Alpha Cognition Inc. (ACOG)

Data as of Oct 2, 2026, from SEC Form 4 filings.

Net insider buying (90d)Watch ACOG

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Latest ACOG insider trades

Opaleye Management Inc. - 10% Owner
Open-market purchase$166K
Oct 1, 2026

About Alpha Cognition Inc. (ACOG)

Alpha Cognition Inc. is an SEC registrant, filing under CIK 0001655923, classified as biological products (no diagnostic substances). We track it alongside the rest of the Health Care sector.

Sector: Health Care

SEC filings for ACOG on EDGAR

ACOG Form 4 activity by transaction type, last 90 days

Form 4 transaction type	Transactions	Shares	Total value
Open-market purchase	14	437,847	$3.58M

ACOG insider transactions (Form 4)

40 Form 4 filings on record, the earliest from Nov 15, 2024, newest first. Filing history page 1 of 2.

Date	Insider	Transaction	Security	Shares	Price	Value
Oct 1, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	19,050	$8.69^{footnote F3}	$166K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.645 to $8.70. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR
Sep 24, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	18,337	$8.57^{footnote F3}	$157K
Sep 25, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	13,426	$8.47	$114K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.52 to $8.57. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information… Full note on SEC EDGAR
Sep 14, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	40,373	$8.70^{footnote F3}	$351K
Sep 15, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	3,375	$8.54^{footnote F4}	$29K
Sep 16, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	53,029	$8.57^{footnote F5}	$455K
Sep 16, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	27,141	$8.40	$228K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.664 to $8.72. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR Footnote F4 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.53 to $8.57. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information… Full note on SEC EDGAR Footnote F5 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.46 to $8.70. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information… Full note on SEC EDGAR
Aug 21, 2026	Robert James Wills - Director	Open-market purchase	Common Shares	10,000	$9.62	$96K
Jul 31, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	2,900	$7.92^{footnote F3}	$23K
Aug 3, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	50,000	$8.00	$400K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.855 to $7.95. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR
Jul 24, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	130	$7.90	$1K
Jul 22, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	140,237	$7.83^{footnote F3}	$1.10M
Jul 22, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	10,000	$7.83^{footnote F3}	$78K
Jul 23, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	49,849	$7.80^{footnote F4}	$389K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.75 to $7.90. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information… Full note on SEC EDGAR Footnote F4 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.655 to $7.8667. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR
Jun 25, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	197	$6.50	$1K
Jun 26, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	152,336	$6.40^{footnote F3}	$975K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.335 to $6.50. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR
Jun 11, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	2,862	$5.91^{footnote F3}	$17K
Jun 12, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	273	$5.93^{footnote F4}	$2K
Jun 15, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	4,550	$5.99^{footnote F5}	$27K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.87 to $5.91. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information… Full note on SEC EDGAR Footnote F4 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.9275 to $5.94. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR Footnote F5 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.97 to $5.9896. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR
Jun 10, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	5,872	$5.99^{footnote F4}	$35K
Jun 9, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	24,856	$5.98^{footnote F3}	$149K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.9465 to $5.99. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR Footnote F4 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.925 to $5.99. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR
Jun 5, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	10,054	$5.83^{footnote F3}	$59K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.82 to $5.85. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information… Full note on SEC EDGAR
May 27, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	1,161	$5.73	$7K
May 28, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	2,000	$5.83^{footnote F3}	$12K
May 29, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	70,577	$5.90^{footnote F4}	$416K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.82 to $5.85. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information… Full note on SEC EDGAR Footnote F4 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.88 to $5.90. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information… Full note on SEC EDGAR
May 20, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	8,431	$5.89	$50K
May 21, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	15,945	$5.70	$91K
May 19, 2026	Lauren D'Angelo - Officer	Open-market purchase	Common Shares	3,500	$5.76	$20K
May 18, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	17,395	$5.69^{footnote F4}	$99K
May 15, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	16,648	$5.83^{footnote F3}	$97K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.75 to $5.83. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information… Full note on SEC EDGAR Footnote F4 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.60 to $5.87. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information… Full note on SEC EDGAR
Apr 16, 2026	Bethany Sensenig	Grant or award	Common Shares	5,489^{footnote F1}	$0.00	-
Apr 16, 2026	Bethany Sensenig	Grant or award	Common Share Options	6,991	$0.00	-
Footnote F1 (shares): Restricted Stock Units that vest one year from date of grant.
Mar 27, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	10,000	$5.08^{footnote F3}	$51K
Mar 30, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	1,850	$4.99	$9K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.0674 to $5.0909. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR
Mar 24, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	4,182	$5.59	$23K
Mar 25, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	8,581	$5.43^{footnote F3}	$47K
Mar 26, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	7,319	$5.28^{footnote F4}	$39K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.39 to $5.50. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information… Full note on SEC EDGAR Footnote F4 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.159 to $5.3243. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR
Mar 18, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	2,481	$5.75^{footnote F3}	$14K
Mar 19, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	2,094	$5.71^{footnote F4}	$12K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.749 to $5.75. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR Footnote F4 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.699 to $5.75. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR
Mar 16, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	1,331	$5.78^{footnote F3}	$8K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.76 to $5.79. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information… Full note on SEC EDGAR
Mar 13, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	7,358	$5.75^{footnote F4}	$42K
Mar 12, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	5,708	$5.85^{footnote F3}	$33K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.84 to $5.859. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR Footnote F4 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.696 to $5.75. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR
Mar 9, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	2,179	$5.85^{footnote F4}	$13K
Mar 6, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	1,900	$5.80^{footnote F3}	$11K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.70 to $5.85. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information… Full note on SEC EDGAR Footnote F4 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.785 to $5.85. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR
Mar 4, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	19,795	$5.81^{footnote F3}	$115K
Mar 5, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	42,023	$5.80^{footnote F4}	$244K
Mar 5, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	5,000	$5.80^{footnote F4}	$29K
Footnote F3 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.72 to $5.8689. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full… Full note on SEC EDGAR Footnote F4 (price): The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.70 to $5.85. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information… Full note on SEC EDGAR
Mar 3, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	5,000	$5.75	$29K
Mar 2, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	20,000	$5.80	$116K
Mar 3, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	46,411	$5.75	$267K
Feb 26, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	590	$5.99	$4K
Feb 27, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	3,638	$5.99	$22K
Feb 20, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	10,000	$5.84	$58K
Feb 20, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	2,819	$5.84	$16K
Feb 23, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	95,819	$5.89	$565K
Feb 23, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	4,181	$5.89	$25K
Feb 24, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	53,591	$5.80	$311K
Feb 24, 2026	Opaleye Management Inc. - 10% Owner	Open-market purchase	Common Stock, no par value	5,000	$5.80	$29K
Jan 14, 2026	Phillip Joseph Mertz	Grant or award	Common Shares	7,241^{footnote F1}	$0.00	-
Jan 14, 2026	Phillip Joseph Mertz	Grant or award	Common Share Options	8,437	$0.00	-
Footnote F1 (shares): Restricted stock units that vest one year from date of grant.
Jan 14, 2026	Robert James Wills	Grant or award	Common Shares	7,241^{footnote F1}	$0.00	-
Jan 14, 2026	Robert James Wills	Grant or award	Common Share Options	8,437	$0.00	-
Footnote F1 (shares): Restricted stock units that vest one year from date of grant.
Jan 14, 2026	Leonard Powell Mertz	Grant or award	Common Shares	7,241^{footnote F1}	$0.00	-
Jan 14, 2026	Leonard Powell Mertz	Grant or award	Common Share Options	8,437	$0.00	-
Footnote F1 (shares): Restricted stock units that vest one year from date of grant.
Jan 14, 2026	Kenneth Anthony Cawkell	Grant or award	Common Shares	7,241^{footnote F1}	$0.00	-
Jan 14, 2026	Kenneth Anthony Cawkell	Grant or award	Common Share Options	8,437	$0.00	-
Footnote F1 (shares): Restricted stock units that vest one year from date of grant.

