v3.26.3
Stockholders' equity (Tables)
12 Months Ended
Jun. 30, 2026
Equity [Abstract]  
Schedule of common stock reserved for future issuance

As of June 30, 2026 and June 30, 2025, common stock reserved for future issuance consisted of the following:

 

June 30,
2026

 

June 30,
2025

 

Common stock warrants outstanding

 

20,017,501

 

 

20,443,496

 

Common stock options issued and outstanding

 

7,035,497

 

 

4,902,140

 

Shares available for future issuance under the 2020 Plan

 

1,169,040

 

 

3,302,397

 

Shares reserved for common stock under the At the Market
   Offering

 

8,000,000

 

 

8,000,000

 

Total

 

36,222,038

 

 

36,648,033

 

Schedule of warrants or rights

The activity related to warrants for the fiscal years ended June 30, 2026 and 2025, is summarized as follows:

 

 

Common
Stock from
Warrants

 

 

Weighted-
average
Exercise
Price (per
share)

 

Outstanding and exercisable at July 1, 2024

 

 

34,271,146

 

 

$

1.8453

 

Pre-funded warrants issued March 25, 2025

 

 

300,000

 

 

$

0.0001

 

Pre-funded warrants exercised

 

 

(2,374,583

)

 

$

0.0001

 

Series 2 warrants exercised

 

 

(1,553,927

)

 

$

1.9299

 

Common warrants exercised

 

 

(10,192,840

)

 

$

3.8600

 

Purchase warrants expired

 

 

(6,300

)

 

$

178.5000

 

Outstanding and exercisable at June 30, 2025

 

 

20,443,496

 

 

$

0.9672

 

Pre-funded warrants exercised

 

 

(200,276

)

 

$

0.0001

 

Series 2 warrants exercised

 

 

(63,792

)

 

$

1.9299

 

Common warrants exercised

 

 

(161,927

)

 

$

3.8600

 

Outstanding and exercisable at June 30, 2026

 

 

20,017,501

 

 

$

0.9504

 

Schedule of equity awards

The activity related to equity awards, which are comprised of stock options during the fiscal years ended June 30, 2026 and 2025, respectively, is summarized as follows:

 

 

Stock
Options

 

 

Weighted-
average
Exercise
Price

 

 

Weighted-
average
Remaining
Contractual
Term

 

 

Aggregate
Intrinsic
Value

 

Outstanding at July 1, 2024

 

 

1,182,140

 

 

$

6.58

 

 

9.51 years

 

 

$

2,342,847

 

Granted

 

 

3,720,000

 

 

 

12.16

 

 

9.47 years

 

 

 

 

Outstanding at June 30, 2025

 

 

4,902,140

 

 

$

10.81

 

 

9.24 years

 

 

$

7,728,384

 

Granted

 

 

2,142,572

 

 

 

14.10

 

 

9.41 years

 

 

 

 

Forfeited

 

 

(9,215

)

 

 

15.90

 

 

 

 

 

 

 

Outstanding at June 30, 2026

 

 

7,035,497

 

 

$

11.80

 

 

8.59 years

 

 

$

14,513,940

 

Exercisable at June 30, 2026

 

 

2,556,260

 

 

$

10.83

 

 

8.23 years

 

 

$

8,444,710

 

 

Schedule of share-based compensation expense

The classification of share-based compensation expense is summarized as follows:

 

 

June 30,

 

(US$’000)

 

2026

 

 

2025

 

Research and development

 

$

8,575

 

 

$

2,299

 

General and administrative

 

 

17,835

 

 

 

15,127

 

Total share-based compensation expense

 

$

26,410

 

 

$

17,426

 

Schedule of equity-based compensation expense

The Company estimated the fair value of each employee equity award on the grant date using the Black-Scholes option-pricing model with the following assumptions:

 

 

June 30,

 

 

2026

 

 

2025

 

Expected volatility

 

 

114.2

%

 

 

121.2

%

Expected term

 

6 years

 

 

6 years

 

Risk-free interest rate

 

 

3.79

%

 

 

4.12

%

Expected dividend yield

 

 

%

 

 

%