InsiderClue
Stocks · Industrials · Wholesale-Machinery, Equipment & Supplies

HUDSON TECHNOLOGIES INC

HDSN Clue Score51
United States Fiscal year ends December CIK 0000925528 Results filed 28 Oct 2026
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What the insiders did Net selling

Individual transactions

64
Insider
Date
Role
Action
Shares
Price
Amount
Kathleen Houghton
8 Jan 2026
Sr. VP-Sales and Marketing
Exercised, kept
50,888
$3.81
$193.88K
Kathleen Houghton
8 Jan 2026
Sr. VP-Sales and Marketing
Exercised, kept
47,619
$1.60
$76.19K
Kathleen Houghton
8 Jan 2026
Sr. VP-Sales and Marketing
Exercised, kept
120,000
$0.75
$90.00K
Vincent P Abbatecola
24 Sep 2025
Director
Exercised, kept
4,744
$7.35
$34.87K
Eric A Prouty
31 Jul 2025
Director
Exercised, kept
4,744
$7.35
$34.87K
Vincent P Abbatecola
12 Jun 2024
Director
Exercised, kept
8,276
$3.40
$28.14K
Vincent P Abbatecola
25 Oct 2023
Director
Exercised, kept
21,118
$1.88
$39.70K
Kenneth Gaglione
12 Sep 2023
VP-Operations
Exercised, kept
33,379
$10.09
$336.79K
Kenneth Gaglione
12 Sep 2023
VP-Operations
Exercised, kept
23,902
$3.81
$91.07K
Kenneth Gaglione
12 Sep 2023
VP-Operations
Exercised, kept
23,810
$1.60
$38.10K
Kenneth Gaglione
12 Sep 2023
VP-Operations
Exercised, kept
90,135
$1.23
$110.87K
Richard Parrillo
19 Jul 2023
Director
Exercised, kept
21,739
$0.98
$21.30K
Vincent P Abbatecola
19 Jul 2023
Director
Exercised, kept
21,739
$0.98
$21.30K
Eric A Prouty
2 Jun 2023
Director
Exercised, kept
43,478
$0.98
$42.61K
Kenneth Gaglione
13 Dec 2022
VP-Operations
Exercised, kept
23,902
$3.81
$91.07K
Otto C Morch
5 Jul 2022
Director
Exercised, kept
40,000
$0.62
$24.80K
Otto C Morch
5 Jul 2022
Director
Exercised, kept
10,281
$3.27
$33.62K
Eric A Prouty
6 May 2022
Director
Exercised, kept
80,000
$0.62
$49.60K
Richard Parrillo
31 Mar 2022
Director
Exercised, kept
1,300
$1.70
$2.21K
Richard Parrillo
31 Mar 2022
Director
Exercised, kept
80,000
$0.62
$49.60K
Stephen P Mandracchia
15 Feb 2022
Director
Exercised, kept
25,000
$1.70
$42.50K
Kathleen Houghton
3 Feb 2022
VP - Sales and Marketing
Exercised, kept
20,000
$1.25
$25.00K
Kenneth Gaglione
9 Dec 2021
VP-Operations
Exercised, kept
45,000
$1.23
$55.35K
Vincent P Abbatecola
26 Nov 2021
Director
Exercised, kept
42,553
$1.09
$46.38K
Vincent P Abbatecola
26 Nov 2021
Director
Exercised, kept
39,136
$1.09
$42.66K
Brian F Coleman
15 Nov 2021
President, CEO
Exercised, kept
507,100
$1.09
$552.74K
Brian F Coleman
15 Nov 2021
President, CEO
Exercised, kept
403,300
$1.09
$439.60K
Nat Krishnamurti
15 Nov 2021
CFO
Exercised, kept
247,100
$1.09
$269.34K
Nat Krishnamurti
15 Nov 2021
CFO
Exercised, kept
195,700
$1.09
$213.31K
Dominic J Monetta
13 Sep 2021
Director
Exercised, kept
25,000
$0.75
$18.75K
Dominic J Monetta
13 Sep 2021
Director
Exercised, kept
35,000
$0.75
$26.25K
Dominic J Monetta
13 Sep 2021
Director
Exercised, kept
42,553
$1.09
$46.38K
Dominic J Monetta
