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HDSN · Hudson Technologies Inc /Ny

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TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475

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HDSN

Name: HUDSON TECHNOLOGIES INC /NY (HDSN) insider trading and ownership data
Creator: WaveMan
License: https://wave-man.com/terms

HUDSON TECHNOLOGIES INC /NY

WHOLESALE & RETAIL · WHOLESALE-MACHINERY, EQUIPMENT & SUPPLIES · CIK 0000925528

CLUSTER · 9 INSIDERSC-SUITE BUYING · 2☆ WATCH

INSIDER NET · 180D

$6.0M

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

13F, latest reported quarter

REVENUE GROWTH

+4.0%

XBRL, annual

NET MARGIN

6.8%

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net +$6.0M over 180 days

+$5.8M over 90 days · +$5.8M of it by a 10%+ holder

more than 97% of Wholesale & Retail

CONGRESS

no member of Congress has reported trading it

FUNDS

73 funds added or opened last quarter

below 59% of Wholesale & Retail

REVENUE

+4.0% year over year

more than 52% of Wholesale & Retail

MARGIN

6.8% net margin

more than 81% of Wholesale & Retail

BUYBACKS

$2.5M repurchased, FY to 2026-06-30

below 79% of Wholesale & Retail

SHORT

4.9% of shares outstanding short · 5.3 days to cover · settled 2026-07-31

more than 67% of Wholesale & Retail

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

9 insiders independently bought a net $6.0M while the stock fell 28% over six months — no planned sales are queued against it.

73 funds added or opened positions in the latest 13F quarter, of 153 holders.

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN -48.8%

-48.8%12M

INSIDER BUYINSIDER SELL

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

WHY THIS NAME IS ON THE DESK

9 insiders reported buying shares.

The record shows a net $6.0M bought by insiders over 180 days, 73 funds added last quarter. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

CVNA WMT AMZN SNX RVLV W AZO PSMT WLFC TDUP URBN TTSH

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, HUDSON TECHNOLOGIES INC /NY insiders bought a net $6.0M of stock across 70 Form 4 purchases and sales, with 9 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER

FILED

VALUE

Hartree Partners, LP

—

BUY

2026-09-02

5,317.0

$27.1K

Hartree Partners, LP

—

BUY

2026-08-25

91,166.0

$501.1K

Hartree Partners, LP

—

BUY

2026-08-24

9,446.0

$52.0K

Hartree Partners, LP

—

BUY

2026-08-12

5,198.0

$28.6K

Hartree Partners, LP

—

BUY

2026-07-29

52,104.0

$312.1K

70 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 65 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

Hartree Partners, LP

4,411,889.0 sh

$25.3M

WESTERLY CAPITAL MANAGEMENT, LLC

3,380,000.0 sh

$19.4M

BlackRock, Inc.

2,840,272.0 sh

$16.3M

DIMENSIONAL FUND ADVISORS LP

1,967,914.0 sh

$11.3M

VANGUARD CAPITAL MANAGEMENT LLC

1,654,259.0 sh

$9.5M

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

FORM 144

No planned-sale notices

No insider has notified an intent to sell. This is the panel to watch after a run-up.

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

Ultra-Small Company Fund

$1.1M POSITION · AS OF 2026-03-31

1.3%

Acquirers Small and Micro Deep Value ETF

$251.5K POSITION · AS OF 2026-02-28

0.9%

First Trust Dow Jones Select MicroCap Index Fund

$707.6K POSITION · AS OF 2026-03-31

0.3%

Acuitas Small Cap Active ETF

$181.5K POSITION · AS OF 2026-03-31

0.2%

iShares US Small Cap Value Factor ETF

$387.9K POSITION · AS OF 2026-03-31

0.2%

First Trust Active Factor Small Cap ETF

$179.6K POSITION · AS OF 2026-02-28

0.2%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	2025-12	2024-12	2023-12	2022-12
REVENUE	$246.6M	$237.1M	$289.0M	$325.2M
GROSS PROFIT	$62.1M	$65.7M	$111.5M	$162.9M
OPERATING INCOME	$18.6M	$29.3M	$78.2M	$131.5M
NET INCOME	$16.7M	$24.4M	$52.2M	$103.8M
EPS (DILUTED)	0.37	0.52	1.10	2.20
OPERATING CASH FLOW	$-3.2M	$91.8M	$58.5M	$62.8M
CASH	$39.5M	$70.1M	$12.4M	$5.3M
LONG-TERM DEBT	—	—	—	$39.0M
BUYBACKS	$20.0M	$8.1M	—	—

SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE