15.
Segment disclosure:

The Company operates as a single reportable segment dedicated to discovering, developing, and delivering life-changing therapeutics for patients in need. The Company has no products approved for sale and has not generated any revenue from product sales. The Company’s Chief Executive Officer acts as the CODM and manages the Company’s operations on a consolidated basis. The accounting policies of the segment are the same as those described in the summary of significant accounting policies.

The CODM evaluates the Company’s performance and allocates resources to the operations of the Company on a total company basis. Managing and allocating resources on a consolidated basis enables the CEO to assess the overall level of resources available and how to best deploy these resources across functions, therapeutic areas and research and development projects that are in line with the Company’s long-term company-wide strategic goals. The CODM uses net loss to monitor budget versus actual results and to analyze cash flows in assessing performance of the segment and allocating resources. The measure of segment assets is reported on the consolidated balance sheet as total consolidated assets, with a majority of these assets located in the United States.

The following table presents information about reported segment revenues, significant segment expenses, and segment loss:

 

 

 

Year Ended December 31,

 

 

 

2025

 

 

2024

 

 

2023

 

Collaboration revenue

 

$

7,500

 

 

$

 

 

$

 

 

 

 

 

 

 

 

 

 

 

Less:

 

 

 

 

 

 

 

 

 

Direct external research and development costs

 

 

 

 

 

 

 

 

 

Azetukalner

 

 

165,950

 

 

 

106,806

 

 

 

89,303

 

Pain programs (XEN1701, XEN1120)

 

 

7,510

 

 

 

4,795

 

 

 

 

Pre-clinical, discovery and other programs

 

 

24,387

 

 

 

16,751

 

 

 

20,704

 

Personnel-related expenses

 

 

89,703

 

 

 

68,340

 

 

 

47,739

 

Stock-based compensation

 

 

53,707

 

 

 

50,717

 

 

 

32,372

 

Other research and development costs

 

 

12,519

 

 

 

11,232

 

 

 

9,560

 

Other general and administrative costs

 

 

26,794

 

 

 

20,657

 

 

 

14,376

 

Interest income

 

 

(26,828

)

 

 

(41,943

)

 

 

(27,620

)

Other segment items(1)

 

 

(332

)

 

 

(3,025

)

 

 

(4,041

)

Net loss

 

 

(345,910

)

 

 

(234,330

)

 

 

(182,393

)

(1)
Other segment items include foreign exchange gain (loss), unrealized fair value gain on trading securities, and income tax recovery (expense).

Historical Timeline

Fiscal YearFiled
2025Feb 26, 2026Showing above
2024Feb 27, 2025

About Segments Disclosures

Segment disclosures break a company into its reportable operating units, revealing revenue, profit, and asset allocation that consolidated financial statements obscure. Under ASC 280, segments must match how the chief operating decision maker views the business, providing a window into internal management structure and resource allocation priorities.

Key signals: compare segment margins to identify which units drive profitability and which destroy value. Watch for changes in the number of reportable segments — segment aggregation or disaggregation often coincides with strategic shifts or attempts to obscure declining performance. Intersegment elimination patterns reveal internal pricing practices. The reconciliation between segment totals and consolidated figures exposes corporate overhead allocation and unallocated items. Geographic revenue concentration highlights regulatory and currency exposure. Compare segment-level capital expenditure against segment revenue to assess where management is investing for future growth versus harvesting existing assets.