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NOTES AND CONVERTIBLE NOTES PAYABLE (Tables) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Debt Conversion [Line Items] |  |
Summary of sale of the Senior Convertible Notes and Senior Note Warrants to related parties | As of June 30, 2025 and December 31, 2024, the Company's outstanding debt consisted of the following:
|  | June 30, 2025 |  |  | December 31, 2024 |
Current portion of notes payable: |  |  |  |  |  |
Indigo Capital Convertible Notes |  | $ | 6,262,378 |  |  | $ | — |
Liqueous Obligation |  |  | 1,053,824 |  |  |  | 1,053,824 |
TAG Promissory Note |  |  | 545,000 |  |  |  | — |
Agile Note |  |  | 874,560 |  |  |  | — |
Diagonal Convertible Note |  |  | 393,220 |  |  |  | — |
Boot Convertible Note |  |  | 189,961 |  |  |  | — |
Brick Lane Convertible Notes |  |  | 270,839 |  |  |  | — |
Bomore Convertible Notes |  |  | 1,383,639 |  |  |  | — |
Torcross Convertible Note |  |  | 135,420 |  |  |  | — |
Junior Notes Issued November 2023 |  |  | — |  |  |  | 2,369,122 |
August 2024 Convertible Notes |  |  | — |  |  |  | 537,375 |
Additional August 2024 Convertible Notes |  |  | — |  |  |  | 687,315 |
Senior Convertible Notes Issued June 2023 |  |  | — |  |  |  | 4,683,069 |
Unamortized debt discount and deferred financing costs |  |  | — |  |  |  | (88,522 | )
Current portion of notes payable |  | $ | 11,108,841 |  |  | $ | 9,242,183 |
| As of December 31, 2024 and 2023, the Company's outstanding debt consisted of the following. Please refer to the remainder of this footnote for more information on the debt issued during the periods presented.
|  | 2024 |  |  | 2023 |
Current portion of notes payable: |  |  |  |  |  |
Junior Notes Issued November 2023 |  | $ | 2,369,122 |  |  | $ | 5,500,000 |
August 2024 Convertible Notes |  |  | 537,375 |  |  |  | — |
Additional August 2024 Convertible Notes |  |  | 687,315 |  |  |  | — |
Promissory Note |  |  | 1,053,824 |  |  |  | — |
Senior Convertible Notes Issued June 2023 |  |  | 4,683,069 |  |  |  | — |
Unamortized debt discount and deferred financing costs |  |  | (88,522 | ) |  |  | (3,352,008 | )
Current portion of notes payable |  | $ | 9,242,183 |  |  | $ | 2,147,992 |
Long-term portion of notes payable: |  |  |  |  |  |
Senior Convertible Notes Issued June 2023 |  |  | — |  |  |  | 6,967,951 |
Total debt |  | $ | 9,242,183 |  |  | $ | 9,115,943 |
Junior Notes and Junior Note Warrants |  |
Debt Conversion [Line Items] |  |
Summary of Convertible Notes and Note Warrants Sold to Related Parties | The table below summarizes the outstanding principal amount of the Junior Notes to related parties:
Noteholder |  | June 30, 2025 |  |  | December 31, 2024 |
David Seldin(1) |  | $ | — |  |  | $ | 762,211 |
Eunomia, LP(2) |  |  | — |  |  |  | 1,100,000 |
Total Junior Notes - related parties |  | $ | — |  |  | $ | 1,862,211 |
(1) David Seldin was a member of the Legacy Nuburu board of directors and at the time of the issuance was the sole manager of Anzu Nuburu LLC, Anzu Nuburu II LLC, Anzu Nuburu III LLC and Anzu Nuburu V LLC (the "Anzu SPVs"), which at that time owned more than 5% of Legacy Nuburu’s capital stock. (2) Ron Nicol, manager of Eunomia, LP, was the Executive Chairman of the Company’s board of directors through January 2025. | The table below summarizes the outstanding principal amount of the Junior Notes to related parties:
| Year ended December 31, |
Noteholder | 2024 |  |  | 2023 |
David Seldin(1) | $ | 762,211 |  |  | $ | 1,100,000 |
Eunomia, LP(2) |  | 1,100,000 |  |  |  | 1,100,000 |
CST Global LLC(3) |  | — |  |  |  | 220,000 |
Total Junior Notes - related parties | $ | 1,862,211 |  |  | $ | 2,420,000 |
(1) David Seldin was a member of the Legacy Nuburu board of directors and at the time of the issuance was the sole manager of Anzu Nuburu LLC, Anzu Nuburu II LLC, Anzu Nuburu III LLC and Anzu Nuburu V LLC (the "Anzu SPVs"), which at that time owned more than 5% of Legacy Nuburu’s capital stock. (2) Ron Nicol, manager of Eunomia, LP, is the Executive Chairman of the Company’s board of directors. (3) David Michael, an affiliate of CST Global LLC, was a member of the Legacy Nuburu board of directors
Senior Convertible Notes and Senior Note Warrants [Member] |  |
Debt Conversion [Line Items] |  |
Summary of Convertible Notes and Note Warrants Sold to Related Parties | The table below summarizes the outstanding principal amount of the Senior Convertible Notes to related parties:
Investor |  | June 30, 2025 |  |  | December 31, 2024 |
Wilson-Garling 2023 Family Trust(1) |  | $ | — |  |  | $ | 5,138,055 |
Eunomia, LP(2) |  |  | — |  |  |  | 1,027,611 |
Curtis N Maas Revocable Trust(3) |  |  | — |  |  |  | 102,761 |
Total Senior Convertible Notes - related parties |  | $ | — |  |  | $ | 6,268,427 |
(1) Thomas J. Wilson, an affiliat e of Wilson-Garling 2023 Family Trust, was a member of the Legacy Nuburu board of directors. (2) Ron Nicol, manager of Eunomia, LP, was the Chairman of the Company’s board of directors until January 2025. (3) Curtis Maas, an affiliate of the Curtis N Maas Revocable Trust, was a member of the Legacy Nuburu board of directors. | The table below summarizes the outstanding principal amount of the Senior Convertible Notes to related parties:
Investor | 2024 |  |  | 2023 |
Wilson-Garling 2023 Family Trust(1) | $ | 5,138,055 |  |  | $ | 5,138,055 |
David Seldin(2) |  | — |  |  |  | 1,233,133 |
Eunomia, LP(3) |  | 1,027,611 |  |  |  | 1,027,611 |
Curtis N Maas Revocable Trust(4) |  | 102,761 |  |  |  | 102,761 |
Total Senior Convertible Notes - related parties | $ | 6,268,427 |  |  | $ | 7,501,560 |
(1) Thomas J. Wilson, an affiliate of Wilson-Garling 2023 Family Trust, was a member of the Legacy Nuburu board of directors. (2) David Seldin was a member of the Legacy Nuburu board of directors and at the time of the issuance was the sole manager of Anzu Nuburu LLC, Anzu Nuburu II LLC, Anzu Nuburu III LLC and Anzu Nuburu V LLC (the "Anzu SPVs"), which at that time owned more than 5% of Legacy Nuburu’s capital stock. (3) Ron Nicol, manager of Eunomia, LP, is the Executive Chairman of the Company’s board of directors. (4) Curtis Maas, an affiliate of the Curtis N Maas Revocable Trust, was a member of the Legacy Nuburu board of directors.

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