This is an exceptionally strong insider buy signal — a cluster buy from the CEO, CFO, CMO, a director, and the largest 10% owner all on the same day, with the 10% owner's purchase alone representing 2.3% of market cap. Per the academic literature, cluster buys (especially C-suite) are strongly predictive of positive abnormal returns. The 5AM Partners purchase at $1.53 is particularly notable given their insider status and the size relative to the float. Traders should watch for a potential catalyst (pipeline update, partnership, or financing) given the coordinated timing. The historical win rate on CAMP is 44% at T+20, but the magnitude and structure of this cluster warrant a high-conviction bullish read.
Price Chart
Executive Summary
Five Camp4 Therapeutics insiders, including the CEO, CFO, CMO, a director, and the largest 10% owner (5AM Partners), made open-market purchases totaling ~$4.92M on August 3, 2026. The 5AM Partners purchase of 3.18M shares at $1.53 accounts for ~$4.86M of the total, representing ~2.3% of the company's $216M market cap — a highly material cluster buy that signals strong conviction from the company's largest shareholder and the entire C-suite.
Key Financial Metrics
Key Facts
- 5 insiders purchased a total of ~3.22M shares for ~$4.92M in open-market transactions on August 3, 2026.
- 5AM Partners VI, LLC (10% owner) purchased 3.18M shares at $1.53 for ~$4.86M, representing ~2.3% of market cap.
- CEO Mandel-Brehm, CFO Gold, CMO Maricich, and Director Young each purchased ~6.6K–16.4K shares at $1.65.
- All purchases were open-market (code P) — not option exercises or grants.
- The cluster represents ~2.3% of the $216M market cap, exceeding the >2% threshold for highly material insider buying.
Financial Impact
Insider cluster of $4.92M in open-market purchases, representing ~2.3% of market cap.
Risk Factors
- The 5AM Partners purchase dominates the cluster (99% of dollar value) — the smaller insider purchases are modest in absolute terms.
- CAMP is a pre-revenue biotech; insider buying at distressed prices can reflect a desire to signal confidence rather than fundamental improvement.
- Historical T+20 performance on CAMP reports is mixed (44% win rate, -1.78% avg return) — prior bullish calls have not consistently paid off.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-CAMP-1785967275302 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 10, 2026 22d ago | Press Release | $4.34 $4.03 | ▼ −7.14% | ▼ −6.64% | $3.73 (−13.95%) |
Sep 2, 2026 29d ago | Insider Cluster | $4.49 $4.25 | ▼ −5.35% | ▼ −4.20% | $3.73 (−16.83%) |
Aug 21, 2026 6w ago | Insider Cluster | $4.48 $4.15 | ▲ +7.37% | ▲ +7.84% | $3.73 (+16.64%) |
Aug 13, 2026 7w ago | EFFECT | $4.50 $4.45 | ▼ −1.11% | ▲ +0.85% | $3.73 (−17.01%) |
Aug 5, 2026 8w ago | Insider Cluster | $4.50 $4.50 | · 0.00% | ▼ −1.21% | $3.73 (−17.01%) |
Aug 5, 2026 8w ago | Insider Cluster | $4.50 $4.50 | · 0.00% | ▼ −1.21% | $3.73 (−17.01%) |
Jul 27, 2026 9w ago | 8-K | $3.42 $3.45 | ▲ +0.88% | ▼ −0.20% | $3.73 (+9.20%) |
Jun 19, 2026 14w ago | Press Release | $4.20 $4.20 | · 0.00% | ▲ +2.07% | $3.73 (−11.08%) |
Jun 12, 2026 15w ago | 8-K | $3.96 $4.20 | ▲ +6.06% | ▲ +7.44% | $3.73 (−5.69%) |
Jun 11, 2026 16w ago | Institutional Cluster | $4.22 $4.14 | ▼ −1.90% | ▼ −2.33% | $3.73 (−11.50%) |
US Market Status
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