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HUDSON TECHNOLOGIES INC /NY

HDSN Net selling
CIK 0000925528 #3808 in the set updated 17 Sep 2026
Bought (120 mo)
$6.36M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$12.97M
$0.00 on a plan · $885.29K straight out of an exercise
Sold at will
$12.09M
59 of 64 sales
Net
−$6.61M
−$5.72M against sales at will

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

Nothing of that kind in this period.

What was left out

Form 4 filings counted 217
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 9,950,732
Sales filed before the plan box existed 42
History held since 7 Sep 2016