-1786611905717 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 3, 2026 7w ago | Press Release | $23.04 $23.73 | ▲ +2.99% | ▲ +3.54% | $15.26 (−33.77%) |
Aug 12, 2026 10w ago | 3 | $19.38 $20.06 | ▲ +3.54% | ▲ +2.84% | $15.26 (−21.24%) |
Aug 10, 2026 11w ago | Insider Cluster | $18.52 $19.38 | ▲ +4.62% | ▲ +4.37% | $15.26 (−17.60%) |
Aug 10, 2026 11w ago | Insider Cluster | $18.52 $19.38 | ▲ +4.62% | ▲ +4.37% | $15.26 (−17.60%) |
Aug 10, 2026 11w ago | Insider Cluster | $18.52 $19.38 | ▲ +4.62% | ▲ +4.37% | $15.26 (−17.60%) |
Aug 10, 2026 11w ago | Insider Cluster | $18.52 $19.38 | ▲ +4.62% | ▲ +4.37% | $15.26 (−17.60%) |
Aug 10, 2026 11w ago | 8-K | $18.52 $19.38 | ▲ +4.62% | ▲ +4.37% | $15.26 (−17.60%) |
Aug 7, 2026 11w ago | EFFECT | $18.25 $18.56 | ▲ +1.70% | ▲ +1.73% | $15.26 (−16.38%) |
Aug 6, 2026 11w ago | 3 | $18.25 $18.56 | ▲ +1.70% | ▲ +1.73% | $15.26 (−16.38%) |
Aug 6, 2026 11w ago | 3 | $18.25 $18.56 | ▲ +1.70% | ▲ +1.73% | $15.26 (−16.38%) |
US Market Status
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