Hudson Technologies (HDSN)
What the price implies
A reverse DCF: instead of guessing a fair value, it asks what growth today's price already assumes. How it works.
Fundamental grade
Five factors scored 1 to 9 from HDSN's latest numbers, weighted into one grade. It describes the business, not whether the stock is a buy.
Key numbers
Results from SEC filings
Fiscal years, from Hudson Technologies's 10-K filings. Ten years of the full income statement, balance sheet and cash flow.
| Fiscal year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | $193M | $325M | $289M | $237M | $247M |
| Net income | $32M | $104M | $52M | $24M | $17M |
| Free cash flow | -$3M | $59M | $55M | $87M | -$8M |
| EPS (diluted) | $0.69 | $2.20 | $1.10 | $0.52 | $0.37 |
| Operating margin | 21.9% | 40.4% | 27.0% | 12.4% | 7.5% |
Where the revenue comes from
Revenue by products, fiscal 2025. Every breakdown, year by year.
Superinvestors who own HDSN
From each investor's latest 13F filing (what a 13F shows).
Insider buying
Open-market purchases by Hudson Technologies's executives and directors in the last 12 months, from SEC Form 4 filings. What insider buying tells you. Every purchase since records began.
| Date | Insider | Shares | Price | Value |
|---|---|---|---|---|
| Sep 24, 2026 | Hartree Partners, Lp Major Shareholder |
118,549 | $5.10 | $604,446 |
| Sep 23, 2026 | Hartree Partners, Lp Major Shareholder |
11,013 | $5.10 | $56,166 |
| Sep 21, 2026 | Hartree Partners, Lp Major Shareholder |
2,502 | $5.10 | $12,757 |
| Sep 16, 2026 | Hartree Partners, Lp Major Shareholder |
11,136 | $5.10 | $56,794 |
| Sep 2, 2026 | Hartree Partners, Lp Major Shareholder |
5,317 | $5.10 | $27,117 |
| Nov 17, 2025 | Vincent P Abbatecola |
3,500 | $6.79 | $23,765 |
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In the full deep dive
Questions
Are Hudson Technologies insiders buying the stock?
6 open-market insider purchases of HDSN in the last 12 months, from SEC Form 4 filings.
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Prices and ratios as of Oct 11, 2026; statements from SEC filings. Information only, not investment advice. Superinvestor holdings come from 13F filings, which are filed up to 45 days after each quarter ends.