GK

Geoffrey Kempler

Hexima Limited | Executive Chairman, Managing Director
Mr Kempler is a qualified psychologist with extensive experience in investment and business development. He was Founder and Chairman of the board of directors of Alterity Therapeutics Limited (ASX:ATH) from November 1997 until November 2025 and served as Chairman and non-executive director of Opthea Limited, an ASX and NASDAQ listed drug development company, from November 2015 until October 2020. He was Chairman of Ausbiotech, an Australian biotechnology organisation, from November 2021 until November 2023.

Company and Roles

Company
Title
Tenure
Since
HXL
HXL
Hexima Limited
  • Executive Chairman
  • Managing Director
3yrs, 1mthSep 2023

Holdings

Company
Last Notice
Direct Shares
Indirect Shares
Options
Convertibles
HXL
HXL
Hexima Limited
30/06/26N/AN/A837,500N/A
ATH
ATH
17/09/2530,00018,011,00060,000,000N/A

Transactions

Company
Date
Type
Amount
Price
Value
Notes
ATH
ATH
17/09/25
Expiry
14,000,000$0.011$154,000Options expired
ATH
ATH
30/12/24
Issued
60,000,000$0.008$480,000Employee Share Ownership Plan
HXL
HXL
Hexima Limited
20/03/24
Issued
3,350,000$0.013$43,550Issue of options
ATH
ATH
14/12/22
Expiry
5,000,000$0.010$50,000Options expired
ATH
ATH
18/09/20
Issued
14,000,000$0.054$756,000Issue of options