HUDSON TECHNOLOGIES INC /NY (HDSN)

Latest Insider Confidence Score

2026Q1

48.3
Bearish

Company insider confidence (by quarter)

2004Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Estate of Kevin J. Zugibe 10% Owner 375,000 Dec 3, 2020
Zugibe Kevin J CEO 375,000 Dec 23, 2019
Gaglione Kenneth VP-Operations 216,309 Nov 25, 2025
Abbatecola Vincent P Director 169,748 Nov 18, 2025
Harkins Charles F President 158,645 Dec 21, 2017

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 2, 2026 Stoody Robert Senior VP - Operations Neutral 52.5 - 0.00% -
Jan 8, 2026 Jan 12, 2026 Houghton Kathleen Sr. VP-Sales and Marketing Sell 20.0 -101,052 -19.51% $717.5K
Dec 5, 2025 Dec 15, 2025 COLEMAN BRIAN F Other Sell 17.5 -484,616 -53.16% $3.6M
Dec 5, 2025 Dec 9, 2025 COLEMAN BRIAN F Director Sell 17.5 -484,616 -19.95% $3.6M
Nov 24, 2025 Nov 25, 2025 Gaglione Kenneth CEO Neutral 52.5 - 0.00% -
Nov 24, 2025 Gaglione Kenneth CEO Neutral 52.5 - 0.00% -
Nov 17, 2025 Nov 18, 2025 ABBATECOLA VINCENT P Director Buy 78.8 +3,500 2.11% $23.7K
Sep 24, 2025 Sep 26, 2025 ABBATECOLA VINCENT P Director Sell 26.3 -3,519 -2.07% $34.9K
Jul 31, 2025 Aug 1, 2025 Prouty Eric A Director Sell 26.3 -3,713 -2.43% $34.9K
Jun 18, 2025 Jun 20, 2025 Bulgarino Nicole E Director Neutral 90.0 +3,182 43.49% -
Jun 18, 2025 Jun 20, 2025 Mansy Loan Nguyen Director Neutral 90.0 +6,365 44.73% -
Jun 18, 2025 Jun 20, 2025 ABBATECOLA VINCENT P Director Neutral 77.5 +3,182 1.97% -
Jun 18, 2025 Jun 20, 2025 Parrillo Richard Director Neutral 77.5 +3,182 1.74% -
Jun 18, 2025 Jun 20, 2025 Prouty Eric A Director Neutral 77.5 +3,182 2.20% -
Mar 13, 2025 Mar 17, 2025 Bertaux Brian J. CFO Neutral 52.5 - 0.00% -
Mar 13, 2025 Mar 17, 2025 COLEMAN BRIAN F CEO Neutral 52.5 - 0.00% -
Mar 13, 2025 Mar 17, 2025 Houghton Kathleen Sr. VP-Sales and Marketing Neutral 52.5 - 0.00% -
Nov 7, 2024 Nov 12, 2024 ABBATECOLA VINCENT P Director Buy 78.8 +2,500 1.57% $14.9K
Aug 7, 2024 Bertaux Brian J. CFO Neutral 52.5 - 0.00% -
Jun 19, 2024 Jun 21, 2024 Bulgarino Nicole E Director Neutral 90.0 +3,915 115.11% -
Jun 19, 2024 Jun 21, 2024 Mansy Loan Nguyen Director Neutral 90.0 +5,593 64.76% -
Jun 19, 2024 Jun 21, 2024 Parrillo Richard Director Neutral 77.5 +2,796 1.56% -
Jun 19, 2024 Jun 21, 2024 ABBATECOLA VINCENT P Director Neutral 52.5 - 0.00% -
Jun 19, 2024 Jun 21, 2024 Prouty Eric A Director Neutral 52.5 - 0.00% -
Jun 14, 2024 Jun 18, 2024 ABBATECOLA VINCENT P Director Sell 22.5 -10,000 -5.91% $92K
Jun 12, 2024 Jun 14, 2024 ABBATECOLA VINCENT P Director Sell 26.3 -3,055 -1.77% $28.1K
Feb 27, 2024 Feb 28, 2024 COLEMAN BRIAN F CEO Neutral 52.5 - 0.00% -
Feb 27, 2024 Feb 28, 2024 Krishnamurti Nat CFO Neutral 52.5 - 0.00% -
Feb 27, 2024 Feb 28, 2024 Houghton Kathleen Sr. VP-Sales and Marketing Neutral 52.5 - 0.00% -
Dec 12, 2023 Dec 14, 2023 Parrillo Richard Director Sell 20.0 -72,604 -28.77% $943.6K
