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Nasdaq · CIK 0001655923

ACOG Alpha Cognition Inc.

Insider trading from SEC Form 4. Last filing 11 d ago. Close $9.04 on Oct 9, 2026, +101% from the 52-week low and -7% from the high.

In brief

Alpha Cognition Inc. (ACOG) has 48 SEC Form 4 filings on file from 8 insiders, the latest filed on Oct 2, 2026. In the last 90 days insiders made 7 open-market buys worth $3.6M and 0 open-market sells worth $0, net +$3.6M.

31 open-market trades have been scored at ACOG. The newest: Opaleye Management Inc. (10% owner) bought $166k of stock on Oct 1, 2026, filed Oct 2, 2026, scored 18 (weak). The largest of the 31 shown: Opaleye Management Inc. (10% owner) bought $1.6M on Jul 22, 2026, scored 49 (moderate). 2 insiders bought within 14 days of each other around May 27, 2026.

Last 90 days

Net insider value
+$3.6M
more bought than sold
Buys
7
$3.6M by 2 insiders
Sells
0
$0 by 0 insiders
Insiders on file
8
with a Form 4 at this company

Price and insider trades, last year

ACOGOct 9, 2026 · close 9.04

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at Alpha Cognition Inc., scored.

ScoreInsiderValueHoldingsPrice contextFiled
18WeakOpaleye Management Inc.
owner
buy
$166k
19,050 shares
+1%+93% from low-11% from high
25WeakOpaleye Management Inc.
owner
buy
$271k
31,763 shares
+1%+90% from low-12% from high
32WeakOpaleye Management Inc.
owner
buy
$1.1M
123,918 shares
+4%+94% from low-11% from high
31WeakRobert James Wills
director
buy
$96k
10,000 shares
+45%+117% from low-1% from high
37WeakOpaleye Management Inc.
owner
buy
$423k
52,900 shares
+2%+84% from low-17% from high
16WeakOpaleye Management Inc.
owner
buy
$1,027
130 shares
+0%+76% from low-21% from high
49ModerateOpaleye Management Inc.
owner
buy
$1.6M
200,086 shares
+7%+76% from low-21% from high
58ModerateOpaleye Management Inc.
owner
buy
$976k
152,533 shares
+6%+44% from low-42% from high
31WeakOpaleye Management Inc.
owner
buy
$46k
7,685 shares
+0%+34% from low-46% from high
42ModerateOpaleye Management Inc.
owner
buy
$184k
30,728 shares
+1%+33% from low-47% from high
32WeakOpaleye Management Inc.
owner
buy
$59k
10,054 shares
+0%+29% from low-48% from high
55ModerateOpaleye Management Inc.
owner
buy
$435k
73,738 shares
+3%+27% from low-49% from high
44ModerateOpaleye Management Inc.
owner
buy
$141k
24,376 shares
+1%+31% from low-48% from high
36WeakLauren D'Angelo
Chief Operating Officer
buy
$20k
3,500 shares
+3%+29% from low-48% from high
50ModerateOpaleye Management Inc.
owner
buy
$196k
34,043 shares
+1%+34% from low-46% from high
32WeakOpaleye Management Inc.
owner
buy
$60k
11,850 shares
+0%+35% from low-55% from high
35WeakOpaleye Management Inc.
owner
buy
$109k
20,082 shares
+1%+49% from low-50% from high
30WeakOpaleye Management Inc.
owner
buy
$26k
4,575 shares
+0%+53% from low-49% from high
25WeakOpaleye Management Inc.
owner
buy
$7,696
1,331 shares
+0%+54% from low-48% from high
33WeakOpaleye Management Inc.
owner
buy
$76k
13,066 shares
+1%+56% from low-48% from high
25WeakOpaleye Management Inc.
owner
buy
$24k
4,079 shares
+0%+54% from low-48% from high
46ModerateOpaleye Management Inc.
owner
buy
$388k
66,818 shares
+3%+56% from low-48% from high
46ModerateOpaleye Management Inc.
owner
buy
$412k
71,411 shares
+3%+55% from low-48% from high
30WeakOpaleye Management Inc.
owner
buy
$25k
4,228 shares
+0%+60% from low-47% from high
53ModerateOpaleye Management Inc.
owner
buy
$1.0M
171,410 shares
+8%+56% from low-48% from high
46ModerateRobert James Wills
director
buy
$127k
15,000 shares
-+125% from low-25% from high
46ModerateLeonard Powell Mertz
director
buy
$250k
27,778 shares
+30%+125% from low-25% from high
48ModeratePhillip Joseph Mertz
director
sell
$250k
27,778 shares
-55%+125% from low-25% from high
30WeakJohn Prentiss Havens
director
buy
$25k
4,347 shares
+2%-
40ModerateLeonard Powell Mertz
director
buy
$50k
8,695 shares
+10%-
46ModerateMichael E. McFadden
Chief Executive Officer
buy
$15k
2,608 shares
+23%-

