top of page
Home
About
About
Board of Directors
About
Board of Directors
Business Units
Energy Tech System
Upstream - Green Oilfield & Associated Gas Recovery
Downstream - Integrated Energy Utilization System
Midstream - Biomass Gasification & Biomethane
On-Chain Finance
HWH
Energy Tech System
Upstream - Green Oilfield & Associated Gas Recovery
Downstream - Integrated Energy Utilization System
Midstream - Biomass Gasification & Biomethane
On-Chain Finance
HWH
Investors
Press Releases
Corporate Governance
SEC Filings
Press Releases
Corporate Governance
SEC Filings
Contact
Menu
Back to site
Filing Date
Form Type
Description
S-8
Securities to be offered to employees in employee benefit plans
Jul 26, 2026
View
D
Notice of Exempt Offering of Securities
Jun 28, 2026
View
DEF 14C
Other definitive information statements
Jun 21, 2026
View
PRE 14C
Other preliminary information statements
Jun 11, 2026
View
4
Statement of changes in beneficial ownership of securities
Jun 8, 2026
View
SCHEDULE 13D/A
Schedule filed to report acquisition of beneficial ownership of more than 5% of a class of equity securities
Jun 8, 2026
View
8-K
Current report
Jun 8, 2026
View
8-K
Current report
May 28, 2026
View
8-K
Current report
May 26, 2026
View
10-Q
Quarterly report
May 12, 2026
View
First
Prev
3
Page 3
Next
Last
SEC Filings
Home
About
About
Board of Directors
Business Units
Energy Tech System
Upstream - Green Oilfield & Associated Gas Recovery
Downstream - Integrated Energy Utilization System
Midstream - Biomass Gasification & Biomethane
On-Chain Finance
HWH
Investors
Press Releases
Corporate Governance
SEC Filings
Contact
Home
About
About
Board of Directors
Business Units
Energy Tech System
Upstream - Green Oilfield & Associated Gas Recovery
Downstream - Integrated Energy Utilization System
Midstream - Biomass Gasification & Biomethane
On-Chain Finance
HWH
Investors
Press Releases
Corporate Governance
SEC Filings
Contact
Home
About
About
Board of Directors
Business Units
Energy Tech System
Upstream - Green Oilfield & Associated Gas Recovery
Downstream - Integrated Energy Utilization System
Midstream - Biomass Gasification & Biomethane
On-Chain Finance
HWH
Investors
Press Releases
Corporate Governance
SEC Filings
Contact
bottom of page