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sellModerate cluster of 3

Stephen Machatha sold $99k of ALDX

Chief Development Officer at Aldeyra Therapeutics, Inc.. 29,768 shares at an average of $3.31, traded Mar 11, 2024, filed Mar 12, 2024.

Warning score
45
Value
$99k
29,768 shares
Holdings after
243,495
-11% from before
From 52-week low
+121%
low $1.47, close $3.25
From 52-week high
-73%
high $11.89, as of Mar 11, 2024

Score components

  • Role
    Officer
    +15
  • Trade size
    $99k at market
    +10
  • Share of holdings sold
    Sold 11% of holdings
    +5
  • Cluster
    3 insiders selling within 14 days
    +15

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.

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 Mar 12, 2024: -69.5%SPY +55.5% · excess -125.0%

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 0000950170-24-030311, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 11, 2024SOpen-market sale
Common Stock
-18,231$3.41$62k255,032Mar 12, 2024
Mar 12, 2024SOpen-market sale
Common Stock
-11,537$3.16$37k243,495Mar 12, 2024
Mar 9, 2024AGrant or award
Stock Option (right to buy)derivative
+405,450$0.00$0405,450Mar 12, 2024

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
-
43Moderate
ALDXbuy
Aldeyra Therapeutics, Inc.
Perceptive Advisors LLC
owner
$834k
177,993 shares
+2%
43Moderate
ALDXbuy
Aldeyra Therapeutics, Inc.
Perceptive Advisors LLC
owner
$1.9M
504,272 shares
+6%
64Notable
ALDXsell 3
Aldeyra Therapeutics, Inc.
Todd C Brady
President and CEO
$581k
183,238 shares
-11%

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.

Stephen Machatha sold $99k of ALDX | InsiderTell