Transactions

The newest 50 of 89 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Oct 1, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+19,050$8.69$166k3,222,95411 d ago
Sep 24, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+18,337$8.57$157k3,190,47815 d ago
Sep 25, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+13,426$8.47$114k3,203,90415 d ago
Sep 14, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+40,373$8.70$351k3,088,59627 d ago
Sep 15, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+3,375$8.54$29k3,091,97127 d ago
Sep 16, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+53,029$8.57$455k3,145,00027 d ago
Sep 16, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+27,141$8.40$228k3,172,14127 d ago
Aug 21, 2026Robert James Wills
director
POpen-market purchase
Common Shares
+10,000$9.62$96k32,241Aug 24, 2026
Jul 31, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+2,900$7.92$23k2,998,223Aug 4, 2026
Aug 3, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+50,000$8.00$400k3,048,223Aug 4, 2026
Jul 24, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+130$7.90$1,0272,995,323Jul 28, 2026
Jul 22, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+140,237$7.83$1.1M2,945,344Jul 24, 2026
Jul 22, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Managed Account
+10,000$7.83$78k100,000Jul 24, 2026
Jul 23, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+49,849$7.80$389k2,995,193Jul 24, 2026
Jun 25, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+197$6.50$1,2812,652,771Jun 29, 2026
Jun 26, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+152,336$6.40$975k2,805,107Jun 29, 2026
Jun 11, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+2,862$5.91$17k2,647,751Jun 15, 2026
Jun 12, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+273$5.93$1,6192,648,024Jun 15, 2026
Jun 15, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+4,550$5.99$27k2,652,574Jun 15, 2026
Jun 9, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+24,856$5.98$149k2,639,017Jun 11, 2026
Jun 10, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+5,872$5.99$35k2,644,889Jun 11, 2026
Jun 5, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+10,054$5.83$59k2,614,161Jun 9, 2026
May 27, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+1,161$5.73$6,6532,531,530May 29, 2026
May 28, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+2,000$5.83$12k2,533,530May 29, 2026
May 29, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+70,577$5.90$416k2,604,107May 29, 2026
May 20, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+8,431$5.89$50k2,514,424May 22, 2026
May 21, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+15,945$5.70$91k2,530,369May 22, 2026
May 19, 2026Lauren D'Angelo
Chief Operating Officer
POpen-market purchase
Common Shares
+3,500$5.76$20k140,695May 19, 2026
May 15, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+16,648$5.83$97k2,488,598May 19, 2026
May 18, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+17,395$5.69$99k2,505,993May 19, 2026
Apr 16, 2026Bethany Sensenig
director
AGrant or award
Common Shares
+5,489$0.00$05,489Apr 17, 2026
Apr 16, 2026Bethany Sensenig
director
AGrant or award
Common Share Optionsderivative
+6,991$0.00$06,991Apr 17, 2026
Mar 27, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+10,000$5.08$51k2,470,000Mar 31, 2026
Mar 30, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+1,850$4.99$9,2272,471,850Mar 31, 2026
Mar 24, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+4,182$5.59$23k2,444,100Mar 26, 2026
Mar 25, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+8,581$5.43$47k2,452,681Mar 26, 2026
Mar 26, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+7,319$5.28$39k2,460,000Mar 26, 2026
Mar 18, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+2,481$5.75$14k2,437,824Mar 20, 2026
Mar 19, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+2,094$5.71$12k2,439,918Mar 20, 2026
Mar 16, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+1,331$5.78$7,6962,435,343Mar 18, 2026
Mar 12, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+5,708$5.85$33k2,426,654Mar 13, 2026
Mar 13, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+7,358$5.75$42k2,434,012Mar 13, 2026
Mar 6, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+1,900$5.80$11k2,418,767Mar 10, 2026
Mar 9, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+2,179$5.85$13k2,420,946Mar 10, 2026
Mar 4, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+19,795$5.81$115k2,374,844Mar 6, 2026
Mar 5, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+42,023$5.80$244k2,416,867Mar 6, 2026
Mar 5, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Managed Account
+5,000$5.80$29k90,000Mar 6, 2026
Mar 2, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+20,000$5.80$116k2,308,638Mar 4, 2026
Mar 3, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+46,411$5.75$267k2,355,049Mar 4, 2026
Mar 3, 2026Opaleye Management Inc.
owner
POpen-market purchase
Common Stock, no par valueindirect: By Managed Account
+5,000$5.75$29k85,000Mar 4, 2026
50 of 89 rows shown.

Insiders

Everyone who has filed a Form 4 here.

Questions about ACOG

Answered from the filings on this page, as of the latest one.

Are insiders buying ACOG?

As of Oct 2, 2026, SEC Form 4 filings show 7 open-market buys worth $3.6M by 2 insiders and 0 open-market sells worth $0 by 0 insiders at Alpha Cognition Inc. in the last 90 days, net +$3.6M. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.

Who was the last insider to trade ACOG on the open market?

Opaleye Management Inc. (10% owner) bought $166k of ACOG on Oct 1, 2026 and filed the Form 4 on Oct 2, 2026. InsiderTell scored 18 (weak).

How many insiders file Form 4 at Alpha Cognition Inc.?

8 people have filed a Form 4 at Alpha Cognition Inc., among them Lauren D'Angelo (Chief Operating Officer), John Prentiss Havens (director), Leonard Powell Mertz (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

ACOG insider trading: Alpha Cognition Inc. | InsiderTell