​

​

​

​

​

​

​

Weighted 

​

​

​

​

​

​

​

​

​

​

average

​

​

​

​

​

​

​

Weighted

​

remaining

​

Aggregate

​

​

Number of

​

average

​

contractual

​

intrinsic

(in thousands, except for share data and years)

  ​ ​ ​

shares

  ​ ​ ​

exercise price

  ​ ​ ​

life in years

  ​ ​ ​

value

Warrants outstanding at May 31, 2025

213,128

​

$

0.27

3.71

​

$

27,923

Granted

87,786

​

$

0.25

​

​

​

Exercised

(597)

​

$

0.09

​

​

129

Forfeited, expired, and cancelled

(105)

​

$

3.07

​

​

​

Warrants outstanding at February 28, 2026

300,212

​

$

0.26

3.75

​

$

13,391

Warrants outstanding and exercisable at February 28, 2026

300,212

​

$

0.26

3.75

​

$

13,391