The mixed insider activity among 10% owners provides no clear directional signal. Monitor for upcoming corporate events (earnings, pipeline updates, capital raises) that might explain the divergence in views. The small dollar amounts relative to market cap suggest routine portfolio adjustments rather than informed trading.
Price Chart
Executive Summary
Three 10% owners at Boundless Bio traded in opposing directions within a 7-day window: Kevin Tang (10% owner) purchased $67K worth of shares, while Keith Crandell and Arch Venture Fund IX each sold $40K. Total insider activity of $147K is modest at 0.26% of the $56M market cap, and the mixed direction among large holders suggests no uniform insider view.
Key Financial Metrics
Key Facts
- Kevin Tang (10% owner) bought 27,062 shares at $2.49 for $67,384 on July 6, 2026.
- Keith Crandell (10% owner) sold 16,000 shares at $2.49 for $39,840 on July 1, 2026.
- Arch Venture Fund IX, L.P. (10% owner) sold 16,000 shares at $2.49 for $39,840 on July 1, 2026.
- Total cluster value: ~$147K, representing 0.26% of the $56M market cap.
- No C-suite executives participated; all trades were by 10% owners.
- No accompanying earnings, offering, or other material corporate filings were provided in the cross-filing context.
Financial Impact
Total insider activity of $147K (0.26% of market cap) is modest; no material financial impact.
Risk Factors
- Insider selling by two large holders could indicate concern about upcoming dilution or clinical setbacks.
- Insider buying by Kevin Tang may signal confidence in the company's pipeline, but the amount is small relative to his likely holdings.
- No C-suite participation reduces the signal strength of the cluster.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-BOLD-1783555599833 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 26, 2026 today | 425 | — | awaiting T+20 | — | — |
Oct 26, 2026 today | 425 | — | awaiting T+20 | — | — |
Oct 8, 2026 18d ago | S-4 | $2.53 | awaiting T+20 | — | $2.41 (+4.74%) |
Aug 28, 2026 8w ago | 425 / 8-K | $2.81 $2.56 | ▼ −8.90% | ▼ −8.53% | $2.41 (−14.23%) |
Jul 8, 2026 15w ago | Insider Cluster | $2.51 $2.84 | ▲ +13.15% | ▲ +10.91% | $2.41 (−3.98%) |
Jul 6, 2026 16w ago | Insider Cluster | $2.50 $2.71 | ▲ +8.20% | ▲ +5.04% | $2.41 (−3.60%) |
Jun 29, 2026 16w ago | 3 | $2.50 $2.48 | ▼ −0.80% | ▲ +0.23% | $2.41 (−3.60%) |
May 8, 2026 24w ago | 8-K | $1.44 $1.42 | ▼ −1.39% | ▼ −1.41% | $2.41 (+67.36%) |
May 8, 2026 24w ago | Press Release | $1.44 $1.42 | ▲ +1.39% | ▲ +1.41% | $2.41 (−67.36%) |
Apr 17, 2026 27w ago | Press Release | $1.60 $1.42 | ▼ −11.25% | ▼ −15.45% | $2.41 (+50.63%) |
US Market Status
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