v3.26.3
Segment Reporting (Tables)
 9 Months Ended
Sep. 30, 2026
Segment Reporting [Abstract]  
Summary of the Segment Loss including Significant Segment Expenses

The table below is a summary of the segment loss, including significant segment expenses that are reviewed by the CODM (in thousands):

 

 

Three Months Ended
September 30,

 

 

Nine Months Ended
September 30,

 

 

2026

 

 

2025

 

 

2026

 

 

2025

 

Operating expenses

 

 

 

 

 

 

 

 

 

 

 

 

Aβ program research and development costs (1)

 

$

16,311

 

 

$

20,014

 

 

$

32,643

 

 

$

20,202

 

Undisclosed programs research and development costs (2)

 

 

9,142

 

 

 

—

 

 

 

15,038

 

 

 

—

 

General and administrative personnel costs (including stock-based compensation)

 

 

3,732

 

 

117

 

 

 

7,279

 

 

117

 

Research and development personnel costs (including stock-based compensation) (3)

 

 

3,241

 

 

204

 

 

 

6,401

 

 

240

 

Parasa warrant stock-based compensation (4)

 

 

12,664

 

 

199

 

 

 

13,508

 

 

199

 

Other general and administrative costs (5)

 

 

2,403

 

 

 

1,361

 

 

 

5,076

 

 

 

1,473

 

Other research and development costs (6)

 

 

781

 

 

62

 

 

 

1,540

 

 

91

 

Interest income

 

 

(1,849

)

 

 

(234

)

 

 

(4,190

)

 

 

(374

)

Net loss

 

$

46,425

 

 

$

21,723

 

 

$

77,295

 

 

$

21,948

 

 

(1)
Includes related party amounts of $1,856 and $11,282 for the three and nine months ended September 30, 2026, respectively, and $20,014 for the three and nine months ended September 30, 2025.
(2)
Includes related party amounts of $9,142 and $15,038 for the three and nine months ended September 30, 2026, respectively.
(3)
Includes related party amounts of $10 and $46 for the three and nine months ended September 30, 2025, respectively.
(4)
Includes related party amounts of $12,664 and $13,508 for the three and nine months ended September 30, 2026, respectively, and $199 for the three and nine months ended September 30, 2025.
(5)
Includes related party amounts of $721 for the three and nine months ended September 30, 2025.
(6)
Includes related party amounts of $0 and $21 for the three and nine months ended September 30, 2026, respectively, and $39 for the three and nine months ended September 30, 2025.