ACOG: Alpha Cognition Inc. insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
5 open-market buys totaling $745K and 0 sales totaling - in the last 180 days.
Insider buys
| Score | Ticker | Company | Insider | Role | Trade date | Value | Holding + | Cluster |
|---|---|---|---|---|---|---|---|---|
| 28 | ACOG | Alpha Cognition Inc. | Opaleye Management Inc. | 10% Owner | 2026-10-16 | $118K | 0% | |
| 29 | ACOG | Alpha Cognition Inc. | Opaleye Management Inc. | 10% Owner | 2026-10-15 | $191K | 1% | |
| 28 | ACOG | Alpha Cognition Inc. | Opaleye Management Inc. | 10% Owner | 2026-10-01 | $166K | 1% | |
| 27 | ACOG | Alpha Cognition Inc. | Opaleye Management Inc. | 10% Owner | 2026-09-25 | $114K | 0% | |
| 28 | ACOG | Alpha Cognition Inc. | Opaleye Management Inc. | 10% Owner | 2026-09-24 | $157K | 1% |
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-09-23 | New 13G stake | Manchester Management Company, LLC | 7.40% | SEC |
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