HDSN US Equity

Hudson Technologies Inc /Ny

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Consumer Discretionary · Wholesale-Machinery, Equipment & Supplies · CIK 925528 · FY ends Dec 31

$5.63

+0.06 (+1.08%)

USD · as of 2026-08-21 · marketstack

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Institutional holders Index & fund register Insiders (Form 4)Government

Insider activity· execs, directors & 10%-owners · HDSN

Open-market buys · 12mo

12 · $233,269

Open-market sells · 12mo

2 · $7M

Net · 12mo

−$7M · −94%

Signal = open-market buys/sells (P/S); grants, exercises, tax, gifts are mechanics. Filings through 2026-06-30 only.

Date	Insider	Role	Transaction	Shares	Price	Value
2026-06-17	Feeler Jeffrey R	Director	+Grant	3,219	—	—
2026-06-17	Mansy Loan Nguyen	Director	+Grant	8,881	—	—
2026-06-17	Prouty Eric A	Director	+Grant	4,440	—	—
2026-06-17	Sheriff Alan	Director	+Grant	3,219	—	—
2026-05-19	Bertaux Brian J.	Officer	+Buy	2,000	$4.87	$9,740
2026-05-14	Feeler Jeffrey R	Director	+Buy	5,100	$4.92	$25,092
2026-05-14	Bulgarino Nicole E	Director	+Buy	550	$4.85	$2,668
2026-05-14	Parrillo Richard	Director	+Buy	1,400	$4.97	$6,958
2026-05-14	Parrillo Richard	Director	+Buy	3,600	$4.96	$17,856
2026-05-14	Mansy Loan Nguyen	Director	+Buy	3,600	$4.96	$17,856
2026-05-14	Mansy Loan Nguyen	Director	+Buy	1,400	$4.97	$6,958
2026-05-13	Gaglione Kenneth	Director,Officer	+Buy	5,000	$4.90	$24,500
2026-05-13	Sheriff Alan	Director	+Buy	5,200	$4.88	$25,376
2026-05-13	Prouty Eric A	Director	+Buy	5,000	$4.84	$24,200
2026-05-13	Parrillo Richard	Director	+Buy	10,000	$4.83	$48,300
2026-04-10	Feeler Jeffrey R	Director	+Grant	4,065	—	—
2026-04-10	Sheriff Alan	Director	+Grant	4,065	—	—
2026-01-08	Houghton Kathleen	Director,Officer	−Tax w/h	21,797	$7.10	$154,759
2026-01-08	Houghton Kathleen	Director,Officer	+Exercise	120,000	$0.75	$90,000
2026-01-08	Houghton Kathleen	Director,Officer	−Tax w/h	44,873	$7.10	$318,598
2026-01-08	Houghton Kathleen	Director,Officer	+Exercise	47,619	$1.60	$76,190
2026-01-08	Houghton Kathleen	Director,Officer	+Exercise	50,888	$3.81	$193,883
2026-01-08	Houghton Kathleen	Director,Officer	−Tax w/h	34,382	$7.10	$244,112
2025-12-05	COLEMAN BRIAN F	Director	−Sell	484,616	$7.40	$4M
2025-12-05	COLEMAN BRIAN F	Other	−Sell	484,616	$7.40	$4M
2025-11-17	ABBATECOLA VINCENT P	Director	+Buy	3,500	$6.79	$23,765
2025-09-24	ABBATECOLA VINCENT P	Director	−Tax w/h	3,519	$9.91	$34,873
2025-09-24	ABBATECOLA VINCENT P	Director	+Exercise	4,744	$7.35	$34,868
2025-07-31	Prouty Eric A	Director	+Exercise	4,744	$7.35	$34,868
2025-07-31	Prouty Eric A	Director	−Tax w/h	3,713	$9.39	$34,865
2025-06-18	Prouty Eric A	Director	+Grant	3,182	—	—
2025-06-18	Parrillo Richard	Director	+Grant	3,182	—	—
2025-06-18	ABBATECOLA VINCENT P	Director	+Grant	3,182	—	—
2025-06-18	Mansy Loan Nguyen	Director	+Grant	6,365	—	—
2025-06-18	Bulgarino Nicole E	Director	+Grant	3,182	—	—
