ISSUER PROFILE · CIK 0000925528
HUDSON TECHNOLOGIES INC /NYHDSN
3 13D/G filings
2 distinct filers
25 insider transactions (365d)
Cross-Reference Snapshot
Activist filings
3
1 SCHEDULE 13G/A · 1 SCHEDULE 13G · 1 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
25
13 buys · 2 sales
Latest short DTC
3.11
as of 2026-07-15
13D/G Filings Timeline · 3 total
Form 4 Insider Transactions · last 365d
| Date | Insider | Role | Type | Shares | Price | Value |
|---|
| 2026-05-14 |
Mansy Loan Nguyen |
director |
Buy |
3,600 |
$4.96 |
$18K |
| 2026-05-14 |
Parrillo Richard |
director |
Buy |
3,600 |
$4.96 |
$18K |
| 2026-05-14 |
Bulgarino Nicole E |
director |
Buy |
550 |
$4.84 |
$3K |
| 2026-05-14 |
Feeler Jeffrey R |
director |
Buy |
5,100 |
$4.92 |
$25K |
| 2026-05-14 |
Parrillo Richard |
director |
Buy |
1,400 |
$4.97 |
$7K |
| 2026-05-14 |
Mansy Loan Nguyen |
director |
Buy |
1,400 |
$4.97 |
$7K |
| 2026-05-13 |
Prouty Eric A |
director |
Buy |
5,000 |
$4.84 |
$24K |
| 2026-05-13 |
Sheriff Alan |
director |
Buy |
5,200 |
$4.88 |
$25K |
| 2026-05-13 |
Gaglione Kenneth |
director, officer |
Buy |
5,000 |
$4.89 |
$24K |
| 2026-04-10 |
Sheriff Alan |
director |
Award |
4,065 |
— |
— |
| 2026-04-10 |
Feeler Jeffrey R |
director |
Award |
4,065 |
— |
— |
| 2026-01-08 |
Houghton Kathleen |
director, officer |
Option exercise |
120,000 |
$0.75 |
$90K |
| 2026-01-08 |
Houghton Kathleen |
director, officer |
F |
44,873 |
$7.10 |
$319K |
| 2026-01-08 |
Houghton Kathleen |
director, officer |
Option exercise |
47,619 |
$1.60 |
$76K |
| 2026-01-08 |
Houghton Kathleen |
director, officer |
F |
21,797 |
$7.10 |
$155K |
| 2026-01-08 |
Houghton Kathleen |
director, officer |
Option exercise |
50,888 |
$3.81 |
$194K |
| 2026-01-08 |
Houghton Kathleen |
director, officer |
F |
34,382 |
$7.10 |
$244K |
| 2025-12-05 |
COLEMAN BRIAN F |
— |
Sale |
484,616 |
$7.40 |
$3.59M |
| 2025-12-05 |
COLEMAN BRIAN F |
director |
Sale |
484,616 |
$7.40 |
$3.59M |
| 2025-11-24 |
Gaglione Kenneth |
director, officer |
Award |
216,309 |
$6.70 |
$1.45M |
| 2025-11-17 |
ABBATECOLA VINCENT P |
director |
Buy |
3,500 |
$6.79 |
$24K |
| 2025-09-24 |
ABBATECOLA VINCENT P |
director |
Option exercise |
4,744 |
$7.35 |
$35K |
| 2025-09-24 |
ABBATECOLA VINCENT P |
director |
F |
3,519 |
$9.91 |
$35K |
| 2025-07-31 |
Prouty Eric A |
director |
Option exercise |
4,744 |
$7.35 |
$35K |
| 2025-07-31 |
Prouty Eric A |
director |
F |
3,713 |
$9.39 |
$35K |
FINRA Short Interest History
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|
| 2026-07-15 |
2,079,019 |
3.11 |
+12.1% |
| 2026-06-30 |
1,854,523 |
3.59 |
+10.6% |
| 2026-06-15 |
1,676,823 |
3.89 |
+0.7% |
| 2026-05-29 |
1,665,001 |
2.50 |
+8.4% |
| 2026-05-15 |
1,535,791 |
2.66 |
+13.1% |
| 2026-04-30 |
1,357,730 |
5.98 |
+1.5% |
| 2026-04-15 |
1,337,634 |
5.20 |
-0.8% |
| 2026-03-31 |
1,347,958 |
3.35 |
+0.5% |
| 2026-03-13 |
1,341,286 |
2.74 |
+2.4% |
| 2026-02-27 |
1,310,031 |
5.03 |
+5.0% |
| 2026-02-13 |
1,248,003 |
5.59 |
+2.5% |
| 2026-01-30 |
1,217,271 |
5.99 |
+8.9% |
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