What happened
Opaleye Management Inc. bought 31,763 shares of Alpha Cognition Inc. (NASDAQ: ACOG) on 2026-09-24 and 2026-09-25, according to the Form 4. The filing identifies Opaleye Management Inc. as a 10% owner and says the reported shares were held indirectly through Opaleye, L.P.
It reports 18,337 shares bought on 2026-09-24 at a weighted average price of $8.5664 and 13,426 shares on 2026-09-25 at $8.47. The purchases totaled about $270,800 and left Opaleye Management Inc. with 3,203,904 shares after the reported transactions.
The reported prices span $8.47 to $8.5664, and the table also lists 100,000 shares in a Managed Account, separate from the reported purchases.
Explain the financial terms
A Form 4 is the SEC report an officer, director or 10% owner files within two business days of buying or selling the company's stock.
Why it matters
Against the pre-trade holding of 3,172,141 shares, the 31,763-share buy was about 1.0% of that position. That ratio is the cleanest way to size the move because the filing gives both the before and after holdings.
Because the filing gives both the pre-trade holding and the new holding, it pins the move to a precise starting point. The change shows a 10% owner adding exposure rather than trimming it.
It also updates the ownership picture with a measurable increase, not just a new filing date. That makes the filing a precise ownership marker, even without any operating update.
For a holder already at 10%, even a small add changes the disclosed stake, not the operating story. The counterargument is simple: this Form 4 is still only an ownership update.
It does not show operating, sales, or adoption improvement, so the purchase does not by itself explain business performance. The two trade dates also show the buy was built in pieces, not one block.
Explain the financial terms
A Form 4 is the SEC report an officer, director or 10% owner files within two business days of buying or selling the company's stock.
What's next
No future company date is stated in the filing. The latest reported holding is 3,203,904 shares, and the date ties the record to a specific snapshot rather than a broader company update.
The report does not name a closing, vote, or other scheduled event.