HDSN

Hudson Technologies Inc /Ny

Company with tickers: HDSN

CIK

925528

CUSIP

444144109

Shares Outstanding

42,068,788

13F Activity (30d)

96 filings 91 filers

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-19	Bertaux Brian J.	VP and CFO	Buy	2,000	$4.87	$9,740	2,000
2026-05-14	Mansy Loan Nguyen	Director	Buy	3,600	$4.96	$17,856	24,195
2026-05-14	Feeler Jeffrey R	Director	Buy	5,100	$4.92	$25,092	9,165
2026-05-14	Bulgarino Nicole E	Director	Buy	550	$4.85	$2,665	11,048
2026-05-14	Parrillo Richard	Director	Buy	1,400	$4.97	$6,958	25,595
2026-05-14	Parrillo Richard	Director	Buy	3,600	$4.96	$17,856	24,195
2026-05-14	Mansy Loan Nguyen	Director	Buy	1,400	$4.97	$6,958	25,595
2026-05-13	Prouty Eric A	Director	Buy	5,000	$4.84	$24,200	153,852
2026-05-13	Gaglione Kenneth	Director, President and CEO	Other	37,504	—	—	37,504
2026-05-13	Gaglione Kenneth	Director, President and CEO	Buy	5,000	$4.90	$24,475	5,000
2026-05-13	Sheriff Alan	Director	Buy	5,200	$4.88	$25,350	9,265
2026-04-10	Sheriff Alan	Director	Award	4,065	—	—	4,065
2026-04-10	Feeler Jeffrey R	Director	Other	0	—	—	0
2026-04-10	Sheriff Alan	Director	Other	0	—	—	0
2026-04-10	Feeler Jeffrey R	Director	Award	4,065	—	—	4,065
2026-01-30	Stoody Robert	Senior VP - Operations	Other	0	—	—	0
2026-01-30	Stoody Robert	Senior VP - Operations	Other	0	—	—	0
2026-01-30	Stoody Robert	Senior VP - Operations	Other	70,047	—	—	70,047
2026-01-30	Stoody Robert	Senior VP - Operations	Other	0	—	—	0
2026-01-08	Houghton Kathleen	Director, Sr. VP-Sales and Marketing	Convert	47,619	$1.60	$76,190	163,909
2026-01-08	Houghton Kathleen	Director, Sr. VP-Sales and Marketing	Convert	120,000	$0.75	$90,000	161,163
2026-01-08	Houghton Kathleen	Director, Sr. VP-Sales and Marketing	Convert	50,888	$3.81	$193,883	193,000
2026-01-08	Houghton Kathleen	Director, Sr. VP-Sales and Marketing	Tax	21,797	$7.10	$154,759	142,112
2026-01-08	Houghton Kathleen	Director, Sr. VP-Sales and Marketing	Convert	50,888	—	—	0
2026-01-08	Houghton Kathleen	Director, Sr. VP-Sales and Marketing	Tax	44,873	$7.10	$318,598	116,290
2026-01-08	Houghton Kathleen	Director, Sr. VP-Sales and Marketing	Convert	47,619	—	—	0
2026-01-08	Houghton Kathleen	Director, Sr. VP-Sales and Marketing	Convert	120,000	—	—	0
2026-01-08	Houghton Kathleen	Director, Sr. VP-Sales and Marketing	Tax	34,382	$7.10	$244,112	158,618
2025-12-05	COLEMAN BRIAN F	Director	Sell	484,616	$7.40	$3,588,097	1,944,312
2025-11-24	Gaglione Kenneth	Director, President and CEO	Award	216,309	—	—	216,309
2025-11-24	Gaglione Kenneth	Director, President and CEO	Other	0	—	—	0
2025-11-24	Gaglione Kenneth	Director, President and CEO	Other	37,504	—	—	37,504
2025-11-17	ABBATECOLA VINCENT P	Director	Buy	3,500	$6.79	$23,748	169,748
2025-09-24	ABBATECOLA VINCENT P	Director	Convert	4,744	—	—	0
2025-09-24	ABBATECOLA VINCENT P	Director	Convert	4,744	$7.35	$34,868	169,767
2025-09-24	ABBATECOLA VINCENT P	Director	Tax	3,519	$9.91	$34,873	166,248
2025-07-31	Prouty Eric A	Director	Tax	3,713	$9.39	$34,865	148,852
2025-07-31	Prouty Eric A	Director	Convert	4,744	$7.35	$34,868	152,565
2025-07-31	Prouty Eric A	Director	Convert	4,744	—	—	0
2025-06-18	Parrillo Richard	Director	Award	13,698	—	—	13,698
2025-06-18	ABBATECOLA VINCENT P	Director	Award	3,182	—	—	165,023
2025-06-18	ABBATECOLA VINCENT P	Director	Award	13,698	—	—	13,698
2025-06-18	Mansy Loan Nguyen	Director	Award	13,698	—	—	13,698
2025-06-18	Parrillo Richard	Director	Award	3,182	—	—	185,746
2025-06-18	Bulgarino Nicole E	Director	Award	13,698	—	—	13,698
2025-06-18	Prouty Eric A	Director	Award	13,698	—	—	13,698
2025-06-18	Prouty Eric A	Director	Award	3,182	—	—	147,821
2025-06-18	Bulgarino Nicole E	Director	Award	3,182	—	—	10,498
2025-06-18	Mansy Loan Nguyen	Director	Award	6,365	—	—	20,595
2025-03-13	Bertaux Brian J.	VP and CFO	Award	55,109	—	—	55,109

Showing 1–50 of 359 transactions