10% Owner Opaleye Management Buys Over $1 Million in Alpha Cognition Stock
ACOG sits 60% above its 52-week low of $3.75.
Summary
Opaleye Management Inc., a 10% owner of Alpha Cognition Inc., significantly increased its stake by purchasing over $1 million worth of common stock in open market transactions.
Key Events · Ownership and Investor Activity · ACOG
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Significant Insider Purchase
Opaleye Management Inc., a 10% owner, acquired 171,410 shares of Alpha Cognition Inc. common stock for a total of $1,003,958 through open market purchases.
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Increased Stake
These transactions, occurring between February 20 and February 24, 2026, demonstrate a notable increase in the investment firm's position in the company.
Analysis · ACOG · Life Sciences
Opaleye Management Inc., a significant 10% owner, has made a substantial open market purchase of Alpha Cognition Inc. shares. This $1 million investment, executed over several days, signals strong conviction from a major institutional investor. Such a notable increase in stake by a large shareholder can be interpreted as a positive vote of confidence in the company's future prospects, potentially influencing other investors.
How filings like this one have moved
In the 30 days to Sep 18, 2026, 29.2% of the 1722 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.35%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, ACOG was trading at $6.01 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $130.7M. The 52-week trading range was $3.75 to $11.54. This filing was assessed with positive market sentiment and an importance score of 7 out of 10.