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sellModerate

Perceptive Advisors LLC sold $4.5M of ALDX

owner at Aldeyra Therapeutics, Inc.. 2,756,499 shares at an average of $1.62, traded Oct 16, 2023, filed Oct 18, 2023.

Warning score
42
Value
$4.5M
2,756,499 shares
Holdings after
8,593,586
-24% from before
From 52-week low
0%
low $1.83, close $1.83
From 52-week high
-85%
high $11.89, as of Oct 16, 2023

Score components

  • Role
    10% owner
    +12
  • Trade size
    $4.5M at market
    +25
  • Share of holdings sold
    Sold 24% of holdings
    +5
  • Cluster
    No other insider selling within 14 days
    0

What happened after comparable sells

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.

This signal so far: 1m +64.7%, 3m +85.0%, 6m +129.5%.

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.

ALDXOct 9, 2026 · close 0.92
Since filing Oct 18, 2023: -47.1%SPY +87.5% · excess -134.6%

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 0001062993-23-019546, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 16, 2023SOpen-market sale
Common Stockindirect: See Footnote
-2,450,000$1.60$3.9M8,900,085Oct 18, 2023
Oct 18, 2023SOpen-market sale
Common Stockindirect: See Footnote
-306,499$1.74$533k8,593,586Oct 18, 2023

Related signals

Other insiders at Aldeyra Therapeutics, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
52Moderate
ALDXbuy
Aldeyra Therapeutics, Inc.
Todd C Brady
President and CEO
$418k
250,000 shares
+17%
51Moderate
ALDXbuy 2
Aldeyra Therapeutics, Inc.
Richard Douglas
director
$98k
70,000 shares
+56%
41Moderate
ALDXbuy 2
Aldeyra Therapeutics, Inc.
Michael Alfieri
Principal Financial Officer
$7,100
5,000 shares
+200%
27Weak
ALDXbuy
Aldeyra Therapeutics, Inc.
Michael Alfieri
Principal Financial Officer
$13k
2,500 shares
-
25Weak
ALDXsell
Aldeyra Therapeutics, Inc.
Stephen Machatha
Chief Development Officer
$114k
22,073 shares
-9%
47Moderate
ALDXsell
Aldeyra Therapeutics, Inc.
Perceptive Advisors LLC
owner
$4.8M
3,400,000 shares
-37%
23Weak
ALDXbuy
Aldeyra Therapeutics, Inc.
Nancy Miller-Rich
director
$10k
922 shares
-
30Weak
ALDXsell 2
Aldeyra Therapeutics, Inc.
Bruce Greenberg
See Remarks
$51k
10,834 shares
-8%
31Weak
ALDXsell 2
Aldeyra Therapeutics, Inc.
Stephen Machatha
Chief Development Officer
$76k
16,041 shares
-6%
36Weak
ALDXsell 3
Aldeyra Therapeutics, Inc.
Bruce Greenberg
See Remarks
$45k
13,201 shares
-9%

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.

Perceptive Advisors LLC sold $4.5M of ALDX | InsiderTell