FilingPulse

HDSN insider transaction filings

HUDSON TECHNOLOGIES INC /NY — 37 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-14. Screen HDSN transaction legs live →

FiledFormInsiderReported transactionsSource
2026-08-144Hartree Partners, LP — 10% ownerPurchase (P): 5,198 @ $5.50EDGAR
2026-07-314Hartree Partners, LP — 10% ownerPurchase (P): 52,104 @ $5.99EDGAR
2026-07-224Hartree Partners, LP — 10% ownerPurchase (P): 17,842 @ $5.99 · Purchase (P): 47,708 @ $5.99EDGAR
2026-07-084Hartree Partners, LP — 10% ownerPurchase (P): 4,634 @ $5.99 · Purchase (P): 600 @ $5.99EDGAR
2026-07-024Hartree Partners, LP — 10% ownerPurchase (P): 204,789 @ $5.68 · Purchase (P): 288,111 @ $5.88 · Purchase (P): 271,302 @ $5.97EDGAR
2026-06-224Mansy Loan Nguyen — DirectorGrant/award (A): 8,881 @ $0 · Grant/award (A): 21,186 (derivative) @ $0EDGAR
2026-06-224Sheriff Alan — DirectorGrant/award (A): 3,219 @ $0 · Grant/award (A): 15,360 (derivative) @ $0EDGAR
2026-06-224Bulgarino Nicole E — DirectorGrant/award (A): 31,780 (derivative) @ $0EDGAR
2026-06-224Parrillo Richard — DirectorGrant/award (A): 31,780 (derivative) @ $0EDGAR
2026-06-224Prouty Eric A — DirectorGrant/award (A): 4,440 @ $0 · Grant/award (A): 21,186 (derivative) @ $0EDGAR
2026-06-224Feeler Jeffrey R — DirectorGrant/award (A): 3,219 @ $0 · Grant/award (A): 15,360 (derivative) @ $0EDGAR
2026-05-214Bertaux Brian J. — Chief Financial OfficerPurchase (P): 2,000 @ $4.87EDGAR
2026-05-214/AParrillo Richard — DirectorPurchase (P): 10,000 @ $4.83EDGAR
2026-05-154Mansy Loan Nguyen — DirectorPurchase (P): 3,600 @ $4.96 · Purchase (P): 1,400 @ $4.97EDGAR
2026-05-154Gaglione Kenneth — President and CEO, DirectorPurchase (P): 5,000 @ $4.89EDGAR
2026-05-154Sheriff Alan — DirectorPurchase (P): 5,200 @ $4.88EDGAR
2026-05-154Bulgarino Nicole E — DirectorPurchase (P): 550 @ $4.84EDGAR
2026-05-154Parrillo Richard — DirectorPurchase (P): 3,600 @ $4.96 · Purchase (P): 1,400 @ $4.97EDGAR
2026-05-154Prouty Eric A — DirectorPurchase (P): 5,000 @ $4.84EDGAR
2026-05-154Feeler Jeffrey R — DirectorPurchase (P): 5,100 @ $4.92EDGAR
2026-04-144Sheriff Alan — DirectorGrant/award (A): 4,065 @ $0EDGAR
2026-04-144Feeler Jeffrey R — DirectorGrant/award (A): 4,065 @ $0EDGAR
2026-01-124Houghton Kathleen — Sr. VP-Sales and Marketing, DirectorOption exercise (M): 120,000 @ $0.75 · Tax withholding (F): 44,873 @ $7.10 · Option exercise (M): 47,619 @ $1.60 · Tax withholding (F): 21,797 @ $7.10 · Option exercise (M): 50,888 @ $3.81 · Tax withholding (F): 34,382 @ $7.10 · +3 moreEDGAR
2025-12-154/ACOLEMAN BRIAN FSale (S): 484,616 @ $7.40EDGAR
2025-12-094COLEMAN BRIAN F — DirectorSale (S): 484,616 @ $7.40EDGAR
2025-11-254Gaglione Kenneth — President and CEO, DirectorGrant/award (A): 216,309 (derivative) @ $0EDGAR
2025-11-184ABBATECOLA VINCENT P — DirectorPurchase (P): 3,500 @ $6.79EDGAR
2025-09-264ABBATECOLA VINCENT P — DirectorOption exercise (M): 4,744 @ $7.35 · Tax withholding (F): 3,519 @ $9.91 · Option exercise (M): 4,744 (derivative) @ $0EDGAR
2025-08-014Prouty Eric A — DirectorOption exercise (M): 4,744 @ $7.35 · Tax withholding (F): 3,713 @ $9.39 · Option exercise (M): 4,744 (derivative) @ $0EDGAR
2025-06-204Mansy Loan Nguyen — DirectorGrant/award (A): 6,365 @ $0 · Grant/award (A): 13,698 (derivative) @ $0EDGAR
2025-06-204Bulgarino Nicole E — DirectorGrant/award (A): 3,182 @ $0 · Grant/award (A): 13,698 (derivative) @ $0EDGAR
2025-06-204Parrillo Richard — DirectorGrant/award (A): 3,182 @ $0 · Grant/award (A): 13,698 (derivative) @ $0EDGAR
2025-06-204Prouty Eric A — DirectorGrant/award (A): 3,182 @ $0 · Grant/award (A): 13,698 (derivative) @ $0EDGAR
2025-06-204ABBATECOLA VINCENT P — DirectorGrant/award (A): 3,182 @ $0 · Grant/award (A): 13,698 (derivative) @ $0EDGAR
2025-03-174Bertaux Brian J. — VP and CFOGrant/award (A): 55,109 (derivative) @ $0EDGAR
2025-03-174Houghton Kathleen — Sr. VP-Sales and Marketing, DirectorGrant/award (A): 72,477 (derivative) @ $0EDGAR
2025-03-174COLEMAN BRIAN F — President, CEO, DirectorGrant/award (A): 140,813 (derivative) @ $0EDGAR

Recent 8-K events — HUDSON TECHNOLOGIES INC /NY

FiledFormItems reportedSource
2026-08-068-K8.01 — Other Events
9.01 — Financial Statements and Exhibits		EDGAR
2026-08-058-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits		EDGAR
2026-06-128-K8.01 — Other EventsEDGAR
2026-06-118-K5.07 — Submission of Matters to a Vote of Security HoldersEDGAR
2026-05-288-K8.01 — Other Events
9.01 — Financial Statements and Exhibits		EDGAR
2026-05-208-K1.01 — Entry into a Material Definitive Agreement
2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
9.01 — Financial Statements and Exhibits		EDGAR
2026-05-188-K7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits		EDGAR
2026-05-068-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits		EDGAR
2026-04-138-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits		EDGAR
2026-03-188-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
8.01 — Other Events
9.01 — Financial Statements and Exhibits		EDGAR
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