DEBT
The following table provides information on the Company’s financing agreements:
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| $ in thousands | | | | | | | | | | As of: |
| Note | | Loan Date | | Maturity Date | | Interest Rate | | Initial Financing | | December 31, 2025 | | December 31, 2024 |
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| Senior Unsecured Notes | | October 2021/December 2021 | | October 2026 | | 8.5 | % | | 72,200 | | | 39,780 | | | 68,541 | |
| Senior Unsecured Notes | | July 2025/ September 2025 | | June 2030 | | 10.0 | % | | 2,280 | | | 3,306 | | | — | |
| Total Debt | | | | | | | | | | 43,086 | | | 68,541 | |
| Less: Debt discount and issue costs | | — | | | (473) | |
| Total debt at book value | | 43,086 | | | 68,068 | |
| Less: Current portion | | (40,008) | | | — | |
| Long-term debt, net of current portion | | $ | 3,078 | | | $ | 68,068 | |
The Company incurred interest expense of $4.0 million and $7.1 million during the years ended December 31, 2025 and 2024, respectively, detailed in the table below.
The following table details our interest expense related to the Senior Notes and the Equity Interest Payment Agreement (defined below) (in thousands):
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| December 31, |
| 2025 | | 2024 |
| Contractual interest expense | $ | 2,772 | | | $ | 6,108 | |
| Amortization of debt (premium) discount and issuance costs | (738) | | | 974 | |
| Total interest expense on Senior Notes | 2,034 | | | 7,082 | |
| Interest expense on Equity Interest Payment Agreement | 1,981 | | | — | |
| Other interest expense | 18 | | | — | |
| Total interest expense | $ | 4,033 | | | $ | 7,082 | |
Senior Unsecured Notes
During the fourth quarter of 2021, the Company sold $72.2 million of Senior Notes pursuant to the Company’s registration statement on Form S-1. Interest on the Senior Notes is payable quarterly in arrears on January 31, April 30, July 31 and October 31 of each year to the holders of record at the close of business on the immediately preceding January 15, April 15, July 15 and October 15, respectively. The Senior Notes are senior unsecured obligations of the Company and rank equal in right of payment with the Company’s existing and future senior unsecured indebtedness. The Senior Notes trade on the Nasdaq Global Select Market under the symbol “GREEL.”
The Company may redeem the Senior Notes for cash in whole or in part at any time (i) on or after October 31, 2023 and prior to October 31, 2024, at a price equal to 102% of their principal amount, plus accrued and unpaid interest to, but excluding, the date of redemption, (ii) on or after October 31, 2024 and prior to October 31, 2025, at a price equal to 101% of their principal amount, plus accrued and unpaid interest to, but excluding, the date of redemption, and (iii) on or after October 31, 2025 and prior to maturity, at a price equal to 100% of their principal amount, plus accrued and unpaid interest to, but excluding, the date of redemption. In addition, the Company may redeem the Senior Notes, in whole, but not in part, at any time at its option, at a redemption price equal to 100.5% of the principal amount plus accrued and unpaid interest to, but not including, the date of redemption, upon the occurrence of certain change of control events.
During 2025 and 2024, the Company entered into privately negotiated exchange agreements, pursuant to which it issued shares of the Company’s Class A common stock and made cash payments in exchange for its Senior Notes, detailed in the table below.
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In thousands, except share data | 2025 | | 2024 |
Issuance of Class A common stock | 1,242,456 | | | 692,433 | |
Fair value of common stock issued | $ | 1,461 | | | $ | 1,616 | |
Cash paid | $ | 2,871 | | | $ | — | |
Aggregate principal amount exchanged | $ | 10,855 | | | $ | 3,659 | |
During 2025, the Company completed a series of public tender/exchange offers, pursuant to which the Company repurchased $15.0 million in aggregate principal amount of the Senior Notes for a total of $5.7 million in cash and exchanged an additional $5.0 million in aggregate principal amount of the Senior Notes for $2.3 million in aggregate principal amount of the New Notes.
The Company concluded the privately negotiated exchanges and the public tender/exchange offers met the definition of a troubled debt restructuring under ASC 470-60, Troubled Debt Restructurings by Debtors, as the Company was experiencing financial difficulties and the creditors granted a concession. The adjusted carrying value of the Senior Notes and New Notes (collectively the “Notes”) exceeded the undiscounted cash flows of the Notes, and therefore, the Company wrote down the carrying value of the Notes to the undiscounted future cash flows of the Notes and recognized a gain on troubled debt restructuring of $11.9 million for the year ended December 31, 2025. Basic and diluted earnings per share for the year ended December 31, 2025 were increased by $0.78 and $0.77, respectively, as a result of these gains.
During 2025, the Company paid $0.7 million in cash to repurchase an aggregate of $1.1 million principal amount of its Senior Notes in open market transactions. The Company recognized a gain on extinguishment of debt of $0.4 million as a result of such open market repurchases.
Following the conclusion of the privately negotiated exchanges, public tender/exchange offers and open market repurchases, the Company had $36.7 million in aggregate principal amount of the Senior Notes outstanding, along with $3.1 million of capitalized contractual interest payments, and $2.3 million in aggregate principal amount of New Notes outstanding, along with $1.0 million of capitalized contractual interest payments.
Senior Unsecured New Notes
Interest on the New Notes is payable quarterly in arrears on March 31, June 30, September 30 and December 31 of each year to the holders of record at the close of business on the immediately preceding March 15, June 15, September 15 and December 15, respectively. The New Notes are senior unsecured obligations of the Company and rank equal in right of payment with the Company’s existing and future senior unsecured indebtedness.
The Company may redeem the New Notes for cash in whole or in part at any time (i) on or after July 31, 2026 and prior to July 31, 2027, at a price equal to 102% of their principal amount, plus accrued and unpaid interest to, but excluding, the date of redemption, (ii) on or after July 31, 2027 and prior to July 31, 2028, at a price equal to 101% of their principal amount, plus accrued and unpaid interest to, but excluding, the date of redemption, and (iii) on or after July 31, 2028 and prior to maturity, at a price equal to 100% of their principal amount, plus accrued and unpaid interest to, but excluding, the date of redemption. In addition, the Company may redeem the New Notes, in whole, but not in part, at any time at its option, at a redemption price equal to 100.5% of the principal amount plus accrued and unpaid interest to, but not including, the date of redemption, upon the occurrence of certain change of control events.
Minimum Future Principal Payments
Minimum future principal payments on debt as of December 31, 2025 were as follows based on the terms of the debt at that date:
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| $ in thousands | |
| 2026 | $ | 36,664 | |
| 2027 | — | |
| 2028 | — | |
| 2029 | — | |
| 2030 | 2,280 | |
| Total | $ | 38,944 | |
Fair Value Disclosure
The notional value and estimated fair value of the Company’s Senior Notes totaled $36.7 million and $27.1 million, respectively, at December 31, 2025 and $68.5 million and $24.8 million, respectively, at December 31, 2024. The notional value of the Senior Notes does not include unamortized discounts and debt issuance costs of $0.5 million at December 31, 2024. There were no unamortized discounts and debt issuance costs at December 31, 2025. The estimated fair value of the Senior Notes was measured using quoted market prices at the reporting date. Such instruments were valued using Level 1 inputs. The Company believes the notional value of the New Notes of $2.3 million at December 31, 2025, which does not include contractual interest payments of $1.0 million, approximates its fair value.