Oct 25, 2023 Oct 27, 2023 ABBATECOLA VINCENT P Director Sell 26.3 -3,063 -1.83% $39.7K
Sep 12, 2023 Sep 14, 2023 Gaglione Kenneth VP-Operations Sell 17.5 -101,473 -25.98% $1.2M
Jul 19, 2023 Jul 27, 2023 ABBATECOLA VINCENT P Director Sell 26.3 -2,252 -1.52% $21.3K
Jul 19, 2023 Jul 27, 2023 Parrillo Richard Director Sell 36.3 -2,252 -0.88% $21.3K
Jun 14, 2023 Jun 22, 2023 Bulgarino Nicole E Director Neutral 52.5 - 0.00% -
Jun 14, 2023 Jun 16, 2023 Prouty Eric A Director Neutral 77.5 +2,618 1.84% -
Jun 14, 2023 Jun 16, 2023 Parrillo Richard Director Neutral 52.5 - 0.00% -
Jun 14, 2023 Jun 16, 2023 ABBATECOLA VINCENT P Director Neutral 52.5 - 0.00% -
Jun 14, 2023 Jun 16, 2023 MANDRACCHIA STEPHEN P Director Neutral 52.5 - 0.00% -
Jun 14, 2023 Jun 16, 2023 Mansy Loan Nguyen Director Neutral 90.0 +5,236 153.95% -
Jun 14, 2023 Jun 15, 2023 Prouty Eric A Director Sell 22.5 -20,000 -12.34% $191.2K
Jun 2, 2023 Jun 6, 2023 Prouty Eric A Director Sell 26.3 -4,626 -2.78% $42.6K
Mar 14, 2023 Mar 15, 2023 ABBATECOLA VINCENT P Director Buy 67.5 +1,000 0.80% $8.3K
Mar 1, 2023 Mar 3, 2023 COLEMAN BRIAN F CEO Neutral 52.5 - 0.00% -
Mar 1, 2023 Mar 3, 2023 Krishnamurti Nat CFO Neutral 52.5 - 0.00% -
Mar 1, 2023 Mar 3, 2023 Gaglione Kenneth VP-Operations Neutral 52.5 - 0.00% -
Mar 1, 2023 Mar 3, 2023 Houghton Kathleen VP-Sales and Marketing Neutral 52.5 - 0.00% -
Jun 9, 2021 Feb 7, 2023 Houghton Kathleen VP-Sales and Marketing Sell 26.3 -6,685 -13.97% $19.8K
Jan 6, 2023 Jan 9, 2023 MANDRACCHIA STEPHEN P Director Neutral 27.5 -10,000 -2.00% -
Dec 12, 2022 Dec 14, 2022 Gaglione Kenneth VP-Operations Sell 20.0 -33,508 -67.95% $389.4K
Nov 8, 2022 Nov 10, 2022 Krishnamurti Nat CFO Sell 17.5 -175,000 -87.41% $1.9M
Sep 30, 2022 Oct 4, 2022 Bulgarino Nicole E Director Neutral 90.0 +3,401 100.00% -
Oct 4, 2022 Bulgarino Nicole E Director Neutral 52.5 - 0.00% -
Sep 30, 2022 Oct 4, 2022 Mansy Loan Nguyen Director Neutral 90.0 +3,401 100.00% -
Oct 4, 2022 Mansy Loan Nguyen Director Neutral 52.5 - 0.00% -
Sep 30, 2022 Oct 4, 2022 Parrillo Richard Director Neutral 67.5 +2,143 0.93% -
Sep 30, 2022 Oct 4, 2022 Prouty Eric A Director Neutral 52.5 - 0.00% -
Sep 30, 2022 Oct 4, 2022 MANDRACCHIA STEPHEN P Director Neutral 52.5 - 0.00% -
Sep 30, 2022 Oct 4, 2022 ABBATECOLA VINCENT P Director Neutral 52.5 - 0.00% -
Aug 8, 2022 Aug 8, 2022 MANDRACCHIA STEPHEN P Director Neutral 52.5 -1,000 -0.20% -
Jul 5, 2022 Jul 6, 2022 MORCH OTTO C Director Neutral 52.5 - 0.00% -
Jun 15, 2022 Jun 17, 2022 ABBATECOLA VINCENT P Director Sell 22.5 -20,000 -13.74% $194.9K
Jun 9, 2022 Jun 13, 2022 ABBATECOLA VINCENT P Director Neutral 52.5 - 0.00% -
Jun 9, 2022 Jun 13, 2022 MANDRACCHIA STEPHEN P Director Neutral 52.5 - 0.00% -
Jun 9, 2022 Jun 13, 2022 Prouty Eric A Director Neutral 52.5 - 0.00% -
Jun 9, 2022 Jun 13, 2022 Parrillo Richard Director Neutral 52.5 - 0.00% -
