Hudson Technologies (HDSN) logo

Hudson Technologies (HDSN) stock

Refrigerant gases , market cap $186M

Close
$4.23
-1.86%

After-hours $4.28 +1.18%

As of 5:14 PM ET after-hours, delayed 15+ min · Live for Pro members

Why is HDSN down?

Down 16% on Oct 29 while the S&P 500 fell 0.4%.

“Revenue reflected continued softness in HFC market pricing and lower sales volume as muted customer demand and adequate refrigerant inventories.”

Hudson Technologies' Oct 28 release said

Sources: Price history, Oct 29, 2026; Company release, Oct 28, 2026

−3Long-term trend below a falling 200-day average, down over one year, down over two years

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1 more reason, free with an account →5 more reasons why HDSN fell on Oct 29, from its filings, with the company's words, the timeline, and its peers, for Pro members.
Quality Score
-1
Poor
In its industry
#3of 4

HDSN's Quality Score fell 3 points on Mon, Nov 2, to -1.

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Key facts on HDSN

Key facts on HDSN
Since its 2024 highDown 71% profit $52.2M → $9M in the last 12 months
Latest filing8-K, Oct 28 Reported its quarterly results
1 more reason behind HDSN's -1, free with an account →4 more reasons behind HDSN's -1, for Pro members.

HDSN in the news

Thu Oct 29Hudson Technologies reported quarterly revenue of $59.4 million and diluted EPS of $0.05 SEC, 4:10 PM ET HDSN closed −15.5% that day.

Tested. Our top-⁠scored stocks returned 2.2x the average stock over the next month. How we tested it

HDSN catalysts

Coming up

After its last 4 reports it closed -13.5% on average, higher 0 of 4 times.

1 past catalyst since 2026, with sizes and sources, for Pro members.Get in free →

Here is what Pro members see.

  • The same page for Pro members, on AMD

    Its Quality Score and rank, the line that drives it, and the live price.

  • The full chart

    A year of candles to start, out to the whole history, with insider trades marked and the Quality Score under the price.

  • Every line of the score

    Price action, the company, and signals, each with its points, on HDSN and every other stock.

  • CEOs buying their own stock

    Every CEO buy, biggest names first. Sort, filter, save the list, and set optional alerts.

  • Congress trades

    A member's trades, newest first, each with its amount. Sort and filter the whole list.

  • 14 chart checks, read for you

    The ones firing on the stock, each in plain words, its rule a tap away.

  • Earnings, week by week

    Who reports each day, and how each stock took its last four reports.

  • FDA dates, counted down

    Each date in the company's words, its cash against the date, and an optional alert before it.

  • The market map

    Every stock a box, colored by its Quality Score.

  • Themes, ranked live

    Each theme's stocks ranked by Quality Score, live. Here, AI chips.

  • The top 10, every day

    The ten highest Quality Scores at each close, kept day by day, week by week.

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Nothing is firing on HDSN right now

Volume1 of 3 shown
Tight range1 of 3 shown
Buying1 of 3 shown
The other 10 checks on HDSN, and all 14 on every stock.Get in free →

HDSN RSI today: 22.7, below its 50-day and 200-day averages

Not scored

Not in the Quality Score: over 20 years of tests, 2006 to 2026, they added no edge.

The deep dive on HDSN

6 more findings on HDSN, each with its source, for Pro membersGet in free →

How HDSN ranks in Machinery Wholesale

HDSN is #3 of 4 by Quality Score among Wholesale-⁠Machinery, Equipment & Supplies.

How HDSN ranks in Machinery Wholesale
3Hudson Technologies (HDSN) logoHDSNHudson-1

More in Machinery Wholesale, on the Industrials page

When does HDSN report earnings, and what happens after?

Expected to report Wed Mar 3, after the close (in 121 days). Expected.

What an earnings report is: every 3 months, a company tells everyone how much it sold and earned. We read the figures, the outlook, and how the stock moved after.

What HDSN reported on Oct 28, 2026

The quarter

Sales of $59.4M, 20% less than a year ago; a profit of $0.05 a share, from $0.27.

“Revenue reflected continued softness in HFC market pricing and lower sales volume as muted customer demand and adequate refrigerant inventories”

The quarter that ended Sep 30, from the company's press release

The press releaseThe filing on EDGAR

Where the sales came from

HDSN's results filing gives no sales by line in a table we read.

The outlook

No outlook figures read from this release.

In the company's words

  • “Revenue was $59.4 million, compared with $74.0 million in the comparable 2025 period reflecting a 9% decrease in sales volume and a 17% decrease in selling prices.”

From its results filing (SEC filing · Oct 28)

The numbers

Market value
$186M
today
Sales
$257M
up 14.3% on the year
Free cash flow
-$34.5M
last 12 months

Sales grew 11% a year over 5 years, fiscal 2020 to 2025.

Its share count grew 1.1% a year over 5 years.

3 more figures, for Pro members.

