v3.26.1
Segment Reporting (Tables)
6 Months Ended
Jun. 30, 2026
Segment Reporting [Abstract]  
Schedule of Segment Profit or Loss

The table below is a summary of the segment profit or loss, including significant segment expenses (in thousands):

 

 

 

Three Months Ended June 30,

 

 

Six Months Ended June 30,

 

 

 

2026

 

 

2025

 

 

2026

 

 

2025

 

Research and development expenses:

 

 

 

 

 

 

 

 

 

 

 

 

Lasofoxifene

 

$

9,109

 

 

$

 

 

$

17,738

 

 

$

 

Fosgonimeton (ATH-1017)

 

 

6

 

 

 

555

 

 

 

189

 

 

 

1,862

 

Brelgometon (ATH-1105)

 

 

294

 

 

 

1,237

 

 

 

537

 

 

 

2,161

 

ATH-1020

 

 

 

 

 

 

 

 

 

 

 

5

 

Preclinical programs and other costs

 

 

465

 

 

 

258

 

 

 

820

 

 

 

660

 

Milestone liability change in fair value

 

 

175

 

 

 

 

 

 

(754

)

 

 

 

Personnel-related costs, excluding stock- based compensation

 

 

1,859

 

 

 

918

 

 

 

3,354

 

 

 

1,916

 

Total research and development expenses

 

 

11,908

 

 

 

2,968

 

 

 

21,884

 

 

 

6,604

 

General and administrative expenses

 

 

4,137

 

 

 

2,483

 

 

 

10,482

 

 

 

6,503

 

Other segment expenses(a)

 

 

3,408

 

 

 

1,840

 

 

 

4,301

 

 

 

3,720

 

Total operating expenses

 

 

19,453

 

 

 

7,291

 

 

 

36,667

 

 

 

16,827

 

Loss from operations

 

 

(19,453

)

 

 

(7,291

)

 

 

(36,667

)

 

 

(16,827

)

Other income, net

 

 

446

 

 

 

325

 

 

 

1,032

 

 

718

 

Sermonix pre-funded warrant change in fair value

 

 

 

 

 

 

 

 

(16,320

)

 

 

 

Net loss

 

$

(19,007

)

 

$

(6,966

)

 

$

(51,955

)

 

$

(16,109

)

 

(a)Other segment expenses includes stock-based compensation and depreciation expenses.