General form for registration of securities under the Securities Act of 1933

Equity Incentive Plan (Tables)

v3.26.1
Equity Incentive Plan (Tables)
9 Months Ended 12 Months Ended
Feb. 28, 2026
May 31, 2025
Equity Incentive Plan    
Schedule of stock option activity

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Weighted 

​

​

​

​

​

​

​

​

​

​

average

​

​

​

​

​

​

​

Weighted

​

remaining

​

Aggregate

​

​

Number of

​

average

​

contractual

​

intrinsic

(in thousands, except per share data and years)

  ​ ​ ​

shares

  ​ ​ ​

exercise price

  ​ ​ ​

life in years

  ​ ​ ​

value

Options outstanding at May 31, 2025

 

38,324

​

$

0.46

 

7.65

​

$

4,039

Granted

 

925

​

$

0.29

 

​

​

 

​

Exercised

 

(100)

​

$

0.21

 

​

​

 

6

Forfeited, expired, and cancelled

 

(905)

​

$

1.14

 

​

​

 

​

Options outstanding at February 28, 2026

 

38,244

​

$

0.44

 

6.98

​

$

1,794

Options outstanding and exercisable at February 28, 2026

 

31,322

​

$

0.44

 

6.66

​

$

1,320

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Weighted 

​

​

​

​

​

​

​

​

​

​

average

​

​

​

​

​

​

​

Weighted

​

remaining

​

Aggregate

​

​

Number of

​

average

​

contractual

​

intrinsic

(in thousands, except exercise price and years)

  ​ ​ ​

shares

  ​ ​ ​

exercise price

  ​ ​ ​

life in years

  ​ ​ ​

value

Options outstanding at May 31, 2023

 

19,823

​

$

0.99

 

7.87

​

$

—

Granted

 

14,251

​

$

0.21

 

​

​

 

​

Exercised

 

—

​

$

—

 

​

​

 

​

Forfeited, expired, and cancelled

 

(8,225)

​

$

0.87

 

​

​

 

​

Options outstanding at May 31, 2024

 

25,849

​

$

0.60

 

7.77

​

$

—

Granted

 

13,025

​

$

0.17

 

​

​

 

​

Exercised

 

(500)

​

$

0.21

 

​

​

$

72

Forfeited, expired, and cancelled

 

(50)

​

$

0.66

 

​

​

 

​

Options outstanding at May 31, 2025

 

38,324

​

$

0.46

 

7.65

​

$

4,039

Options outstanding and exercisable at May 31, 2025

 

28,594

​

$

0.54

 

7.23

​

$

2,653

Schedule of PSU activity

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Weighted average

​

​

Number of

​

Weighted average

​

remaining contractual

(shares in thousands)

  ​ ​ ​

RSUs and PSUs (1)

  ​ ​ ​

grant date fair value

​

life in years

Unvested PSUs at May 31, 2025

​

3,500

​

​

0.41

​

1.75

PSUs granted

​

—

​

​

​

​

​

PSUs forfeited

​

—

​

​

​

​

​

PSUs vested

​

—

​

​

​

​

​

Unvested PSUs at February 28, 2026

 

3,500

​

$

0.41

​

1.00

​

​

(1) The number of PSUs disclosed in this table are at the target level of 100%.
 
Summary of fair values of stock options granted  

​

​

​

​

​

​

​

​

​

​

Years ended May 31,

​

​

2025

  ​ ​ ​

2024

Expected Volatility

​

123.2% - 130.4

%

​

108.6% - 115.7

%

Weighted-Average Volatility

​

127.02

%

​

112.24

%

Expected Dividends

​

—

%

​

—

%

Expected Term (In years)

​

5.1 - 6.1

​

​

5.1 - 6.0

​

Risk-Free Rate

​

3.96

%

​

3.96

%

Schedule of Company RSU and PSU activity  

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Weighted average

​

​

Number of

​

Weighted average

​

remaining contractual

(shares in thousands)

  ​ ​ ​

RSUs and PSUs (1)

  ​ ​ ​

grant date fair value

​

life in years

Unvested RSUs and PSUs at May 31, 2023

 

1,293

​

$

0.58

​

0.81

RSUs and PSUs granted

 

—

​

​

​

​

​

RSUs and PSUs forfeited

 

(1,293)

​

​

0.58

​

​

RSUs and PSUs vested

 

—

​

​

​

​

​

Unvested RSUs and PSUs at May 31, 2024

​

—

​

​

​

​

​

RSUs and PSUs granted

​

3,500

​

​

0.41

​

​

RSUs and PSUs forfeited

​

—

​

​

​

​

​

RSUs and PSUs vested

​

—

​

​

​

​

​

Unvested RSUs and PSUs at May 31, 2025

 

3,500

​

$

0.41

​

1.75

​

(1)

The number of PSUs disclosed in this table are at the target level of 100%.