Alpha Cognition Inc. (ACOG)
Nasdaq: ACOG · Biological Products, (No Diagnostic Substances) · Grapevine, TX · filing with the SEC since 2015
Who owns Alpha Cognition Inc.
As filed with the SECHolders of 5% or more
6
Opaleye Management Inc. holds 14.2% of Common Stock, no par value, as its SCHEDULE 13G/A filed Jul 24, 2026 says.
Directors and officers
9
report now, of 10 people on the record since 2024. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 6 named at left.
Holders of 5% or moreshare of the class, as filed
Opaleye Management Inc.
SCHEDULE 13G/A · filed Jul 24, 2026 · Common Stock, no par value · 13.3% in Jun 29, 2026
AWM Investment Company, Inc.
SCHEDULE 13G/A · filed Feb 13, 2026 · Common Stock · 6.5% in Feb 13, 2025
Solas Capital Management, LLC
SCHEDULE 13G · filed Feb 14, 2025 · Common Shares, no par value
James E. Besser
SCHEDULE 13G · filed Sep 23, 2026 · Common Stock, no par value · 4.9% in May 12, 2026
Besser James E
SCHEDULE 13G · filed Jan 31, 2025 · Common Shares, no par value
Funicular Funds, LP
SCHEDULE 13G · filed Feb 19, 2026 · Common Stock, no par value · 4.9% in Feb 18, 2026
Ikarian Capital, LLC
SCHEDULE 13G/A · filed Feb 17, 2026 · Common Shares, no par value · reported falling below 5%, from 6% in Feb 14, 2025
What ACOG reports owning in othersstakes of 5% or more, and other ties
2 subsidiaries in 2 countries, from the list filed with the 10-K filed Mar 31, 2025.
Insider tradesForm 4
0sales
2purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$100,000bought, in dollars
Open-market trades on Form 4 from Oct 26, 2025 to Oct 26, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 26, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window3 of 11 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Opaleye Management Inc. | 10% owner | 0 | $0 | 0 | 58 | $8.2M |
| D'Angelo Lauren | Chief Operating Officer | 0 | $0 | 0 | 1 | $0 |
| Wills Robert James | director | 0 | $0 | 0 | 1 | $100,000 |