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FAIR VALUE OF FINANCIAL INSTRUMENTS - Fair Value Measurement Inputs (Details) | Dec. 31, 2025 | Dec. 31, 2024
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Expected volatility | Series B Warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 1 |  |
Expected volatility | Series C Warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 1 |  |
Level 3 | Fair Value Measurements on Recurring Basis | Expected annual dividend yield | Private warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 0 |  | 0
Level 3 | Fair Value Measurements on Recurring Basis | Expected annual dividend yield | RTI Warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 0 |  | 0
Level 3 | Fair Value Measurements on Recurring Basis | Expected annual dividend yield | Series B Warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 0 |  | 0
Level 3 | Fair Value Measurements on Recurring Basis | Expected annual dividend yield | Series C Warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 0 |  | 0
Level 3 | Fair Value Measurements on Recurring Basis | Expected volatility | Private warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 1.015 |  | 0.931
Level 3 | Fair Value Measurements on Recurring Basis | Expected volatility | RTI Warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input |  |  | 0.771
Level 3 | Fair Value Measurements on Recurring Basis | Expected volatility | Series B Warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 1.015 |  | 0.931
Level 3 | Fair Value Measurements on Recurring Basis | Expected volatility | Series C Warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 1.015 |  | 0.931
Level 3 | Fair Value Measurements on Recurring Basis | Risk-free rate of return | Put Option Liability |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Put option liability, measurement input | 0 | [1] | 0.044
Level 3 | Fair Value Measurements on Recurring Basis | Risk-free rate of return | Private warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 0.037 |  | 0.041
Level 3 | Fair Value Measurements on Recurring Basis | Risk-free rate of return | RTI Warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input |  |  | 0.044
Level 3 | Fair Value Measurements on Recurring Basis | Risk-free rate of return | Series B Warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 0.037 |  | 0.044
Level 3 | Fair Value Measurements on Recurring Basis | Expected option term (years) | Private warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Expected option term (years) | 2 months 12 days |  | 1 year 2 months 12 days
Level 3 | Fair Value Measurements on Recurring Basis | Expected option term (years) | RTI Warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Expected option term (years) |  |  | 1 month 6 days
Level 3 | Fair Value Measurements on Recurring Basis | Expected option term (years) | Series B Warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Expected option term (years) | 4 years 10 months 24 days |  | 5 years 10 months 24 days
Level 3 | Fair Value Measurements on Recurring Basis | Expected option term (years) | Series C Warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Expected option term (years) | 4 years 10 months 24 days |  | 5 years 10 months 24 days
Level 3 | Fair Value Measurements on Recurring Basis | Risk-free rate of return (Continuous) | Series C Warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 0.037 |  | 0.044
Level 3 | Fair Value Measurements on Recurring Basis | Credit Spread | Put Option Liability |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Put option liability, measurement input | 0 | [1] | 0.167
[1] | During June 2025, the Company announced its plans to construct the Thailand Facility, which has adjusted the timeline on construction of the Augusta Facility. Because the P ut Option is contingent upon the Company incurring any indebtedness that is senior to the Series A Preferred Stock and/or secured by the assets of PureCycle Augusta, LLC, this adjusted timeline has resulted in the likelihood of the Put Option being exercised as remote. Accordingly, there has been no value ascribed to the Put Option as of December 31, 2025.

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