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HDSN

Hudson Technologies, Inc.

NASDAQ · Basic Materials · Chemicals - Specialty · US

$5.27
+0.29%
Ask drillr
11
Insider buys (3m)
0
Insider sells (3m)
$5.8M
Net value (3m)
-1.6%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Aug 26, 2026Hartree Partners, LP · 10 percent ownerPurchase9,446$5.50
Aug 26, 2026Hartree Partners, LP · 10 percent ownerPurchase91,166$5.50
Aug 14, 2026Hartree Partners, LP · 10 percent ownerPurchase5,198$5.50
Jul 31, 2026Hartree Partners, LP · 10 percent ownerPurchase52,104$5.99
Jul 22, 2026Hartree Partners, LP · 10 percent ownerPurchase17,842$5.99
Jul 22, 2026Hartree Partners, LP · 10 percent ownerPurchase47,708$5.99
Jul 8, 2026Hartree Partners, LP · 10 percent ownerPurchase600$5.99
Jul 8, 2026Hartree Partners, LP · 10 percent ownerPurchase4,634$5.99
Jul 2, 2026Hartree Partners, LP · 10 percent ownerPurchase271,302$5.97
Jul 2, 2026Hartree Partners, LP · 10 percent ownerPurchase288,111$5.88
Jul 2, 2026Hartree Partners, LP · 10 percent ownerPurchase204,789$5.68
Jun 22, 2026Feeler Jeffrey R · directorA-Award3,219$0.00
Jun 22, 2026Parrillo Richard · directorA-Award31,780$5.63
Jun 22, 2026Sheriff Alan · directorA-Award15,360$5.63
Jun 22, 2026Mansy Loan Nguyen · directorA-Award21,186$5.63
Jun 22, 2026Prouty Eric A · directorA-Award21,186$5.63
Jun 22, 2026Sheriff Alan · directorA-Award3,219$0.00
Jun 22, 2026Bulgarino Nicole E · directorA-Award31,780$5.63
Jun 22, 2026Prouty Eric A · directorA-Award4,440$0.00
Jun 22, 2026Mansy Loan Nguyen · directorA-Award8,881$0.00
Jun 22, 2026Feeler Jeffrey R · directorA-Award15,360$5.63
May 21, 2026Parrillo Richard · directorPurchase10,000$4.83
May 21, 2026Bertaux Brian J. · officer: Chief Financial OfficerPurchase2,000$4.87
May 15, 2026Sheriff Alan · directorPurchase5,200$4.88
May 15, 2026Bulgarino Nicole E · directorPurchase550$4.84
May 15, 2026Gaglione Kenneth · director, officer: President and CEOPurchase5,000$4.89
May 15, 2026Parrillo Richard · directorPurchase1,400$4.97
May 15, 2026Feeler Jeffrey R · directorPurchase5,100$4.92
May 15, 2026Prouty Eric A · directorPurchase5,000$4.84
May 15, 2026Parrillo Richard · directorPurchase3,600$4.96
Institutional positioning

13F filings over the trailing two quarters

New 52Increased 94Reduced 112Sold out 31
FilerActionSharesFiled
Hartree Partners, LPIncreased4,411,889Aug 12, 2026
HARTREE PARTNERS, LPUnchanged3,800,000May 12, 2026
WESTERLY CAPITAL MANAGEMENT, LLCIncreased3,380,000Aug 14, 2026
WESTERLY CAPITAL MANAGEMENT, LLCIncreased3,175,000May 15, 2026
BLACKROCK, INC.Reduced2,862,539May 13, 2026
BlackRock, Inc.Reduced2,840,272Aug 7, 2026
DIMENSIONAL FUND ADVISORS LPIncreased2,148,311May 7, 2026
DIMENSIONAL FUND ADVISORS LPReduced1,967,914Aug 11, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position1,660,146May 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCReduced1,654,259Aug 13, 2026
RENAISSANCE TECHNOLOGIES LLCReduced1,504,250May 14, 2026
AMERICAN CENTURY COMPANIES INCIncreased1,487,774May 15, 2026
RENAISSANCE TECHNOLOGIES LLCReduced1,442,115Aug 13, 2026
NEW SOUTH CAPITAL MANAGEMENT INCReduced1,241,223May 13, 2026
AMERICAN CENTURY COMPANIES INCReduced1,169,462Aug 12, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 26, 2026