v3.26.1
Stockholders' Equity (Deficit) (Tables)
6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Summary of RSU Activity

The following is a summary of RSU activity under our 2014 EIP, 2024 EIP and Inducement Plan:

 

 

 

RSUs

 

 

 

Shares

 

 

Weighted
Average
Grant Date Fair Value

 

Balance as of December 31, 2025

 

 

216,048

 

 

$

9.72

 

Granted

 

 

315,200

 

 

 

8.36

 

Forfeited

 

 

(12,435

)

 

 

7.91

 

Vested

 

 

(133,974

)

 

 

10.82

 

Balance as of June 30, 2026

 

 

384,839

 

 

$

8.28

 

Summary of Stock Option Activity

The following is a summary of stock option activity under our 2014 EIP, 2024 EIP and Inducement Plan:

 

 

 

Shares

 

 

Weighted
Average
Exercise Price

 

 

Weighted
Average
Remaining
Contractual
Term (Years)

 

 

Aggregate
Intrinsic
Value
(in thousands)

 

Balance as of December 31, 2025

 

 

72,290

 

 

$

191.81

 

 

 

6.2

 

 

$

23

 

Forfeited or expired

 

 

(942

)

 

 

400.43

 

 

 

 

 

 

 

Balance as of June 30, 2026

 

 

71,348

 

 

$

189.04

 

 

 

5.1

 

 

$

2

 

Vested and expected to vest as of June 30, 2026

 

 

71,348

 

 

$

189.04

 

 

 

5.1

 

 

$

2

 

Exercisable as of June 30, 2026

 

 

71,348

 

 

$

189.04

 

 

 

5.1

 

 

$

2

 

Schedule of Common Stock Reserved for Future Issuance Under Equity Incentive Plans

The following shares of common stock were reserved for future issuance under our equity incentive plans as of June 30, 2026:

 

 

 

Total Shares
Reserved

 

2014 Equity Incentive Plan

 

 

67,351

 

2018 Inducement Plan

 

 

149,584

 

2024 Equity Incentive Plan

 

 

710,701

 

2014 Employee Stock Purchase Plan

 

 

20,738

 

Total reserved shares of common stock

 

 

948,374

 

 

Schedule of Stock-based Compensation, Related to Employee and Nonemployee Stock Awards

Stock-based Compensation Expense

The following is a summary of stock-based compensation expense for the periods presented:

 

 

 

Three Months Ended June 30,

 

 

Six Months Ended June 30,

 

 

 

2026

 

 

2025

 

 

2026

 

 

2025

 

 

 

(in thousands)

 

 

(in thousands)

 

Research and development

 

$

80

 

 

$

742

 

 

$

355

 

 

$

2,340

 

General and administrative

 

 

314

 

 

 

2,059

 

 

 

788

 

 

 

4,670

 

Total stock-based compensation expense

 

$

394

 

 

$

2,801

 

 

$

1,143

 

 

$

7,010