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buyWeak

Hartree Partners, LP bought $27k of HDSN

owner at HUDSON TECHNOLOGIES INC /NY. 5,317 shares at an average of $5.10, traded Sep 2, 2026, filed Sep 4, 2026.

Conviction score
25
Value
$27k
5,317 shares
Holdings after
5,205,317
+0% from before
From 52-week low
+6%
low $4.84, close $5.12
From 52-week high
-51%
high $10.44, as of Sep 2, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $27k at market
    +5
  • Relative to holdings
    Under 1% of holdings (0.1%)
    -5
  • Price context
    6% above the 52-week low; 51% below the 52-week high
    +18
  • 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.

HDSNOct 9, 2026 · close 5.14
Since filing Sep 4, 2026: -3.9%SPY +1.3% · excess -5.3%

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 0000921895-26-002492, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 2, 2026POpen-market purchase
Common Stock, par value $0.01
+5,317$5.10$27k5,205,31739 d ago

Related signals

Other insiders at HUDSON TECHNOLOGIES INC /NY and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
49Moderate
HDSNbuy
HUDSON TECHNOLOGIES INC /NY
Hartree Partners, LP
owner
$604k
118,549 shares
+2%
33Weak
HDSNbuy
HUDSON TECHNOLOGIES INC /NY
Hartree Partners, LP
owner
$69k
13,515 shares
+0%
32Weak
HDSNbuy
HUDSON TECHNOLOGIES INC /NY
Hartree Partners, LP
owner
$57k
11,136 shares
+0%
56Moderate
HDSNbuy 2
HUDSON TECHNOLOGIES INC /NY
Brian J. Bertaux
Chief Financial Officer
$9,740
2,000 shares
-
44Moderate
HDSNbuy 2
HUDSON TECHNOLOGIES INC /NY
Nicole E Bulgarino
director
$2,665
550 shares
+5%
53Moderate
HDSNsell
HUDSON TECHNOLOGIES INC /NY
Brian F Coleman
President, CEO
$3.6M
484,616 shares
-53%
45Moderate
HDSNsell
HUDSON TECHNOLOGIES INC /NY
Brian F Coleman
President, CEO
$3.6M
484,616 shares
-20%
23Weak
HDSNbuy
HUDSON TECHNOLOGIES INC /NY
Vincent P Abbatecola
director
$24k
3,500 shares
+2%
15Weak
HDSNbuy
HUDSON TECHNOLOGIES INC /NY
Vincent P Abbatecola
director
$15k
2,500 shares
+2%

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.

Hartree Partners, LP bought $27k of HDSN | InsiderTell