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Equity Based Compensation (Tables)
6 Months Ended
Jun. 30, 2024
Share-Based Payment Arrangement [Abstract]  
Summary of Assumptions of the Valuation in Stock Option Activity The fair value of stock options granted was estimated using the following assumptions during the six months ended June 30, 2024:

 

 

 

Six Months Ended June 30,

 

2024

 

2023

Expected volatility

 

82.9% - 84.9%

 

81.5% - 83.5%

Expected life of options, in years

 

5.5 - 6.1

 

5.5 - 6.1

Risk-free interest rate

 

3.8% - 4.6%

 

3.5% - 4.2%

Expected dividend yield

 

0.0%

 

0.0%

Summary of Stock Option Awards Granted, Activity

The following table summarizes the activity related to the Company’s time-vested stock option awards granted under the 2022 Plan for the six months ended June 30, 2024:

 

 

Number of Shares

 

 

Weighted Average Exercise Price

 

Time-vested options outstanding at January 1, 2024

 

 

14,680,109

 

 

$

7.83

 

Granted

 

 

7,832,922

 

 

 

1.84

 

Exercised

 

 

(281

)

 

 

1.61

 

Forfeited

 

 

(2,102,879

)

 

 

5.22

 

Time-vested options outstanding at June 30, 2024

 

 

20,409,871

 

 

$

5.53

 

Time-vested options exercisable at June 30, 2024

 

 

3,150,017

 

 

$

9.12

 

Weighted average remaining contractual life

 

8.2 years

 

 

 

 

Time-vested options vested and expected to vest at June 30, 2024

 

 

20,409,871

 

 

$

5.53

 

Weighted average remaining contractual life

 

9.0 years

 

 

 

 

Summary of Performance-Based Stock Option Activity The following table summarizes the activity related to the Company’s performance-based stock option awards granted under the 2022 Plan for the six months ended June 30, 2024:

 

 

Number of Shares

 

 

Weighted Average Exercise Price

 

Performance-based options outstanding at January 1, 2024

 

 

1,000,000

 

 

$

1.69

 

Granted

 

 

506,250

 

 

 

1.27

 

Performance-based options outstanding at June 30, 2024

 

 

1,506,250

 

 

$

1.55

 

Performance-based options exercisable at June 30, 2024

 

 

 

 

$

 

Performance-based options vested and expected to vest at June 30, 2024

 

 

1,506,250

 

 

$

1.55

 

Weighted average remaining contractual life

 

9.5 years

 

 

 

 

Summary of Profits Interest awards, Activity

The following table summarizes the activity related to the Profits Interest awards for the six months ended June 30, 2024:

 

 

Number of Shares

 

 

Weighted Average Grant Date Fair Value

 

Unvested awards outstanding at January 1, 2024

 

 

3,565,753

 

 

$

7.23

 

Vested

 

 

(1,218,775

)

 

 

7.43

 

Forfeited

 

 

(158,250

)

 

 

7.43

 

Unvested awards outstanding at June 30, 2024

 

 

2,188,728

 

 

$

7.05

 

Summary of Compensation Expense Related to Share-Based Awards

Compensation expense related to equity-based awards is included in research and development and general and administrative expense as follows (in thousands):

 

 

Three Months Ended June 30,

 

 

Six Months Ended June 30,

 

 

2024

 

 

2023

 

 

2024

 

 

2023

 

Research and development

$

3,402

 

 

$

3,284

 

 

$

6,633

 

 

$

8,443

 

General and administrative

 

4,406

 

 

 

7,918

 

 

 

8,856

 

 

 

15,779

 

Total equity-based compensation expense

$

7,808

 

 

$

11,202

 

 

$

15,489

 

 

$

24,222

 

 

The following table summarizes our equity based compensation by type of award (in thousands):

 

 

Three Months Ended June 30,

 

 

Six Months Ended June 30,

 

 

2024

 

 

2023

 

 

2024

 

 

2023

 

Time-vested stock options

$

5,575

 

 

$

4,665

 

 

$

10,755

 

 

$

11,595

 

Performance-based stock options

 

310

 

 

 

 

 

 

569

 

 

 

 

Market-vested stock options

 

 

 

 

2,794

 

 

 

 

 

 

5,558

 

Legacy profits interests

 

1,923

 

 

 

3,743

 

 

 

4,165

 

 

 

7,069

 

Total equity-based compensation expense

$

7,808

 

 

$

11,202

 

 

$

15,489

 

 

$

24,222