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Hartree Partners, LP, a more than ten percent owner of Hudson Technologies Inc., reported a series of open-market purchases of the company’s common stock. Over June 30 to July 2, 2026, Hartree bought a total of 764,202 shares at weighted average prices between roughly $5.68 and $5.97 per share. After these transactions, Hartree directly holds 4,971,302 shares of Hudson Technologies common stock. The filing notes that prices are reported as weighted averages across multiple trades within stated ranges and that Hartree disclaims beneficial ownership beyond its pecuniary interest.
Hartree Partners, LP filed an initial ownership report for Hudson Technologies Inc. (HDSN), stating it holds 4,207,100 shares of common stock. This filing reflects that Hartree is a more than ten percent owner. The footnote explains Hartree disclaims beneficial ownership beyond its economic interest in these securities.
Hudson Technologies Inc. Schedule 13G/A amendment reports that Hartree Partners beneficially owned 4,971,302 shares of Hudson Technologies common stock, representing 11.8% of the class as of 06/30/2026. The filing shows Hartree holds sole voting and dispositive power over the same 4,971,302 shares.
HUDSON TECHNOLOGIES INC /NY director Alan Sheriff reported equity awards in the form of common stock and stock options. He received 3,219 shares of Common Stock as a grant at no cash cost, increasing his direct holdings to 12,484 common shares after the award.
He was also granted 15,360 Stock Options exercisable for an equal number of common shares at a strike price of $5.63 per share, with an expiration date on June 17, 2029. These awards are compensation-related acquisitions, not open‑market purchases or sales.
Prouty Eric A reported acquisition or exercise transactions in this Form 4 filing.
HUDSON TECHNOLOGIES INC /NY director Eric A. Prouty received equity compensation. On June 17, 2026, he was granted 4,440 shares of Common Stock at no cost and 21,186 stock options exercisable at $5.63 per share, expiring on June 17, 2029. After these awards, he directly holds 158,292 Common shares and 21,186 options.
HUDSON TECHNOLOGIES INC /NY director Richard Parrillo received a grant of stock options covering 31,780 shares of common stock. The options were awarded at an exercise price of $5.63 per share, have no cost at grant, and are scheduled to expire on June 17, 2029. Following this compensation-related award, he holds 31,780 derivative securities directly in the form of these options.
HUDSON TECHNOLOGIES INC /NY director Mansy Loan Nguyen received new equity compensation. On 2026-06-17, Nguyen was granted 8,881 shares of common stock at no cost and 21,186 stock options to buy common shares at $5.63 per share, expiring on 2029-06-17.
Following the award, Nguyen directly holds 34,476 common shares and 21,186 stock options, all shown as acquisitions rather than market purchases or sales.
HUDSON TECHNOLOGIES INC /NY director receives new stock options. Director Nicole E. Bulgarino was granted stock options covering 31,780 shares of common stock on June 17, 2026. The options have an exercise price of $5.63 per share and expire on June 17, 2029. This is a compensation-related grant, not an open-market trade.
HUDSON TECHNOLOGIES INC /NY director Jeffrey R. Feeler received new equity compensation. On June 17, 2026, he was granted 3,219 shares of common stock at no cost, increasing his direct common stock holdings to 12,384 shares.
He was also granted stock options for 15,360 shares of common stock at an exercise price of $5.63 per share, expiring on June 17, 2029. Following this grant, he holds 15,360 stock options directly.
Hudson Technologies reported that its primary refrigerant reclamation facility in Champaign, Illinois, known as the Mattis Facility, was damaged by strong storms and tornadoes on June 11, 2026. Initial assessments indicate extensive roof, structural and water damage, though no loss of life or injuries has been reported.
The company’s other two facilities in the same area were not affected. Hudson has activated its emergency response protocol, secured the site with local authorities, shut off power and gas, begun the insurance claim recovery process, and plans to divert operations where possible to its Smyrna, Georgia facility and other locations while it evaluates infrastructure, equipment and inventory losses and potential disruptions to operations.