Monitor for any future conversion to a Schedule 13D or increase in stake above 10%, which would signal a more active posture. The Manchester group's passive filing is routine and unlikely to drive near-term price action.
Price Chart
Executive Summary
Manchester Management Company, LLC and related entities filed a Schedule 13G disclosing a 6.9% passive stake in Alpha Cognition Inc. as of July 14, 2026. This is a new filing (not an amendment) by the Manchester group, which previously filed under a different filer (Opaleye). The stake is modest at 6.9% and explicitly passive, with no intent to influence control.
Key Financial Metrics
Key Facts
- Manchester Management Company, LLC and related entities filed a new Schedule 13G on September 23, 2026, reporting beneficial ownership as of July 14, 2026.
- Manchester Management Company, LLC directly owns 1,524,255 shares (6.9% of common stock).
- James E. Besser is deemed to beneficially own 1,639,255 shares (7.4%), including 115,000 shares held directly.
- The filing certifies the securities were not acquired and are not held for the purpose of changing or influencing control of the issuer.
- This is a new filing by the Manchester group; prior passive stakes in the cross-filing context were filed by Opaleye Management Inc., a different filer.
Financial Impact
Passive stake of 6.9% of common stock; no transaction value disclosed.
Risk Factors
- Passive filing — no indication of activist intent or catalyst.
- Small-cap biotech with limited liquidity; large passive positions can still influence trading dynamics.
Investment Themes
Documents Analyzed
This report is based on 4 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13G Filing (Primary) | 0000919574-26-006448 |
| Document: 0000919574-26-006448-index-headers.html | 0000919574-26-006448 |
| Document: 0000919574-26-006448-index.html | 0000919574-26-006448 |
| Document: 0000919574-26-006448.txt | 0000919574-26-006448 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 28, 2026 28d ago | Insider Buy | $8.71 $8.98 | ▲ +3.10% | ▲ +1.15% | $8.30 (−4.71%) |
Sep 23, 2026 4w ago | SC 13G | $8.57 $8.70 | ▲ +1.52% | ▲ +1.93% | $8.30 (−3.15%) |
Sep 16, 2026 5w ago | Insider Buy | $8.85 $8.57 | ▼ −3.16% | ▼ −3.76% | $8.30 (−6.21%) |
Aug 24, 2026 9w ago | Insider Buy | $9.75 $9.27 | ▼ −4.92% | ▼ −5.39% | $8.30 (−14.87%) |
May 19, 2026 22w ago | Insider Cluster | $5.89 $5.94 | ▲ +0.85% | ▼ −0.95% | $8.30 (+40.92%) |
Apr 20, 2026 27w ago | 8-K | $6.88 $6.20 | ▼ −9.88% | ▼ −10.97% | $8.30 (+20.64%) |
Apr 14, 2026 27w ago | 8-K | $6.75 $6.99 | ▲ +3.56% | ▲ +1.92% | $8.30 (+22.96%) |
US Market Status
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