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Segment Information (Tables) | 9 Months Ended
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Sep. 30, 2025
Segment Information |
Schedule of research and development costs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Three Months Ended | ​ | Nine Months Ended | ​ | Nine Months Ended
​ |  | September 30, 2025 |  | September 30, 2024 |  | September 30, 2025 |  | September 30, 2024
​ | ​ | (In thousands)
Barzolvolimab/Anti-KIT Program | ​ | $ | 51,619 | ​ | $ | 34,393 | ​ | $ | 133,967 | ​ | $ | 88,643
CDX-622 | ​ |  | 5,617 | ​ |  | 3,628 | ​ |  | 14,906 | ​ |  | 10,175
Other Programs (a) | ​ |  | 5,695 | ​ |  | 7,242 | ​ |  | 20,868 | ​ |  | 17,793
Total R&D Expense | ​ | $ | 62,931 | ​ | $ | 45,263 | ​ | $ | 169,741 | ​ | $ | 116,611
​
| (a) | Other program expenses primarily include research and development expenses related to early-stage programs, revenue-generating programs and discontinued programs.
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Three Months Ended | ​ | Nine Months Ended | ​ | Nine Months Ended
​ |  | September 30, 2025 |  | September 30, 2024 |  | September 30, 2025 |  | September 30, 2024
​ |  | (In thousands)
Personnel | ​ | $ | 14,455 | ​ | $ | 13,855 | ​ | $ | 42,184 | ​ | $ | 37,176
Laboratory supplies | ​ |  | 1,057 | ​ |  | 1,074 | ​ |  | 4,769 | ​ |  | 3,997
Facility | ​ |  | 1,410 | ​ |  | 1,263 | ​ |  | 4,214 | ​ |  | 3,799
Product development (b) | ​ |  | 42,371 | ​ |  | 26,539 | ​ |  | 108,073 | ​ |  | 64,732
Other expenses (c) | ​ |  | 3,638 | ​ |  | 2,532 | ​ |  | 10,501 | ​ |  | 6,907
Total R&D expense | ​ | $ | 62,931 | ​ | $ | 45,263 | ​ | $ | 169,741 | ​ | $ | 116,611
​
| (b) | Product development expenses include clinical investigator site fees, external trial monitoring costs, data accumulation costs, contracted research and outside clinical drug product manufacturing.
| (c) | Other expenses primarily include research and development consulting, insurance, licensing and software expenses.

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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