HUDSON TECHNOLOGIES INC /NY

By person

20 insiders · 176 transactions

8.3×

Kenneth Gaglione holds 8.3 times base salary in stock. $445.51K of shares against $53.46K in salary for 2025.

Salary from the company's own proxy. The shares are what Kenneth Gaglione last reported holding, valued at $5.10, the price Common Stock, par value $0.01 was last bought or sold at on the open market here, on 2 Sep 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Hartree Partners, LP entity

10% owner

$5.82M (12)

—

+$5.82M

5,205,317

12.37%

$26.55M

+23.7%

MANDRACCHIA STEPHEN P

Director

$11.02K (1)

$4.19M (17)

−$4.18M

4,596,627

10.92%

$23.44M

−11.6%

COLEMAN BRIAN F

Director

$83.27K (4)

$3.59M (1)

−$3.50M

1,944,312

4.62%

$9.92M

−1.0%

Krishnamurti Nat

CFO

—

$1.90M (3)

−$1.90M

25,207

0.0599%

$128.56K

+187.0%

ABBATECOLA VINCENT P

Director

$63.99K (5)

$890.67K (8)

−$826.69K

280,994

0.6676%

$1.43M

+66.7%

Parrillo Richard

Director

$139.62K (9)

$943.62K (14)

−$804.00K

25,595

0.0608%

$130.53K

—

Prouty Eric A

Director

$62.55K (5)

$866.20K (2)

−$803.65K

158,292

0.3761%

$807.29K

+432.9%

MORCH OTTO C

Director

—

$252.84K (4)

−$252.84K

87,366

0.2076%

$445.57K

+273.3%

Gaglione Kenneth

President and CEO

$24.48K (1)

$219.07K (1)

−$194.60K

87,354

0.2075%

$445.51K

+3,394%

MONETTA DOMINIC J

Director

—

$77.04K (5)

−$77.04K

203,049

0.4824%

$1.04M

+94.6%

ZUGIBE KEVIN J

Chairman, CEO

$69.81K (4)

—

+$69.81K

3,604,923

8.57%

$18.39M

+6.3%

Houghton Kathleen

Sr. VP-Sales and Marketing

—

$49.34K (9)

−$49.34K

158,618

0.3769%

$808.95K

—

Sheriff Alan

Director

$25.35K (1)

—

+$25.35K

12,484

0.0297%

$63.67K

—

Feeler Jeffrey R

Director

$25.09K (1)

—

+$25.09K

12,384

0.0294%

$63.16K

—

Mansy Loan Nguyen

Director

$24.81K (2)

—

+$24.81K

34,476

0.0819%

$175.83K

—

Bertaux Brian J.

Chief Financial Officer

$9.74K (1)

—

+$9.74K

2,000

0.0048%

$10.20K

—

Bulgarino Nicole E

Director

$2.66K (1)

—

+$2.66K

11,048

0.0262%

$56.34K

—

Estate of Kevin J. Zugibe entity

10% owner

—

4,203,536

9.99%

$21.44M

+16.6%

Frizzley Jill Kathleen

Director

—

10,204

0.0242%

$52.04K

—

Caruso Richard Damian

Director

—

6,573

0.0156%

$33.52K

—

Individual transactions

Insider

Date

Role

Action

Price

Amount

Hartree Partners, LP

2 Sep 2026

10% owner

Buy

5,317

$5.10

$27.12K

Hartree Partners, LP

25 Aug 2026

10% owner

Buy

91,166

$5.50

$501.09K

Hartree Partners, LP

24 Aug 2026

10% owner

Buy

9,446

$5.50

$51.95K

Hartree Partners, LP

12 Aug 2026

10% owner

Buy

5,198

$5.50

$28.59K

Hartree Partners, LP

29 Jul 2026

10% owner

Buy

52,104

$5.99

$312.10K

Hartree Partners, LP

21 Jul 2026

10% owner

Buy

47,708

$5.99

$285.74K

Hartree Partners, LP

20 Jul 2026

10% owner

Buy

17,842

$5.99

$106.86K

Hartree Partners, LP

7 Jul 2026

10% owner

Buy

600

$5.99

$3.59K

Hartree Partners, LP

6 Jul 2026

10% owner

Buy

4,634

$5.99

$27.76K

Hartree Partners, LP

2 Jul 2026

10% owner

Buy

271,302

$5.97

$1.62M

Hartree Partners, LP

1 Jul 2026

10% owner

Buy

288,111

$5.88

$1.70M

Hartree Partners, LP

30 Jun 2026

10% owner

Buy

204,789

$5.68

$1.16M

Bertaux Brian J.