13 Sep 2021
Director
Exercised, kept
31,610
$1.09
$34.45K
Dominic J Monetta
13 Sep 2021
Director
Exercised, kept
21,118
$1.88
$39.70K
Eric A Prouty
30 Aug 2021
Director
Exercised, kept
42,553
$1.09
$46.38K
Dominic J Monetta
24 Aug 2021
Director
Exercised, kept
25,000
$1.31
$32.75K
Otto C Morch
29 Jul 2021
Director
Exercised, kept
83,195
$1.09
$90.68K
Kathleen Houghton
3 Jun 2021
VP - Sales and Marketing
Exercised, kept
125,000
$1.09
$136.25K
Eric A Prouty
2 Jun 2021
Director
Exercised, kept
18,092
$1.76
$31.84K
Kathleen Houghton
28 May 2021
VP - Sales and Marketing
Exercised, kept
30,000
$2.31
$69.30K
Vincent P Abbatecola
27 May 2021
Director
Exercised, kept
25,000
$1.31
$32.75K
Vincent P Abbatecola
27 May 2021
Director
Exercised, kept
8,224
$1.76
$14.47K
Otto C Morch
27 May 2021
Director
Exercised, kept
25,000
$1.31
$32.75K
Richard Parrillo
27 May 2021
Director
Exercised, kept
42,553
$1.09
$46.38K
Richard Parrillo
27 May 2021
Director
Exercised, kept
39,136
$1.09
$42.66K
Richard Parrillo
27 May 2021
Director
Exercised, kept
18,092
$1.76
$31.84K
Estate of Kevin J. Zugibe
30 Nov 2020
10% owner
Exercised, kept
375,000
$0.75
$281.25K
Estate of Kevin J. Zugibe
30 Nov 2020
10% owner
Exercised, kept
600,000
$0.75
$450.00K
Estate of Kevin J. Zugibe
30 Nov 2020
10% owner
Exercised, kept
423,000
$1.09
$461.07K
Estate of Kevin J. Zugibe
30 Nov 2020
10% owner
Exercised, kept
484,562
$1.09
$528.17K
Kevin J Zugibe
17 Nov 2017
Chairman, CEO
Exercised, kept
195,000
$0.85
$165.75K
Brian F Coleman
17 Nov 2017
President, COO
Exercised, kept
100,300
$0.85
$85.26K
Stephen P Mandracchia
17 Nov 2017
VP Legal & Regulatory
Exercised, kept indirect
125,000
$0.85
$106.25K
Vincent P Abbatecola
13 Nov 2017
Director
Exercised, kept
40,000
$0.85
$34.00K
Otto C Morch
21 Aug 2017
Director
Exercised, kept
16,600
$8.41
$139.61K
Vincent P Abbatecola
21 Aug 2017
Director
Exercised, kept
26,600
$3.23
$85.92K
Eric A Prouty
21 Aug 2017
Director
Exercised, kept
26,600
$3.23
$85.92K
Richard Parrillo
21 Aug 2017
Director
Exercised, kept
26,600
$3.23
$85.92K
Kevin J Zugibe
18 Aug 2017
Chairman, CEO
Exercised, kept
28,145
$3.55
$99.91K
Kevin J Zugibe
18 Aug 2017
Chairman, CEO
Exercised, kept
251,855
$3.23
$813.49K
Stephen P Mandracchia
18 Aug 2017
VP Legal & Regulatory
Exercised, kept indirect
28,145
$3.55
$99.91K
Stephen P Mandracchia
18 Aug 2017
VP Legal & Regulatory
Exercised, kept indirect
76,855
$3.23
$248.24K
Dominic J Monetta
18 Aug 2017
Director
Exercised, kept
26,600
$3.23
$85.92K
Otto C Morch
14 Nov 2016
Director
Exercised, kept
10,000
$3.23
$32.30K
Show all 182 transactions →

What was left out

Form 4 filings counted 219
Amendments (4/A) skipped 4
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 5
Sales at will 59
Transactions with no price 0
Shares from compensation/vesting 9,906,982
Sales filed before the plan box existed 42
History held since 25 Oct 2006