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Board of Directors
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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
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Corporate Governance
SEC Filings
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Corporate Governance
SEC Filings
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Filing Date
Form Type
Description
SCHEDULE 13G/A
Schedule filed by certain investors to report beneficial ownership of more than 5% of a class of equity securities - amendment
May 7, 2026
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8-K
Current report
May 6, 2026
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4
Statement of changes in beneficial ownership of securities
Mar 31, 2026
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SCHEDULE 13D/A
Schedule filed to report acquisition of beneficial ownership of more than 5% of a class of equity securities - amendment
Mar 31, 2026
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10-K
Annual report [Section 13 and 15(d), not S-K Item 405]
Mar 25, 2026
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4
Statement of changes in beneficial ownership of securities
Mar 23, 2026
View
DEFM14C
Definitive information statement relating to merger or acquisition
Feb 16, 2026
View
144
Report of proposed sale of securities
Feb 11, 2026
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Prem14C
Preliminary information statements relating to merger or acquisition
Feb 6, 2026
View
8-K
Current Report
Feb 6, 2026
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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
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