2024-11-07	ABBATECOLA VINCENT P	Director	+Buy	2,500	$5.98	$14,950
2024-06-19	Parrillo Richard	Director	+Grant	2,796	—	—
2024-06-19	Mansy Loan Nguyen	Director	+Grant	5,593	—	—
2024-06-19	Bulgarino Nicole E	Director	+Grant	3,915	—	—
2024-06-14	ABBATECOLA VINCENT P	Director	−Sell	10,000	$9.20	$92,000
2024-06-12	ABBATECOLA VINCENT P	Director	−Tax w/h	3,055	$9.21	$28,137
2024-06-12	ABBATECOLA VINCENT P	Director	+Exercise	8,276	$3.40	$28,138
2023-12-14	Parrillo Richard	Director	−Sell	2,259	$13.31	$30,067
2023-12-14	Parrillo Richard	Director	−Sell	55	$13.32	$733
2023-12-14	Parrillo Richard	Director	−Sell	12,686	$13.30	$168,724
2023-12-14	Parrillo Richard	Director	−Sell	51	$13.27	$677
2023-12-14	Parrillo Richard	Director	−Sell	51	$13.26	$676
2023-12-14	Parrillo Richard	Director	−Sell	5,103	$13.25	$67,615
2023-12-13	Parrillo Richard	Director	−Sell	11,100	$12.95	$143,745
2023-12-13	Parrillo Richard	Director	−Sell	9,865	$12.91	$127,357
2023-12-13	Parrillo Richard	Director	−Sell	300	$12.96	$3,888
2023-12-13	Parrillo Richard	Director	−Sell	134	$12.92	$1,731
2023-12-13	Parrillo Richard	Director	−Sell	1,000	$12.91	$12,910
2023-12-12	Parrillo Richard	Director	−Sell	10,000	$12.75	$127,500
2023-12-12	Parrillo Richard	Director	−Sell	10,000	$12.95	$129,500
2023-12-12	Parrillo Richard	Director	−Sell	10,000	$12.85	$128,500
2023-10-25	ABBATECOLA VINCENT P	Director	−Tax w/h	3,063	$12.96	$39,696
2023-10-25	ABBATECOLA VINCENT P	Director	+Exercise	21,118	$1.88	$39,702
2023-09-12	Gaglione Kenneth	Officer	+Exercise	23,902	$3.81	$91,067
2023-09-12	Gaglione Kenneth	Officer	−Tax w/h	12,144	$12.14	$147,428
2023-09-12	Gaglione Kenneth	Officer	+Exercise	23,810	$1.60	$38,096
2023-09-12	Gaglione Kenneth	Officer	−Tax w/h	44,774	$12.14	$543,556
2023-09-12	Gaglione Kenneth	Officer	+Exercise	90,135	$1.23	$110,866
2023-09-12	Gaglione Kenneth	Officer	−Tax w/h	30,124	$12.14	$365,705
2023-09-12	Gaglione Kenneth	Officer	−Tax w/h	14,431	$12.14	$175,192
2023-09-12	Gaglione Kenneth	Officer	+Exercise	33,379	$10.09	$336,794
2023-07-19	Parrillo Richard	Director	+Exercise	21,739	$0.98	$21,304
2023-07-19	Parrillo Richard	Director	−Tax w/h	2,252	$9.46	$21,304
2023-07-19	ABBATECOLA VINCENT P	Director	+Exercise	21,739	$0.98	$21,304
2023-07-19	ABBATECOLA VINCENT P	Director	−Tax w/h	2,252	$9.46	$21,304
2023-06-14	Prouty Eric A	Director	−Sell	20,000	$9.56	$191,200
2023-06-14	Mansy Loan Nguyen	Director	+Grant	5,236	—	—
2023-06-14	Prouty Eric A	Director	+Grant	2,618	—	—
2023-06-02	Prouty Eric A	Director	−Tax w/h	4,626	$9.21	$42,605
2023-06-02	Prouty Eric A	Director	+Exercise	43,478	$0.98	$42,608
2023-03-14	ABBATECOLA VINCENT P	Director	+Buy	1,000	$8.27	$8,270
2023-01-06	MANDRACCHIA STEPHEN P	Director	−Gift	10,000	—	—
2022-12-13	Gaglione Kenneth	Officer	−Tax w/h	14,508	$11.74	$170,324
2022-12-13	Gaglione Kenneth	Officer	+Exercise	23,902	$3.81	$91,067
2022-12-12	Gaglione Kenneth	Officer	−Sell	19,000	$11.53	$219,070
