NASDAQ: HDSN
Hudson Technologies Inc Stock Ownership - Who owns Hudson Technologies?

Insider buying vs selling

Have Hudson Technologies Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Hartree Partners LP10% Owner2026-09-24118,549$5.10
$604.48kBuy
Hartree Partners LP10% Owner2026-09-2311,013$5.10
$56.17kBuy
Hartree Partners LP10% Owner2026-09-212,502$5.10
$12.76kBuy
Hartree Partners LP10% Owner2026-09-1611,136$5.10
$56.79kBuy
Hartree Partners LP10% Owner2026-09-025,317$5.10
$27.12kBuy
Hartree Partners LP10% Owner2026-08-2591,166$5.50
$501.14kBuy
Hartree Partners LP10% Owner2026-08-249,446$5.50
$51.95kBuy
Hartree Partners LP10% Owner2026-08-125,198$5.50
$28.59kBuy
Hartree Partners LP10% Owner2026-07-2952,104$5.99
$312.10kBuy
Hartree Partners LP10% Owner2026-07-2147,708$5.99
$285.72kBuy

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Net Insider Buy/Sell (L12M) Ownership

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HDSN Shareholders

What type of owners hold Hudson Technologies Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Stephen P. Mandracchia48.94%20,597,199$105.87MInsider
Hartree Partners LP12.71%5,348,517$27.49MInsider
Kevin J. Zugibe10.66%4,484,549$23.05MInsider
Of Kevin J. Zugibe Estate9.99%4,203,536$21.61MInsider
Brian F. Coleman1.80%757,374$3.89MInsider
Vincent P. Abbatecola1.38%579,713$2.98MInsider
James R. Buscemi0.86%360,525$1.85MInsider
Dominic J. Monetta0.77%323,149$1.66MInsider
Kathleen Houghton0.38%158,618$815.30kInsider
Eric A. Prouty0.38%158,292$813.62kInsider

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HDSN vs Specialty Chemical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
HDSN0.08%89.15%Net SellingNet Buying
CMT0.07%27.53%Net SellingNet Selling
FF0.01%99.99%Net Buying
FEAM0.05%93.38%Net BuyingNet Buying
ALTO0.05%21.63%Net SellingNet Buying

Hudson Technologies Stock Ownership FAQ

Who owns Hudson Technologies?

Hudson Technologies (NASDAQ: HDSN) is owned by 0.08% institutional shareholders, 89.15% Hudson Technologies insiders, and 10.78% retail investors. Stephen P. Mandracchia is the largest individual Hudson Technologies shareholder, owning 20.60M shares representing 48.94% of the company. Stephen P. Mandracchia's Hudson Technologies shares are currently valued at $105.87M.

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