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Restructuring | 3 Months Ended
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Mar. 31, 2025
Restructuring and Related Activities [Abstract] |
Restructuring | Note 14. Restructuring In May 2024, the Company implemented a reduction-in-force of approximately 67% of its total workforce as a result of the recently announced research and development program prioritization under which the Company’s HSCT-TMA program with investigational nomacopan was suspended. The reduction-in-force was part of an operational restructuring plan (the “May 2024 Restructuring Plan”) which also included the elimination of certain senior management positions. The May 2024 Restructuring Plan was completed in the third quarter of 2024. The purpose of the May 2024 Restructuring Plan, including the reduction-in-force, was to reduce HSCT-TMA program related operating costs, while supporting the execution of the Company’s long-term strategic plan including the acquisition of Peak Bio. As of March 31, 2025, the Company does not expect to incur additional restructuring-related expenses related to the May 2024 Restructuring Plan. The following table presents the restructuring reserve and accrual activity for the three months ended March 31, 2025:
|  | Severance and |  |  | Other |  |  |  |
(In thousands) |  | Employee Benefit Costs |  |  | Restructuring Charges |  |  | Total |
Balance at December 31, 2024 |  | $ | 450 |  |  | $ | — |  |  | $ | 450 |
Restructuring adjustment |  |  | (50 | ) |  |  | — |  |  |  | (50 | )
Cash payments |  |  | — |  |  |  | — |  |  |  | — |
Balance at March 31, 2025 |  | $ | 400 |  |  | $ | — |  |  | $ | 400 |
The restructuring reserve is presented within “accrued expenses” in the Company’s condensed consolidated balance sheets. No restructuring activities occurred during the three months ended March 31, 2024.

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- Definition The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/420/tableOfContent Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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