HUDSON TECHNOLOGIES INC (HDSN) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-04-09
1:42 pm
Purchase
2026-03-3113GHUDSON TECHNOLOGIES INC
HDSN
DIMENSIONAL FUND ADVISORS LP2,148,311
5.100%
1,763,596increase
(+458.42%)
Filing
History
2026-03-27
09:53 am
Sale
2026-03-1313GHUDSON TECHNOLOGIES INC
HDSN
VANGUARD GROUP INC0
0.000%
-2,488,282decrease
(Position Closed)
Filing
History
2026-02-17
4:44 pm
Sale
2025-12-3113GHUDSON TECHNOLOGIES INC
HDSN
WESTERLY CAPITAL MANAGEMENT LLC2,550,000
5.900%
-50,000decrease
(-1.92%)
Filing
History
2025-12-10
4:43 pm
Sale
2025-12-0813DHUDSON TECHNOLOGIES INC
HDSN
Hartree Partners LP3,800,000
8.700%
-200,000decrease
(-5.00%)
Filing
History
2025-06-24
2:17 pm
Purchase
2025-06-1613GHUDSON TECHNOLOGIES INC
HDSN
WESTERLY CAPITAL MANAGEMENT LLC2,600,000
6.000%
2,600,000increase
(New Position)
Filing
History
2025-05-14
7:47 pm
Purchase
2025-03-3113GHUDSON TECHNOLOGIES INC
HDSN
Hartree Partners LP4,000,000
9.100%
1,000,000increase
(+33.33%)
Filing
History
2025-03-12
5:18 pm
Purchase
2025-03-0513GHUDSON TECHNOLOGIES INC
HDSN
Hartree Partners LP3,000,000
6.800%
3,000,000increase
(New Position)
Filing
History
2024-11-12
4:01 pm
Unchanged
2024-09-3013GHUDSON TECHNOLOGIES INC
HDSN
VANGUARD GROUP INC2,488,282
5.460%
0
(Unchanged)
Filing
History
2024-11-04
11:57 am
Purchase
2024-09-3013GHUDSON TECHNOLOGIES INC
HDSN
VANGUARD GROUP INC2,488,282
5.460%
2,488,282increase
(New Position)
Filing
History
2024-02-14
07:18 am
Sale
2023-12-3113GHUDSON TECHNOLOGIES INC
HDSN
RIVA RIDGE CAPITAL MANAGEMENT LP1,704,928
3.700%
-737,744decrease
(-30.20%)
Filing
History
2024-02-12
12:08 pm
Sale
2023-12-3113GHUDSON TECHNOLOGIES INC
HDSN
COOPER CREEK PARTNERS MANAGEMENT LLC666,135
1.460%
-1,727,231decrease
(-72.17%)
Filing
History
2024-01-26
5:26 pm
Purchase
2023-12-3113GHUDSON TECHNOLOGIES INC
HDSN
BlackRock Inc.
BLK
3,165,649
7.000%
482,489increase
(+17.98%)
Filing
History
2023-02-14
5:44 pm
Sale
2022-12-3113GHUDSON TECHNOLOGIES INC
HDSN
ArrowMark Colorado Holdings LLC2,091,927
4.640%
-988,579decrease
(-32.09%)
Filing
History
2023-02-13
12:52 pm
Sale
2022-12-3113GHUDSON TECHNOLOGIES INC
HDSN
COOPER CREEK PARTNERS MANAGEMENT LLC2,393,366
5.310%
-1,696,413decrease
(-41.48%)
Filing
History
2023-02-03
12:09 pm
Purchase
2022-12-3113GHUDSON TECHNOLOGIES INC
HDSN
BlackRock Inc.
BLK
2,683,160
6.000%
1,875,371increase
(+232.16%)
Filing
History
2023-02-02
1:00 pm
Sale
2022-12-3113GHUDSON TECHNOLOGIES INC
HDSN
RIVA RIDGE CAPITAL MANAGEMENT LP2,442,672
5.400%
-301,324decrease
(-10.98%)
Filing
History
2022-09-28
4:52 pm
Sale
2022-09-2813GBARFRESH FOOD GROUP INC
BRFH
Goldberg Capital Management0
0.000%
-2,727,694decrease
(Position Closed)
Filing
History
2022-03-22
12:19 pm
Purchase
2022-03-1813GBARFRESH FOOD GROUP INC
BRFH
Goldberg Capital Management2,727,694
6.100%
2,333,082increase
(+591.23%)
Filing
History
2022-02-14
2:15 pm
Sale
2021-12-3113GHUDSON TECHNOLOGIES INC
HDSN
ArrowMark Colorado Holdings LLC3,080,506
7.010%
-558,598decrease
(-15.35%)
Filing
History
2022-02-14
12:59 pm
Sale
2021-12-3113GHUDSON TECHNOLOGIES INC
HDSN
COOPER CREEK PARTNERS MANAGEMENT LLC4,089,779
9.300%
-95,264decrease
(-2.28%)
Filing
History
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