Jun 9, 2022 Jun 13, 2022 MORCH OTTO C Director Neutral 52.5 - 0.00% -
Jun 3, 2022 Jun 6, 2022 ABBATECOLA VINCENT P Director Sell 22.5 -20,000 -12.08% $195.8K
May 27, 2022 May 31, 2022 MANDRACCHIA STEPHEN P Director Sell 17.5 -150,000 -23.05% $1.5M
May 17, 2022 May 18, 2022 MANDRACCHIA STEPHEN P Director Neutral 27.5 -14,000 -2.11% -
May 9, 2022 May 9, 2022 Prouty Eric A Director Sell 20.0 -75,000 -37.85% $675K
May 6, 2022 May 9, 2022 Prouty Eric A Director Sell 26.3 -5,339 -2.62% $49.6K
Apr 18, 2022 Apr 18, 2022 MANDRACCHIA STEPHEN P Director Neutral 27.5 -10,000 -1.48% -
Mar 31, 2022 Apr 1, 2022 Parrillo Richard Director Sell 22.5 -8,396 -1.79% $51.8K
Mar 11, 2022 Mar 14, 2022 MANDRACCHIA STEPHEN P Director Sell 17.5 -200,000 -22.86% $1.2M
Feb 24, 2022 Feb 28, 2022 COLEMAN BRIAN F CEO Neutral 52.5 - 0.00% -
Feb 24, 2022 Feb 28, 2022 Krishnamurti Nat CFO Neutral 52.5 - 0.00% -
Feb 24, 2022 Feb 28, 2022 Houghton Kathleen VP-Sales and Marketing Neutral 52.5 - 0.00% -
Feb 24, 2022 Feb 28, 2022 Gaglione Kenneth VP-Operations Neutral 52.5 - 0.00% -
Feb 15, 2022 Feb 17, 2022 MANDRACCHIA STEPHEN P Director Sell 26.3 -11,580 -1.32% $42.5K
Jan 21, 2022 Feb 8, 2022 MANDRACCHIA STEPHEN P Director Neutral 27.5 -16,000 -1.84% -
Nov 30, 2021 Feb 8, 2022 MANDRACCHIA STEPHEN P Director Neutral 27.5 -15,000 -1.70% -
Feb 3, 2022 Feb 4, 2022 Houghton Kathleen VP - Sales and Marketing Sell 26.3 -12,259 -20.40% $45.7K
Dec 10, 2021 Jan 18, 2022 ABBATECOLA VINCENT P Director Sell 22.5 -35,320 -17.78% $142.8K
Dec 15, 2021 Jan 18, 2022 ABBATECOLA VINCENT P Director Sell 22.5 -33,000 -20.21% $126K
Nov 26, 2021 Jan 18, 2022 ABBATECOLA VINCENT P Director Neutral 52.5 - 0.00% -
Dec 9, 2021 Dec 13, 2021 Gaglione Kenneth VP-Operations Sell 22.5 -25,293 -53.25% $106.5K
Nov 18, 2021 Nov 19, 2021 MANDRACCHIA STEPHEN P Director Sell 20.0 -200,000 -18.31% $941.6K
Nov 15, 2021 Nov 17, 2021 Krishnamurti Nat CFO Sell 17.5 -432,375 -54.69% $2M
Nov 15, 2021 Nov 17, 2021 COLEMAN BRIAN F CEO Sell 17.5 -518,825 -24.39% $2.4M
Sep 13, 2021 Sep 15, 2021 MONETTA DOMINIC J Director Sell 22.5 -51,093 -6.15% $165.5K
Aug 30, 2021 Aug 31, 2021 Prouty Eric A Director Sell 26.3 -14,272 -10.36% $46.4K
Aug 24, 2021 Aug 26, 2021 MONETTA DOMINIC J Director Sell 26.3 -9,985 -9.17% $32.8K
Aug 17, 2021 Aug 18, 2021 COLEMAN BRIAN F CEO Buy 90.0 +25,000 5.05% $72.3K
Aug 9, 2021 Aug 9, 2021 MORCH OTTO C Director Sell 22.5 -57,211 -60.67% $182.9K
Jul 29, 2021 Aug 2, 2021 MORCH OTTO C Director Sell 22.5 -25,984 -21.60% $90.7K
Jul 1, 2021 Jul 6, 2021 ABBATECOLA VINCENT P Director Neutral 52.5 - 0.00% -
Jul 1, 2021 Jul 2, 2021 Parrillo Richard Director Neutral 52.5 - 0.00% -
Jul 1, 2021 Jul 2, 2021 MANDRACCHIA STEPHEN P Director Neutral 60.0 +3,529 0.32% -
Jul 1, 2021 Jul 2, 2021 Caruso Richard Damian Director Neutral 90.0 +1,471 28.83% -