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v3.25.3

Segment Information (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) segment | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Segment Information |  |  |  |  |
Number of reportable segments | segment |  |  | 2 |  |
Accumulated deficit | $ 947,989 |  | $ 947,989 |  | $ 902,861
Total revenue | 3,299 | $ 4,346 | 6,531 | $ 9,509 |
Total research and development | 13,028 | 5,956 | 36,061 | 24,560 |
General and administrative | 4,871 | 5,653 | 16,396 | 17,249 |
Licensing | 1,911 | 1,754 | 4,256 | 4,070 |
Revaluation of contingent consideration | 100 | 800 | 1,900 | 3,800 |
Segment operating loss | (17,149) | (10,471) | (53,641) | (42,257) |
Other income | 2,535 | 2,885 | 8,513 | 6,744 |
Loss before income taxes | (14,614) | (7,586) | (45,128) | (35,513) |
Operating Segments | Therapeutics Segment |  |  |  |  |
Segment Information |  |  |  |  |
Total revenue | 2,814 | 3,701 | 5,159 | 7,583 |
Total research and development project expenses | 8,708 | 2,008 | 22,868 | 5,968 |
Personnel | 2,993 | 1,970 | 8,904 | 9,002 |
Other research and development expense | 1,541 | 2,182 | 4,950 | 10,241 |
Total research and development | 13,242 | 6,160 | 36,722 | 25,211 |
Licensing | 1,911 | 1,754 | 4,256 | 4,070 |
Revaluation of contingent consideration | 100 | 800 | 1,900 | 3,800 |
Segment operating loss | (12,439) | (5,013) | (37,719) | (25,498) |
Operating Segments | Contract Research Segment |  |  |  |  |
Segment Information |  |  |  |  |
Total revenue | 485 | 645 | 1,372 | 1,926 |
Cost of revenue | 4,454 | 3,485 | 11,983 | 11,558 |
General and administrative | 467 | 905 | 1,989 | 3,033 |
Segment operating loss | (306) | (710) | (1,515) | (2,543) |
Operating Segments | Bosakitug | Therapeutics Segment |  |  |  |  |
Segment Information |  |  |  |  |
Total research and development project expenses | 3,062 |  | 9,293 |  |
Operating Segments | ATI-2138 | Therapeutics Segment |  |  |  |  |
Segment Information |  |  |  |  |
Total research and development project expenses | 1,469 | 745 | 4,395 | 1,560 |
Operating Segments | ATI-052 | Therapeutics Segment |  |  |  |  |
Segment Information |  |  |  |  |
Total research and development project expenses | 1,837 |  | 3,874 |  |
Operating Segments | Discovery | Therapeutics Segment |  |  |  |  |
Segment Information |  |  |  |  |
Total research and development project expenses | 2,340 | 1,263 | 5,306 | 4,408 |
Intersegment Eliminations |  |  |  |  |
Segment Information |  |  |  |  |
Total revenue | (4,130) | (3,035) | (11,085) | (10,122) |
Cost of revenue | (3,916) | (2,831) | (10,424) | (9,471) |
Total research and development | (214) | (204) | (661) | (651) |
Intersegment Eliminations | Contract Research Segment |  |  |  |  |
Segment Information |  |  |  |  |
Total revenue | 4,130 | 3,035 | 11,085 | 10,122 |
Total |  |  |  |  |
Segment Information |  |  |  |  |
Total revenue | 3,299 | 4,346 | 6,531 | 9,509 |
Cost of revenue | 538 | 654 | 1,559 | 2,087 |
Total research and development project expenses | 8,708 | 2,008 | 22,868 | 5,968 |
Personnel | 2,993 | 1,970 | 8,904 | 9,002 |
Other research and development expense | 1,541 | 2,182 | 4,950 | 10,241 |
Total research and development | 13,028 | 5,956 | 36,061 | 24,560 |
General and administrative | 467 | 905 | 1,989 | 3,033 |
Licensing | 1,911 | 1,754 | 4,256 | 4,070 |
Revaluation of contingent consideration | 100 | 800 | 1,900 | 3,800 |
Segment operating loss | (12,745) | (5,723) | (39,234) | (28,041) |
Total | Bosakitug |  |  |  |  |
Segment Information |  |  |  |  |
Total research and development project expenses | 3,062 |  | 9,293 |  |
Total | ATI-2138 |  |  |  |  |
Segment Information |  |  |  |  |
Total research and development project expenses | 1,469 | 745 | 4,395 | 1,560 |
Total | ATI-052 |  |  |  |  |
Segment Information |  |  |  |  |
Total research and development project expenses | 1,837 |  | 3,874 |  |
Total | Discovery |  |  |  |  |
Segment Information |  |  |  |  |
Total research and development project expenses | 2,340 | 1,263 | 5,306 | 4,408 |
Reconciliation of segment |  |  |  |  |
Segment Information |  |  |  |  |
General and administrative | 4,404 | 4,748 | 14,407 | 14,216 |
Other income | $ 2,535 | $ 2,885 | $ 8,513 | $ 6,744 |

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