| Schedule of Company's Warrant Activity |
The following is a summary of the Company’s warrant activity
for the six months ended June 30, 2026:
| Warrant Issuance (BOD) | | Issuance | | Exercise Price | | | Outstanding,
December 31, 2025 | | | Granted | | | Exercised | | | Canceled/ Expired | | | Outstanding,
June 30,
2026 | | | Expiration | | | Underwriter Warrants | | March 2021 | | $ | 662.74 | | | | 8,664 | | | | — | | | | — | | | | (8,664 | ) | | | — | | | | March 2026 | | | January 2023 warrants | | January 2023 | | $ | 173.42 | | | | 21,022 | | | | — | | | | — | | | | — | | | | 21,022 | | | | January 2028 | | | February 2023 warrants | | February 2023 | | $ | 173.42 | | | | 3,154 | | | | — | | | | — | | | | — | | | | 3,154 | | | | February 2028 | | | August 2023 warrants | | August 2023 | | $ | 136.97 | | | | 1,827 | | | | — | | | | — | | | | — | | | | 1,827 | | | | August 2028 | | | April 2024 Pre-Funded warrants | | April 2024 | | $ | 0.12 | | | | 20,174 | | | | — | | | | — | | | | — | | | | 20,174 | | | | None | | | April 2024 warrants | | April 2024 | | $ | 45.00 | | | | 406,934 | | | | — | | | | — | | | | — | | | | 406,934 | | | | April 2029 | | | April 2024 warrants | | April 2024 | | $ | 48.61 | | | | 2,607 | | | | — | | | | — | | | | — | | | | 2,607 | | | | April 2029 | | | August 2024 warrants | | August 2024 | | $ | 45.00 | | | | 3,003 | | | | — | | | | — | | | | — | | | | 3,003 | | | | August 2029 | | | | | | | | | | | | 467,385 | | | | — | | | | — | | | | (8,664 | ) | | | 458,721 | | | | | | | Warrant Issuance (BOD) | | Issuance | | Exercise Price | | | Outstanding,
December 31, 2024 | | | Granted | | | Exercised | | | Canceled/
Expired | | | Outstanding,
June 30,
2025 | | | Expiration | | | Preferred A Placement Warrants | | March and April 2018 and August 2019 | | $ | 154.64 | | | | 2,653 | | | | — | | | | — | | | | (2,653 | ) | | | — | | | | April 2025 | | | Preferred B Placement Warrants | | April 2019 | | $ | 231.95 | | | | 4,199 | | | | — | | | | — | | | | (4,199 | ) | | | — | | | | April 2025 | | | Convertible Notes Placement Warrants | | August 2020 | | $ | 283.81 | | | | 1,556 | | | | — | | | | — | | | | — | | | | 1,556 | | | | August 2025 | | | Underwriter Warrants | | March 2021 | | $ | 662.74 | | | | 8,664 | | | | — | | | | — | | | | — | | | | 8,664 | | | | March 2026 | | | January 2023 warrants | | January 2023 | | $ | 173.42 | | | | 21,022 | | | | — | | | | — | | | | — | | | | 21,022 | | | | January 2028 | | | February 2023 warrants | | February 2023 | | $ | 173.42 | | | | 3,154 | | | | — | | | | — | | | | — | | | | 3,154 | | | | February 2028 | | | August 2023 warrants | | August 2023 | | $ | 136.97 | | | | 1,827 | | | | — | | | | — | | | | — | | | | 1,827 | | | | August 2028 | | | April 2024 Pre-Funded warrants | | April 2024 | | $ | 0.12 | | | | 26,242 | | | | — | | | | — | | | | — | | | | 26,242 | | | | April 2029 | | | April 2024 warrants | | April 2024 | | $ | 45.00 | | | | 406,934 | | | | — | | | | — | | | | — | | | | 406,934 | | | | April 2029 | | | April 2024 warrants | | April 2024 | | $ | 48.61 | | | | 2,607 | | | | | | | | | | | | | | | | 2,607 | | | | April 2029 | | | August 2024 warrants | | August 2024 | | $ | 6.11 | | | | 3,003 | | | | — | | | | — | | | | — | | | | 3,003 | | | | August 2029 | | | | | | | | | | | | 481,861 | | | | — | | | | — | | | | (6,852 | ) | | | 475,009 | | | | | |
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