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US INSIDER PROFILE · NON-SCORING RESEARCH
Hartree Partners, LP
10% Owner
Identity: SEC reporting-owner CIK · Reporting-owner CIK: 0001597857
Purchase history
- Companies traded
- 1
- Purchases · 12M
- 10
- Purchases · 24M
- 10
- Average purchase
- $655.2K
- Median purchase
- $190.5K
- Gross purchase value
- $6.6M
Companies: HUDSON TECHNOLOGIES INC /NY
10 SEC accession(s) · 0 joint-owner event(s). Values are reported Form 4 transaction values in USD.
Qualifying purchase disclosures
| Published | Company | Ticker | Role | Reported value | SEC source |
|---|---|---|---|---|---|
| 2026-09-28 | HUDSON TECHNOLOGIES INC /NY | HDSN | 10% Owner | $604.6K | Open filing |
| 2026-09-23 | HUDSON TECHNOLOGIES INC /NY | HDSN | 10% Owner | $68.9K | Open filing |
| 2026-09-18 | HUDSON TECHNOLOGIES INC /NY | HDSN | 10% Owner | $56.8K | Open filing |
| 2026-09-04 | HUDSON TECHNOLOGIES INC /NY | HDSN | 10% Owner | $27.1K | Open filing |
| 2026-08-26 | HUDSON TECHNOLOGIES INC /NY | HDSN | 10% Owner | $553.4K | Open filing |
| 2026-08-14 | HUDSON TECHNOLOGIES INC /NY | HDSN | 10% Owner | $28.6K | Open filing |
| 2026-07-31 | HUDSON TECHNOLOGIES INC /NY | HDSN | 10% Owner | $312.1K | Open filing |
| 2026-07-22 | HUDSON TECHNOLOGIES INC /NY | HDSN | 10% Owner | $392.6K | Open filing |
| 2026-07-08 | HUDSON TECHNOLOGIES INC /NY | HDSN | 10% Owner | $31.4K | Open filing |
| 2026-07-02 | HUDSON TECHNOLOGIES INC /NY | HDSN | 10% Owner | $4.5M | Open filing |
Post-purchase outcomes
Excess return = stock return − S&P 500 ETF (SPY adjusted close) return. Returns start on the first shared trading session on or after publication.
| Period | Completed events | Price coverage | Hit rate | Median excess return | Average excess return | Worst excess return |
|---|---|---|---|---|---|---|
| 5D | 10Developing | 100.0% (10/10) | 50.0% (5/10) | -0.4% | -1.3% | -10.8% |
| 20D | 7Developing | 87.5% (7/8) | 14.3% (1/7) | -4.0% | -5.2% | -13.1% |
| 60D | 3Small Sample | 100.0% (3/3) | 0.0% (0/3) | -21.2% | -20.4% | -22.1% |
| 120D | 0No Data | Awaiting maturity | — | — | — | — |
Research patterns
- First purchase in 12M
- 1/10
- Large purchase ≥ $100k
- 5/10
- Cluster buying · 15D
- 0/10
- Buying the dip
- 10/10
Routine / opportunistic: Not classifiable. These labels never affect the score or ranking.
Small samples remain visible but are not scored. This research enrichment never affects US-v1.1.