The simultaneous open-market selling by the CEO, President/R&D/CMO, GC, and CSBO without 10b5-1 plan disclosure is a bearish signal. Monitor for upcoming clinical data readouts or operational updates that may have prompted this coordinated exit.
Price Chart
Executive Summary
Four top insiders at Maze Therapeutics—CEO, President/R&D/CMO, GC, and CSBO—collectively sold ~$601K in open-market sales over a two-day window (Sep 2-3, 2026). The CEO alone accounted for ~$293K of the total. These are all open-market sales (code S) with no 10b5-1 plan indication, concentrated at the C-suite level, representing ~0.18% of the company's market cap. The cluster is modest in size relative to market cap but notable for the breadth of senior leadership participation.
Key Financial Metrics
Key Facts
- CEO Jason Coloma sold 11,282 shares for ~$293K on Sep 3, 2026
- President/R&D/CMO Harold Bernstein sold 5,130 shares for ~$133K on Sep 3, 2026
- GC Courtney Phillips sold 1,990 shares for ~$52K on Sep 3, 2026
- CSBO Atul Dandekar sold 3,207 shares for ~$83K on Sep 3, 2026
- Total cluster value ~$601K, all open-market sales (code S), no 10b5-1 plan indicated
- Cluster represents ~0.18% of market cap (~$326M)
Financial Impact
~$601K in insider selling over two days, ~0.18% of market cap
Risk Factors
- Coordinated C-suite selling may indicate undisclosed negative developments
- No 10b5-1 plan disclosed, suggesting discretionary selling
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-MAZE-1788898880563 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 16, 2026 9d ago | 8-K | $29.70 | awaiting T+5 | — | $31.50 (+6.06%) |
Oct 2, 2026 24d ago | Insider Cluster | $26.43 $27.70 | ▼ −4.81% | ▼ −4.38% | $31.50 (−19.18%) |
Oct 1, 2026 24d ago | 144 | $26.43 $27.11 | ▲ +2.57% | ▲ +1.41% | $31.50 (+19.18%) |
Sep 8, 2026 6w ago | Insider Cluster | $24.58 $23.92 | ▲ +2.71% | ▲ +1.61% | $31.50 (−28.15%) |
Sep 4, 2026 7w ago | Insider Cluster | $26.37 $24.23 | ▼ −8.12% | ▼ −7.00% | $31.50 (+19.45%) |
Sep 4, 2026 7w ago | Insider Cluster | $26.37 $24.23 | ▼ −8.12% | ▼ −7.00% | $31.50 (+19.45%) |
Sep 3, 2026 7w ago | Insider Cluster | $26.21 $24.67 | ▼ −5.88% | ▼ −4.67% | $31.50 (+20.18%) |
Sep 2, 2026 7w ago | 144 | $25.87 $24.60 | ▼ −4.91% | ▼ −3.76% | $31.50 (+21.76%) |
Sep 1, 2026 7w ago | 144 | $26.72 $24.82 | ▼ −7.11% | ▼ −6.15% | $31.50 (+17.89%) |
Aug 17, 2026 9w ago | 3 | $29.13 $30.42 | ▲ +4.43% | ▲ +4.63% | $31.50 (+8.14%) |
US Market Status
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