2022-11-09	Krishnamurti Nat	Officer	−Sell	46,194	$10.13	$467,945
2022-11-08	Krishnamurti Nat	Officer	−Sell	45,000	$10.66	$479,700
2022-11-08	Krishnamurti Nat	Officer	−Tax w/h	83,806	$10.80	$905,105
2022-11-08	Krishnamurti Nat	Officer	+Exercise	175,000	$0.75	$131,250
2022-09-30	Parrillo Richard	Director	+Grant	2,143	—	—
2022-09-30	Mansy Loan Nguyen	Director	+Grant	3,401	—	—
2022-09-30	Bulgarino Nicole E	Director	+Grant	3,401	—	—
2022-08-08	MANDRACCHIA STEPHEN P	Director	−Gift	1,000	—	—
2022-07-05	MORCH OTTO C	Director	+Exercise	10,281	$3.27	$33,619
2022-07-05	MORCH OTTO C	Director	+Exercise	40,000	$0.62	$24,800
2022-06-15	ABBATECOLA VINCENT P	Director	−Sell	20,000	$9.75	$195,000
2022-06-03	ABBATECOLA VINCENT P	Director	+Exercise	25,000	$0.75	$18,750
2022-06-03	ABBATECOLA VINCENT P	Director	+Exercise	10,281	$3.27	$33,619
2022-06-03	ABBATECOLA VINCENT P	Director	−Sell	20,000	$9.79	$195,800
2022-05-31	MANDRACCHIA STEPHEN P	Director	−Sell	27,892	$9.70	$270,552
2022-05-31	MANDRACCHIA STEPHEN P	Director	−Sell	55,785	$9.70	$541,115
2022-05-27	MANDRACCHIA STEPHEN P	Director	−Sell	22,108	$9.73	$215,111
2022-05-27	MANDRACCHIA STEPHEN P	Director	−Sell	44,215	$9.73	$430,212
2022-05-17	MANDRACCHIA STEPHEN P	Director	−Gift	14,000	—	—
2022-05-09	Prouty Eric A	Director	−Sell	75,000	$9.00	$675,000
2022-05-06	Prouty Eric A	Director	+Exercise	80,000	$0.62	$49,600
2022-05-06	Prouty Eric A	Director	−Tax w/h	5,339	$9.29	$49,599
2022-04-18	MANDRACCHIA STEPHEN P	Director	−Gift	10,000	—	—
2022-03-31	Parrillo Richard	Director	+Exercise	80,000	$0.62	$49,600
2022-03-31	Parrillo Richard	Director	−Tax w/h	8,038	$6.17	$49,594
2022-03-31	Parrillo Richard	Director	+Exercise	1,300	$1.70	$2,210
2022-03-31	Parrillo Richard	Director	−Tax w/h	358	$6.17	$2,209
2022-03-11	MANDRACCHIA STEPHEN P	Director	−Sell	100,000	$5.78	$578,000
2022-03-11	MANDRACCHIA STEPHEN P	Director	−Sell	100,000	$5.75	$575,000
2022-02-15	MANDRACCHIA STEPHEN P	Director	+Exercise	25,000	$1.70	$42,500
2022-02-15	MANDRACCHIA STEPHEN P	Director	−Tax w/h	11,580	$3.67	$42,499
2022-02-03	Houghton Kathleen	Officer	+Exercise	20,000	$1.25	$25,000
2022-02-03	Houghton Kathleen	Officer	−Tax w/h	12,259	$3.73	$45,726
2022-01-21	MANDRACCHIA STEPHEN P	Director	−Gift	8,000	—	—
2022-01-21	MANDRACCHIA STEPHEN P	Director	−Gift	8,000	—	—
2021-12-16	ABBATECOLA VINCENT P	Director	−Sell	10,000	$3.76	$37,600
2021-12-15	ABBATECOLA VINCENT P	Director	−Sell	23,000	$3.84	$88,320
2021-12-10	ABBATECOLA VINCENT P	Director	−Sell	35,320	$4.04	$142,693
2021-12-09	Gaglione Kenneth	Officer	−Tax w/h	25,293	$4.21	$106,484
2021-12-09	Gaglione Kenneth	Officer	+Exercise	45,000	$1.23	$55,350

SEC Form 3/4/5 through 2026-06-30 · P buy · S sell · A grant · M/X/C exercise · F tax · G gift.

A model's estimate — for research. See the Disclaimer.

HDSN US Equity☆

Insider activity· execs, directors & 10%-owners · HDSN

Insider activity· execs, directors & 10%-owners · HDSN

HDSN US Equity