No analyst estimates on Breakaway: every figure here is filed.

The whole report on HDSN: every line of its sales, every outlook beside the one it replaced, and the company's words, for Pro members.Get in free →
ReportedGapReaction5
sessions
Oct 28, 2026After close-13.0%-15.5%open
Aug 5, 2026After close+3.0%-9.1%-10.0%
May 6, 2026After close-12.8%-19.0%-24.8%

HDSN closed higher after 0 of its last 4 reports.

All 4 reports, and HDSN's Quality Score going into each

HDSN sales and profit by year

Sales and profit by year

Sales grew in three of the last seven years, to $247M in 2025. It made a profit in five of the eight years.

Insiders trading HDSN

HDSN insider trades

9 insiders bought $6.7M across 26 filings in the last 6 months. No open-⁠market sales on record. The newest:

BuyHartree Partners, LP$604K10% ownerat $5.10 on Sep 24, filed Sep 28
All 26 insider filings on HDSN from the last six months, for Pro members.Get in free →

All HDSN insider trades

HDSN's officers and directors

Officers and directors with a Form 4 in the last 12 months.

3 more officers and directors file at HDSN. Each page above names the rest.

See insider trades by person

Which ETFs hold HDSN?

In ETFs: HDSN is under 0.1% of VTI, the most of the 24 funds Breakaway covers, by their holdings as filed for Jun 30, 2026.

About Hudson Technologies

Hudson Technologies Inc is a refrigerant services company providing solutions to recurring challenges within the refrigeration industry. The company delivers environmentally sustainable offerings, covering the sale of refrigerant gases, recovery, reclamation, and reuse, as well as improving equipment performance through energy efficiency services, emergency air conditioning and refrigeration system repairs, refrigerant disposal, and carbon credit trading. It operates through one reportable segment. Its products and services are used in commercial air conditioning, industrial processing, and refrigeration systems, and include refrigerant and industrial gas sales, refrigerant management services (mainly reclamation of refrigerants), and RefrigerantSide services performed at customer sites.

281 employeesPearl River, NYhudsontech.com

What Hudson Technologies says it competes with

“The Company competes primarily on the basis of the performance of its proprietary high volume, high-speed equipment used in its operations, the breadth of services offered by the Company, including proprietary RefrigerantSide® Services and other on-site services, and price, particularly with respect to refrigerant sales.”

From its annual report, SEC filing · Mar 16, 2026

2 more sentences and what it says it does, for Pro membersGet in free →

HDSN's score card

Hudson Technologies (HDSN): Quality Score -1, Poor, #3 of 4 in Machinery Wholesale, with its price, on Breakaway
The picture a link to this page shows when it is shared.

Pro members see every line of every stock's score.

  • What would turn HDSN's score around: 7 things
  • 2 more filings explained, a plain line each
  • 2 more things pulling HDSN's score down
BreakawaySep 28Hartree Partners, LP bought HDSN$604K at $5.10, filed Sep 28

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See HDSN's 14 chart checks

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Straight Answers

As of Nov 2, 2026: HDSN's Quality Score is -1 (Poor), #3 of 4 in Wholesale-Machinery, Equipment & Supplies. Insiders bought $6.7M in the last 6 months (Form 4).

Is HDSN a good stock to buy? What its Quality Score says

HDSN scores -1 today, which Breakaway calls Poor. It is #3 of 4 in Wholesale-⁠Machinery, Equipment & Supplies by Quality Score, with 0 of 14 chart checks firing. Down 16% on Oct 29 while the S&P 500 fell 0.4%. Breakaway does not say whether to buy any stock: the score does not know your situation, and it is not a recommendation to buy or sell anything. Please do your own research.

What is HDSN's Quality Score?

HDSN scores -1 today, which Breakaway calls Poor (below zero). That is #3 of 4 in Wholesale-⁠Machinery, Equipment & Supplies by Quality Score. The score adds up the chart checks, the trend, the company's filed sales, its profits, the news, insider trades, and Congress trades. The section above lists the lines behind HDSN's -1.

Are insiders buying HDSN?

9 insiders bought $6.7M across 26 filings in the last 6 months. No open-⁠market sales on record. The newest is Hartree Partners, LP, 10% owner, who bought $604K on Sep 24. Every filing, with the scored weight, for Pro members.

Are the prices delayed?

Only on the public pages, which run at least 15 minutes behind. Pro members, and anyone on a guest pass, see real-time prices: the scanner refreshes every 15 seconds, and your watchlist every few seconds, pre-market and after hours included.

The moves after past earnings reports are past behavior, not a forecast.

The price, the score, the chart checks and readings, and the industry rank on this page are delayed at least 15 minutes.

Our top-scored stocks' record: Oct 2021 to Sep 2026, before costs. Recorded live since Sep 9 2026.

Breakaway publishes impersonal securities research and analytical tools: one formula, the same score for everyone. It is not personalized investment advice, and nothing here is a recommendation to buy or sell any security.

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