Skip to content
buyWeak

Hartree Partners, LP bought $31k of HDSN

owner at HUDSON TECHNOLOGIES INC /NY. 5,234 shares at an average of $5.99, traded Jul 6, 2026, filed Jul 8, 2026.

Conviction score
20
Value
$31k
5,234 shares
Holdings after
4,976,536
+0% from before
From 52-week low
+24%
low $4.84, close $6.02
From 52-week high
-42%
high $10.44, as of Jul 6, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $31k at market
    +5
  • Relative to holdings
    Under 1% of holdings (0.1%)
    -5
  • Price context
    42% below the 52-week high
    +8
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    2 buys in 90 days
    +5
  • 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 Jul 8, 2026: -20.2%SPY +4.6% · excess -24.8%

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 0000921895-26-001775, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 6, 2026POpen-market purchase
Common Stock, par value $0.01
+4,634$5.99$28k4,975,936Jul 8, 2026
Jul 7, 2026POpen-market purchase
Common Stock, par value $0.01
+600$5.99$3,5944,976,536Jul 8, 2026

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%
30Weak
HDSNbuy
HUDSON TECHNOLOGIES INC /NY
Hartree Partners, LP
owner
$27k
5,317 shares
+0%
39Weak
HDSNbuy
HUDSON TECHNOLOGIES INC /NY
Hartree Partners, LP
owner
$553k
100,612 shares
+2%
20Weak
HDSNbuy
HUDSON TECHNOLOGIES INC /NY
Hartree Partners, LP
owner
$29k
5,198 shares
+0%
34Weak
HDSNbuy
HUDSON TECHNOLOGIES INC /NY
Hartree Partners, LP
owner
$312k
52,104 shares
+1%
36Weak
HDSNbuy
HUDSON TECHNOLOGIES INC /NY
Hartree Partners, LP
owner
$393k
65,550 shares
+1%
43Moderate
HDSNbuy
HUDSON TECHNOLOGIES INC /NY
Hartree Partners, LP
owner
$4.5M
764,202 shares
+18%
63Notable
HDSNbuy 8
HUDSON TECHNOLOGIES INC /NY
Brian J. Bertaux
Chief Financial Officer
$9,740
2,000 shares
-

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 $31k of HDSN | InsiderTell