Alpha Cognition Inc. (ACOG) is showing up on insider trading trackers this week after Opaleye Management Inc., a 10%+ owner of the company, disclosed another open-market purchase of company stock. According to a Form 4 filed with the SEC, Opaleye bought 49,849 shares on July 23, 2026, at $7.80 per share, a purchase worth $388,587.91 paid for out of its own funds rather than through options or other compensation.
That single trade is only part of the story. The July 23 buy is the latest in a run of three separate open-market purchases by Opaleye between July 22 and July 23, 2026, that together add up to $1,565,500 in Alpha Cognition stock. When multiple purchases from the same insider stack up in such a short window, it gets flagged by our system as a cluster buy, a pattern that tends to draw more attention than any one transaction on its own.
What the filing shows
Following the July 23 purchase, Opaleye’s position in Alpha Cognition stood at 2,995,193 shares, held indirectly through an entity structure rather than in the insider’s own name. Indirect ownership like this is common for institutional or fund-style holders such as Opaleye, which is classified in SEC filings as a 10%-plus owner of ACOG rather than as an officer or director.
The transaction itself was straightforward: an open-market purchase, meaning Opaleye went into the market and bought shares at the prevailing price of $7.80, rather than receiving them through a grant, award, or option exercise. That distinction matters to people tracking these filings, since open-market buys made with personal or fund capital are generally viewed as a clearer signal of insider conviction than stock received as compensation.
Why clustered buying gets noticed
Academic research on insider trading has repeatedly found that clustered buying, several insiders or the same insider buying repeatedly within a tight window, is statistically associated with better-than-average stock performance in the following months compared to isolated purchases. That is a historical pattern observed across many companies and time periods, not a prediction or endorsement of what happens next with Alpha Cognition shares specifically.
For readers researching how to track insider trading activity, filings like this one are exactly the kind of raw data point that matters: who bought, how much, at what price, and whether it happened once or as part of a broader pattern. In this case, Opaleye Management’s three purchases over two days, totaling $1,565,500, is the more complete picture behind the July 23 disclosure.
Source: original SEC Form 4 filing.