| Schedule of Segment Reporting Information, by Segment |
| | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | 2026 | | 2025 | | 2026 | | 2025 | | (in thousands) | | Revenue | $ | 1,014 | | | $ | 10,739 | | | $ | 180,140 | | | $ | 12,503 | | | Less: | | | | | | | | | Imdusiran clinical development expense | 326 | | | 1,618 | | | 1,217 | | | 3,789 | | | AB-101-001 clinical development expense | 183 | | | 1,738 | | | 709 | | | 3,637 | | | Other research and development expense | 2,389 | | | 2,142 | | | 5,092 | | | 7,031 | | | General and administrative expense | 3,867 | | | 3,328 | | | 9,756 | | | 9,160 | | | Restructuring expense | — | | | 165 | | | — | | | 12,538 | | Other segment expense (1) | 234 | | | 267 | | | 471 | | | 590 | | | Add: | | | | | | | | | Interest income | 842 | | | 1,042 | | | 1,657 | | | 2,239 | | | Segment net income (loss) | $ | (5,143) | | | $ | 2,523 | | | $ | 164,552 | | | $ | (22,003) | | | Adjustments and reconciling items | — | | | — | | | — | | | — | | | Consolidated net income (loss) | $ | (5,143) | | | $ | 2,523 | | | $ | 164,552 | | | $ | (22,003) | |
(1) Other segment expense includes the change in the fair value of contingent consideration, non-cash interest expenses and foreign currency exchange gains and losses.
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