Are insiders buying ACOG stock?

Yes — 7 distinct insiders have bought ACOG (Alpha Cognition Inc.) on the open market, including 5 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Sep 16, 2026.

How much ACOG stock have insiders bought?

Insiders have bought a combined $7.1M of ACOG across 39 open-market purchases, based on SEC Form 4 filings.

What is an insider cluster buy in ACOG?

A cluster buy is two or more distinct Alpha Cognition Inc. insiders — officers, directors, or 10% owners — each buying ACOG on the open market within a rolling window. ACOG has 5 detected cluster buys to date.

Where does this ACOG insider trading data come from?

Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

ACOG insider buying

5 cluster buys

Alpha Cognition Inc.

When two or more insiders at Alpha Cognition Inc. buy ACOG on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in ACOG plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.

Clusters

Distinct insiders

Total bought

$7.1M

Market cap

Unknown

Detected clusters

Jun 26 – Sep 16, 2026
Detected Sep 16, 2026
2 insiders
Total bought
$4.1M
Market cap
Unknown
May 29 – Aug 21, 2026
Detected Aug 24, 2026
2 insiders
Total bought
$3.6M
Market cap
Unknown
Feb 23 – Jun 26, 2026
Detected Jun 26, 2026
2 insiders
Total bought
$3.5M
Market cap
$172.0M

2 more clusters in ACOG

All notable open-market buys in ACOG

Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.

Date	Insider	Shares	Price	Value	Filing
Sep 16, 2026	Opaleye Management Inc.cluster 10% Owner	53,029	$8.57	$454.6K	SEC ↗
Sep 16, 2026	Opaleye Management Inc.cluster 10% Owner	27,141	$8.40	$228.0K	SEC ↗
Sep 15, 2026	Opaleye Management Inc.cluster 10% Owner	3,375	$8.54	$28.8K	SEC ↗
Sep 14, 2026	Opaleye Management Inc.cluster 10% Owner	40,373	$8.70	$351.1K	SEC ↗
Aug 21, 2026	Wills Robert Jamescluster Director	10,000	$9.62	$96.2K	SEC ↗
Aug 3, 2026	Opaleye Management Inc.cluster 10% Owner	50,000	$8.00	$400.0K	SEC ↗
Jul 31, 2026	Opaleye Management Inc.cluster 10% Owner	2,900	$7.92	$23.0K	SEC ↗
Jul 24, 2026	Opaleye Management Inc.cluster 10% Owner	130	$7.90	$1.0K	SEC ↗
Jul 23, 2026	Opaleye Management Inc.cluster 10% Owner	49,849	$7.80	$388.6K	SEC ↗
Jul 22, 2026	Opaleye Management Inc.cluster 10% Owner	140,237	$7.83	$1.1M	SEC ↗
Jul 22, 2026	Opaleye Management Inc.cluster 10% Owner	10,000	$7.83	$78.3K	SEC ↗
Jun 26, 2026	Opaleye Management Inc.cluster 10% Owner	152,336	$6.40	$975.2K	SEC ↗
Jun 9, 2026	Opaleye Management Inc.cluster 10% Owner	24,856	$5.98	$148.5K	SEC ↗
May 29, 2026	Opaleye Management Inc.cluster 10% Owner	70,577	$5.90	$416.4K	SEC ↗
Mar 30, 2026	Opaleye Management Inc.cluster 10% Owner	1,850	$4.99	$9.2K	SEC ↗
Mar 27, 2026	Opaleye Management Inc.cluster 10% Owner	10,000	$5.08	$50.8K	SEC ↗
Mar 26, 2026	Opaleye Management Inc.cluster 10% Owner	7,319	$5.28	$38.6K	SEC ↗
Mar 25, 2026	Opaleye Management Inc.cluster 10% Owner	8,581	$5.43	$46.6K	SEC ↗
Mar 24, 2026	Opaleye Management Inc.cluster 10% Owner	4,182	$5.59	$23.4K	SEC ↗
Mar 19, 2026	Opaleye Management Inc.cluster 10% Owner	2,094	$5.71	$12.0K	SEC ↗
Mar 18, 2026	Opaleye Management Inc.cluster 10% Owner	2,481	$5.75	$14.3K	SEC ↗
Mar 16, 2026	Opaleye Management Inc.cluster 10% Owner	1,331	$5.78	$7.7K	SEC ↗
Mar 13, 2026	Opaleye Management Inc.cluster 10% Owner	7,358	$5.75	$42.3K	SEC ↗
Mar 12, 2026	Opaleye Management Inc.cluster 10% Owner	5,708	$5.85	$33.4K	SEC ↗
Mar 9, 2026	Opaleye Management Inc.cluster 10% Owner	2,179	$5.85	$12.7K	SEC ↗

14 earlier buys hidden — sign in free to see the full history.

ACOG insider buying — FAQ

Are insiders buying ACOG stock?: Yes — 7 distinct insiders have bought ACOG (Alpha Cognition Inc.) on the open market, including 5 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Sep 16, 2026.
How much ACOG stock have insiders bought?: Insiders have bought a combined $7.1M of ACOG across 39 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in ACOG?: A cluster buy is two or more distinct Alpha Cognition Inc. insiders — officers, directors, or 10% owners — each buying ACOG on the open market within a rolling window. ACOG has 5 detected cluster buys to date.
Where does this ACOG insider trading data come from?: Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

How we track insider buying in ACOG

We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy ACOG within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?

This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding ACOG.