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buyWeak

Opaleye Management Inc. bought $1.1M of ACOG

owner at Alpha Cognition Inc.. 123,918 shares at an average of $8.57, traded Sep 14, 2026, filed Sep 16, 2026.

Conviction score
32
Value
$1.1M
123,918 shares
Holdings after
3,172,141
+4% from before
From 52-week low
+94%
low $4.50, close $8.71
From 52-week high
-11%
high $9.75, as of Sep 14, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $1.1M at market
    +25
  • Relative to holdings
    Holdings up 4.1%
    0
  • Price context
    Near the top of the 52-week range
    0
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0
  • Outside holder
    A 10% owner who is not an officer or director
    -5

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

ACOGOct 9, 2026 · close 9.04
Since filing Sep 16, 2026: +7.6%SPY +3.5% · excess +4.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001493152-26-042969, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 14, 2026POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+40,373$8.70$351k3,088,59626 d ago
Sep 15, 2026POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+3,375$8.54$29k3,091,97126 d ago
Sep 16, 2026POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+53,029$8.57$455k3,145,00026 d ago
Sep 16, 2026POpen-market purchase
Common Stock, no par valueindirect: By Opaleye, L.P.
+27,141$8.40$228k3,172,14126 d ago

Related signals

Other insiders at Alpha Cognition Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
18Weak
ACOGbuy
Alpha Cognition Inc.
Opaleye Management Inc.
owner
$166k
19,050 shares
+1%
25Weak
ACOGbuy
Alpha Cognition Inc.
Opaleye Management Inc.
owner
$271k
31,763 shares
+1%
32Weak
ACOGbuy
Alpha Cognition Inc.
Opaleye Management Inc.
owner
$60k
11,850 shares
+0%
35Weak
ACOGbuy
Alpha Cognition Inc.
Opaleye Management Inc.
owner
$109k
20,082 shares
+1%
30Weak
ACOGbuy
Alpha Cognition Inc.
Opaleye Management Inc.
owner
$26k
4,575 shares
+0%
25Weak
ACOGbuy
Alpha Cognition Inc.
Opaleye Management Inc.
owner
$7,696
1,331 shares
+0%
33Weak
ACOGbuy
Alpha Cognition Inc.
Opaleye Management Inc.
owner
$76k
13,066 shares
+1%
25Weak
ACOGbuy
Alpha Cognition Inc.
Opaleye Management Inc.
owner
$24k
4,079 shares
+0%
46Moderate
ACOGbuy
Alpha Cognition Inc.
Opaleye Management Inc.
owner
$388k
66,818 shares
+3%
46Moderate
ACOGbuy
Alpha Cognition Inc.
Opaleye Management Inc.
owner
$412k
71,411 shares
+3%

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.

Opaleye Management Inc. bought $1.1M of ACOG | InsiderTell