secwatch / observer
GSTX Graphene & Solar Technologies Ltd
CIK 0001497649 9 ready 8-Ks latest June 24, 2026, 5:01 PM ET RSS · JSON
Activity: ELEVATED 2 filings / 30d vs 0 baseline
Ready 8-Ks 9
Latest filing June 25, 2026, 6:00 PM ET
Top materiality 0.85
Event mix leadership ×5 · m_and_a ×2 · other_material ×1
Sentiment 1 pos · 1 neg · 7 neu
Executive change recent →

Recent 8-K filings for GSTX

Highest-materiality recent filing

CEO Roger Thomas May dies; Andrew Liang appointed interim CEO

August 30, 2022, 7:59 PM ET leadership materiality 0.85 negative item 5.02 ◈ executive_change ×2

Read filing →

Executive changes

Departed

Roger Thomas May

CEO
GSTX · Graphene & Solar Technologies Ltd
Effective
2022-08-24
Successor
Andrew Liang
Filed
August 30, 2022, 7:59 PM ET
the family of Roger Thomas May, CEO, advised board members of his sudden passing late in the evening of August 24, 2022.
Appointed (interim)

Andrew Liang

interim CEO
GSTX · Graphene & Solar Technologies Ltd
Effective
2022-08-26
Filed
August 30, 2022, 7:59 PM ET
the board of directors approved the appointment of Dr. Andrew Liang as interim CEO, while the company commences identifying a permanent replacement to this position.
Role change

Roger May

Chief Executive Officer
GSTX · Graphene & Solar Technologies Ltd
Effective
2021-12-20
Successor
Rodney Young
Filed
December 22, 2021, 6:59 PM ET
Roger May who he replaces as Chairman will continue in his role as CEO for the Company.
Appointed

Rodney Young

Chairman
GSTX · Graphene & Solar Technologies Ltd
Effective
2021-12-20
Filed
December 22, 2021, 6:59 PM ET
Rodney Young of Sydney, Australia, has been appointed as the new Chairman of the Company effective December 20th, 2021, until further notice.

Materiality & sentiment trend

Max materiality 0.85 · Median 0.50 · Most common event leadership

1 positive 1 negative 7 neutral

source · GSTX on sec.gov