| | | | | | | | | | | | | | | | | |
| Three Months Ended March 31, | | |
| 2026 | | 2025 | | | | |
| Stock options issued and outstanding | 10,478 | | 9 | | | | | |
| Nonvested restricted stock issued and outstanding | — | | | — | | | | | |
| Public warrants | — | | | 10 | | | | | |
| Private warrants - February 2020 | — | | | — | | | | | |
| | | | | | | |
| PIPE warrants | — | | | 5 | | | | | |
| | | | | | | |
| | | | | | | |
| 2022 July Institutional/Accredited Investor Warrants | 14 | | | 14 | | | | | |
| | | | | | | |
| Underwriter Warrant - February 2024 offering | 36 | | | 35 | | | | | |
| 2024 February Institutional/Accredited Investor Warrants - series A | 667 | | | 667 | | | | | |
| | | | | | | |
| 2024 February Institutional/Accredited Investor Warrants - series C | 42 | | | 42 | | | | | |
| 2024 October Institutional/Accredited Investor Warrants | 1,436 | | | 1,594 | | | | | |
| 2024 December Institutional/Accredited Investor Warrants | — | | | 118 | | | | | |
| 2025 March Institutional/Accredited Investor Warrants | — | | | 1,146 | | | | | |
| | | | | | | |
| 2025 May Institutional/Accredited Investor Warrants | 28,544 | | | — | | | | | |
| | | | | | | |
| 2025 July Institutional/Accredited Investor Warrants | 402 | | | — | | | | | |
| 2025 September Institutional/Accredited Investor Warrants | 5,465 | | | — | | | | | |
| 2025 November Institutional/Accredited Investor Warrants | 13,663 | | | — | | | | | |
| 2025 December 17, Institutional/Accredited Investor Warrants | 5,465 | | | — | | | | | |
| 2025 December 26 Institutional/Accredited Investor Warrants | 5,465 | | | — | | | | | |
| 2025 December 30 Institutional/Accredited Investor Warrants | 140,825 | | | — | | | | | |
| 2025 December Institutional/Accredited Investor Pre-Funded Warrants | 1,543 | | | — | | | | | |
| 2026 January Institutional/Accredited Investor Warrants | 12,387 | | | — | | | | | |
| 2026 February Institutional/Accredited Investor Warrants | 13,663 | | | — | | | | | |
| 2026 March 6 Institutional/Accredited Investor Warrants | 16,943 | | | — | | | | | |
| 2026 March 27 Institutional/Accredited Investor Warrants | 98,138 | | | — | | | | | |
| May 2025 Consulting Warrants | 12,500 | | | — | | | | | |
| May 2025 Consulting Warrants | 2,778 | | | — | | | | | |
| Convertible preferred stock | 134,364 | | | — | | | | | |
| Convertible notes payable | 21,593 | | | — | | | | | |
| Total | 526,411 | | 3,640 | | | | |
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