19 May 2026

Chief Financial Officer

Buy

2,000

$4.87

$9.74K

Feeler Jeffrey R

14 May 2026

Director

Buy

5,100

$4.92

$25.09K

Bulgarino Nicole E

14 May 2026

Director

Buy

550

$4.85

$2.66K

Parrillo Richard

14 May 2026

Director

Buy

1,400

$4.97

$6.96K

Parrillo Richard

14 May 2026

Director

Buy

3,600

$4.96

$17.86K

Mansy Loan Nguyen

14 May 2026

Director

Buy

1,400

$4.97

$6.96K

Mansy Loan Nguyen

14 May 2026

Director

Buy

3,600

$4.96

$17.86K

Gaglione Kenneth

13 May 2026

President and CEO

Buy indirect

5,000

$4.90

$24.48K

Sheriff Alan

13 May 2026

Director

Buy

5,200

$4.88

$25.35K

Prouty Eric A

13 May 2026

Director

Buy

5,000

$4.84

$24.20K

ABBATECOLA VINCENT P

17 Nov 2025

Director

Buy

3,500

$6.79

$23.75K

ABBATECOLA VINCENT P

7 Nov 2024

Director

Buy

2,500

$5.98

$14.95K

ABBATECOLA VINCENT P

14 Mar 2023

Director

Buy

1,000

$8.27

$8.27K

COLEMAN BRIAN F

17 Aug 2021

President, CEO

Buy

5,000

$2.90

$14.50K

COLEMAN BRIAN F

17 Aug 2021

President, CEO

Buy

15,000

$2.89

$43.35K

COLEMAN BRIAN F

17 Aug 2021

President, CEO

Buy

5,000

$2.88

$14.40K

Prouty Eric A

8 May 2019

Director

Buy

5,000

$1.89

$9.45K

Prouty Eric A

12 Dec 2018

Director

Buy

5,000

$1.64

$8.20K

Prouty Eric A

15 Aug 2018

Director

Buy

5,000

$1.81

$9.05K

Parrillo Richard

30 May 2018

Director

Buy

2,000

$2.33

$4.66K

Parrillo Richard

30 May 2018

Director

Buy

5,000

$2.31

$11.55K

Parrillo Richard

30 May 2018

Director

Buy

4,000

$2.28

$9.12K

Parrillo Richard

30 May 2018

Director

Buy

9,000

$2.27

$20.43K

Parrillo Richard

30 May 2018

Director

Buy

5,000

$2.22

$11.10K

Prouty Eric A

24 May 2018

Director

Buy

5,000

$2.33

$11.65K

ZUGIBE KEVIN J

23 May 2018

Chairman, CEO

Buy

2,600

$2.13

$5.54K

ZUGIBE KEVIN J

23 May 2018

Chairman, CEO

Buy

1,100

$2.12

$2.33K

ZUGIBE KEVIN J

23 May 2018

Chairman, CEO

Buy

16,300

$2.11

$34.39K

ZUGIBE KEVIN J

15 Mar 2018

Chairman, CEO

Buy

5,000

$5.51

$27.55K

COLEMAN BRIAN F

15 Mar 2018

President, COO

Buy

2,000

$5.51

$11.02K

ABBATECOLA VINCENT P

15 Mar 2018

Director

Buy indirect

1,000

$5.50

$5.50K

MANDRACCHIA STEPHEN P

15 Mar 2018

VP Legal & Regulatory

Buy indirect

2,000

$5.51

$11.02K

ABBATECOLA VINCENT P

17 Dec 2017

Director

Buy

2,000

$5.76

$11.52K

Parrillo Richard

15 Dec 2017

Director

Buy

5,000

$5.78

$28.90K

Parrillo Richard

15 Dec 2017

Director

Buy

5,000

$5.81

$29.05K

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