Recent ACOG Form 8-K filings

Read ACOG company news

Jun 23, 2026Item 5.02, 5.07, 9.01

Read the filing on SEC EDGAR

May 1, 2026Item 5.02, 9.01

Read the filing on SEC EDGAR

Apr 20, 2026Item 5.02, 9.01

Read the filing on SEC EDGAR

Apr 14, 2026Item 1.01, 9.01

ACOG insider trading FAQ

What is the latest insider trade for ACOG?

Alpha Cognition Inc. (ACOG) had 7 insider filings in the last 90 days, with the most recent on 2026-10-02. The full record for ACOG runs to 40 Form 4 filings, the earliest from 2024-11-15. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying ACOG stock?

14 insider purchases of ACOG were filed in the last 90 days, totaling $3.58M.

How many insiders are selling ACOG stock?

No insider sales of ACOG were filed in the last 90 days. 1 sale is on record for this company.

Where can I see ACOG SEC filings (Form 4, 10-K, 10-Q, 8-K)?

This page collects ACOG Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

More Health Care companies with insider activity

Recent insider filings

The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.

Oct 2, 2026 - Opaleye Management Inc. view on EDGAR
Sep 28, 2026 - Opaleye Management Inc. view on EDGAR
Sep 16, 2026 - Opaleye Management Inc. view on EDGAR
Aug 24, 2026 - Robert James Wills view on EDGAR
Aug 4, 2026 - Opaleye Management Inc. view on EDGAR
Jul 28, 2026 - Opaleye Management Inc. view on EDGAR
Jul 24, 2026 - Opaleye Management Inc. view on EDGAR
Jun 29, 2026 - Opaleye Management Inc. view on EDGAR
Jun 16, 2026 - Opaleye Management Inc. view on EDGAR

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Learn more

How to read insider buying signals: What an open-market purchase by an insider can and cannot tell you.
Insider activity in Health Care: Where ACOG's peers are being bought and sold.
Every recent Form 4: The market-wide feed, updated as filings arrive from SEC EDGAR.

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Form 4 transaction type

Transactions

Total value

Open-market purchase

437,847

$3.58M

Date

Insider

Transaction

Security

Price

Value

Oct 1, 2026