| COMMON STOCK WARRANTS |
STOCKHOLDERS’ EQUITY Activity in equity during the three- and six-month periods ended June 30, 2026 and 2025 was as follows (dollars in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Common Stock | | Additional Paid-In Capital | | Accumulated Deficit | | Total | | | Shares | | Amount | | | | | | 2026 | | | | | | | | | | | | Balances as of December 31, 2025 | 5,223,015 | | | $ | 5 | | | $ | 152,043 | | | $ | (142,480) | | | $ | 9,568 | | | | Stock-based compensation | — | | | — | | | 23 | | | — | | | 23 | | | | Issuance of common stock, net of transaction costs | 80,411 | | | — | | | 173 | | | — | | | 173 | | | | | | | | | | | | | | | | | | | | | | | | | | Net loss | — | | | — | | | — | | | (2,063) | | | (2,063) | | | | Balances as of March 31, 2026 | 5,303,426 | | | 5 | | | 152,239 | | | (144,543) | | | 7,701 | | | | Stock-based compensation | — | | | — | | | 182 | | | — | | | 182 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Net loss | — | | | — | | | — | | | (1,832) | | | (1,832) | | | | Balances as of June 30, 2026 | 5,303,426 | | | $ | 5 | | | $ | 152,421 | | | $ | (146,375) | | | $ | 6,051 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2025 | | | | | | | | | | | | Balances as of December 31, 2024 | 1,035,893 | | | $ | 1 | | | $ | 138,607 | | | $ | (136,097) | | | $ | 2,511 | | | | Stock-based compensation | — | | | — | | | 91 | | | — | | | 91 | | | | Issuance of common stock, net of transaction costs | 365,319 | | — | | | 1,066 | | | — | | | 1,066 | | | | Issuance of common stock upon exercise of warrants, net of transaction costs | 374,718 | | | 1 | | | 888 | | | — | | | 889 | | | | Net loss | — | | | — | | | — | | | (1,665) | | | (1,665) | | | | Balances as of March 31, 2025 | 1,775,930 | | | 2 | | | 140,652 | | | (137,762) | | | 2,892 | | | | Stock-based compensation | — | | | — | | | 90 | | | — | | | 90 | | | | Issuance of common stock, net of transaction costs | 489,341 | | | 1 | | | 1,639 | | | — | | | 1,640 | | | | Issuance of common stock upon exercise of warrants, net of transaction costs | 1,498,872 | | 1 | | | 3,970 | | | — | | | 3,971 | | | | Net loss | — | | | — | | | — | | | (1,616) | | | (1,616) | | | | Balances as of June 30, 2025 | 3,764,143 | | | $ | 4 | | | $ | 146,351 | | | $ | (139,378) | | | $ | 6,977 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
In June 2024, we entered into an at-the-market offering arrangement with a sales agent, pursuant to which we may offer and sell, from time to time at our sole discretion, in transactions that are deemed to be “at-the-market” offerings under the Securities Act of 1933, as amended (the “Securities Act”), shares of our common stock (“ATM Facility”). During the six months ended June 30, 2026, we have sold 80,411 shares of common stock under this ATM Facility for gross proceeds of $182,000, before deducting offering expenses of $9,000. As of June 30, 2026, there is capacity under the ATM Facility of approximately $7.3 million. COMMON STOCK WARRANTSThe following table presents the common stock warrant activity: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Issue Date | | Warrant Type | | Term Date | | Exercise Price | Balance December 31, 2025 | | Issued | | Exercised | | Expired | | Balance June 30, 2026 | | October 2020 | | Dealer Manager | | April 2026 | | $ | 5,174.40 | | | 34 | | — | | — | | (34) | | — | | February 2021 | | Private Placement Agreement | | August 2026 | | 5,318.40 | | | 540 | | — | | — | | — | | 540 | | February 2021 | | Dealer Manager | | August 2026 | | 6,835.40 | | | 136 | | — | | — | | — | | 136 | | March 2021 | | Dealer Manager | | March 2026 | | 6,000.00 | | | 60 | | — | | — | | (60) | | — | | November 2022 | | Dealer Manager | | November 2027 | | 525.00 | | | 892 | | — | | — | | — | | 892 | | April 2023 | | Series C | | October 2028 | | 194.40 | | | 7,142 | | — | | — | | — | | 7,142 | | April 2023 | | Dealer Manager | | April 2028 | | 262.50 | | | 534 | | — | | — | | — | | 534 | | August 2023 | | Dealer Manager | | August 2028 | | 108.04 | | | 1,222 | | — | | — | | — | | 1,222 | | November 2023 | | Series D | | November 2028 | | 13.00 | | | 151,026 | | — | | — | | — | | 151,026 | | November 2023 | | Dealer Manager | | November 2028 | | 16.25 | | | 28,844 | | — | | — | | — | | 28,844 | | August 2024 | | Series F-1 | | August 2029 | | 4.35 | | | 319,434 | | — | | — | | — | | 319,434 | | August 2024 | | Series F-2 | | February 2026 | | 4.35 | | | 316,852 | | — | | — | | (316,852) | | — | | August 2024 | | Dealer Manager | | August 2029 | | 5.75 | | | 25,275 | | — | | — | | — | | 25,275 | | March 2025 | | Dealer Manager | | September 2026 | | 3.625 | | | 18,736 | | — | | — | | — | | 18,736 | | | | | | | | | | | | | | | | | | | July 2025 | | Dealer Manager | | October 2026 | | 3.781 | | | 72,944 | | — | | — | | — | | 72,944 | | August 2025 | | Series I | | November 2026 | | 5.25 | | | 2,188,308 | | — | | — | | — | | 2,188,308 | | August 2025 | | Dealer Manager | | November 2026 | | 5.4219 | | | 72,944 | | — | | — | | — | | 72,944 | | | | | | | | | 3,204,923 | | — | | — | | (316,946) | | 2,887,977 |
| | | | | | | | | | | | | | | | | | | Shares | | Weighted Average Exercise Price Per Share | | Weighted Average Remaining Contractual Term (years) | | Outstanding as of December 31, 2025 | 3,204,923 | | | $ | 7.50 | | | 1.2 | | Issued | — | | | — | | | — | | | Exercised | — | | | — | | | — | | | Expired | (316,946) | | | 6.04 | | | — | | | Outstanding as of June 30, 2026 | 2,887,977 | | | 7.66 | | | 0.9 |
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