HDSN HUDSON TECHNOLOGIES INC /NY Insider Trading

Hartree Partners (10% owner) purchases 5,234 shares in two tranches at $5.99 for $31,351.66

Hartree Partners executed two separate purchases totaling 5,234 shares for $31,351.66 on consecutive days at $5.99 per share, adding to a position that now stands at 4,976,536 shares. The $5.99 transaction price sits below the current price of $6.44, and notably below the 52-week high of $10.52, placing this purchase in a region where the stock has declined -38.8% from its peak. The modestly-sized acquisition (+0.1% vs pre-transaction holdings) by a significant 10% stakeholder occurs within a company showing modest fundamentals: $60,151,000.00 quarterly revenue, net income of $330,000.00, and annual revenue growth of +4.0%.

Hartree Partners (10% owner) buys 764,202 shares in 3 transactions for $4,477,207.14 at HDSN, raising stake to 4,971,302 shares

Hartree Partners, as a 10% owner, executed three separate purchases over three consecutive business days totaling 764,202 shares for $4,477,207.14, with a blended average price of $5.86. The purchases increased the firm's holdings from 4,207,100 shares to 4,971,302 shares, representing a +18.2% increase in its existing position. The current stock price is $5.99, modestly above the blended transaction average, while the 30-day price change shows +13.0% and the stock trades at -43.1% from its 52-week high of $10.52. The company's fundamentals show quarterly revenue of $60,151,000.00 and net income of $330,000.00, with annual revenue growth of +4.0% and a P/E of 17.62.

Director Mansy Loan Nguyen bought 5,000 shares at blended $4.96 for $24,814.00; 6 other insiders also bought within 14 days.

Mansy Loan Nguyen, a director, executed 2 purchases totaling 5,000 shares (5.0K shares) for $24,814.00 at a blended average price of $4.96. This purchase increased her stake from 20,595 shares (20.6K shares) to 25,595 shares (25.6K shares). The transaction occurs in the context of a cluster buy pattern, with 6 other insiders also purchasing within the past 14 days. Against the company's latest quarterly revenue of $60,151,000.00 ($60.2M) and net income of $330,000.00 ($330.0K), this broad-based insider buying activity across multiple directors suggests alignment at the board level. Investors should monitor whether this pattern reflects management's assessment of value at current price levels relative to the company's financial position.

Director Parrillo bought 5,000 shares for $24,814.00 at HDSN; 5 other insiders bought within 14 days (cluster pattern)

Richard Parrillo, Director of Hudson Technologies, executed 2 separate purchases totaling 5,000 shares for $24,814.00 on 2026-05-14, increasing his holdings from 20.6K to 25.6K shares. This transaction occurs within a broader pattern: 5 other insiders also bought within the past 14 days, suggesting coordinated acquisition activity across the leadership group. While the company posted modest fundamentals (Revenue $60.2M, Net income $330.0K, Annual growth +4.0%), the synchronized purchasing by multiple directors warrants investor attention to understand the catalysts behind this concurrent accumulation.

Director Prouty buys 5,000 shares of HDSN at $4.84; part of 3-insider cluster buy in 14 days.

Eric A Prouty, a director at Hudson Technologies, purchased 5,000 shares at $4.84 on 2026-05-13, bringing his post-transaction holdings to 153,852 shares. This transaction is part of a broader pattern: 2 other insiders also made purchases within the past 14 days, constituting a cluster buy pattern. The company's recent quarterly revenue stood at $60,151,000.00 with net income of $330,000.00 and annual revenue growth of +4.0%, indicating stable but modest business performance. The synchronized buying activity by multiple insiders warrants monitoring to understand whether this reflects management's assessment of current valuation or broader confidence in near-term business dynamics.

Director Alan Sheriff bought 5,200 shares of HDSN at $4.88; cluster buy signal with 3 other insiders in 14 days

Director Alan Sheriff purchased 5,200 shares at $4.88 on 2026-05-13, increasing his holdings from 4,065 shares to 9,265 shares. This transaction occurs within a cluster pattern: 3 other insiders also bought within the past 14 days. The company is generating revenue of $60,151,000.00 with net income of $330,000.00 and annual revenue growth of +4.0%, indicating modest but positive operational fundamentals. Synchronized buying by multiple insiders at this price level merits monitoring, as it may reflect board-level perspective on valuation relative to company position, though the cluster pattern itself warrants verification of the timing and circumstances behind each insider's decision.

Director Jeffrey R Feeler buys 5,100 shares of HDSN at $4.92 for $25,092.00

Director Jeffrey R Feeler purchased 5,100 shares at $4.92, increasing his holding from 4,065 shares to 9,165 shares. The transaction occurred at a modest valuation context: the company reported quarterly revenue of $60,151,000.00 with net income of $330,000.00, reflecting tight profitability relative to sales. The annual revenue growth rate stands at +4.0%, indicating modest organic expansion. The discretionary buy signals continued board-level engagement with the equity, though the absolute dollar commitment of $25,092.00 and resulting position size remain modest relative to the company's market fundamentals.

HDSN CEO Kenneth Gaglione purchases 5,000 shares at $4.90; first open-market acquisition on record.

Kenneth Gaglione, President and CEO of Hudson Technologies, made his first documented open-market share purchase with 5,000 shares at $4.90, establishing an initial position of 5,000 shares. The company is operating with modest profitability ($330,000 net income on $60.2M quarterly revenue) and steady growth at 4.0% annual revenue expansion. The purchase establishes a baseline for evaluating whether this initial commitment will be followed by additional acquisitions or represent a one-time stake.

Director Coleman sold 484.6K shares (20.0% of holdings) at $7.40; stock now $6.99, down 30.9% in 90 days vs 52-week high.

Brian F. Coleman sold 484,616 shares at $7.40 on 2025-12-05, reducing his position from 2,428,928 to 1,944,312 shares. The sale occurred when HDSN traded materially above its current price of $6.99 and considerably above the 52-week low of $5.25. The stock has declined 30.9% over 90 days despite a modest 2.0% recovery in the last 30 days, and currently sits 33.0% below its 52-week high of $10.44. Company fundamentals show revenue contraction of 18.0% year-over-year, though net income of $12,374,000 remains positive on quarterly revenue of $74,012,000. The 20.0% reduction in Coleman's holdings represents a substantial position reduction by a director, warranting review of whether similar activity occurs across other insiders and whether the forward outlook justifies the recent revenue decline.

Director Abbatecola buys 3,500 shares of HDSN at $6.78; stock down -35.3% from 52-week high and -28.0% in 90 days.

Director Vincent P. Abbatecola purchased 3,500 shares at $6.78 on 2025-11-17, increasing his holdings from 166,248 to 169,748 shares. The transaction occurs after a sustained decline: HDSN is -35.3% from its 52-week high and -28.0% over the past 90 days, with an additional -22.8% drop in the past 30 days. Abbatecola's own cross-ticker track record on buys shows poor timing: 1 prior buy with an average 90-day return of -7.3%, and his single prior trade at HDSN (a buy on 2024-11-07) also resulted in a -7.3% 90-day return. The company's fundamentals reflect contraction: annual revenue has declined -18.0% year-over-year, though current profitability ($12.4M net income on $74.0M revenue) suggests operational viability. The limited transaction size (+2.1% vs. pre-transaction holdings) and the absence of a strong pattern of well-timed insider purchases at this ticker provide minimal conviction signals.