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Upstream - Green Oilfield & Associated Gas Recovery
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HWH
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Upstream - Green Oilfield & Associated Gas Recovery
Downstream - Integrated Energy Utilization System
Midstream - Biomass Gasification & Biomethane
On-Chain Finance
HWH
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Filing Date
Form Type
Description
4
Statement of changes in beneficial ownership of securities
Jan 19, 2026
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SC13DA
[Amend] General Statement of Acquisition of Beneficial Ownership
Nov 30, 2025
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8-K
Current Report
Nov 30, 2025
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Current Report
8-K
Nov 20, 2025
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8-K
Current Report
Nov 13, 2025
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10-Q
Quarterly report
Oct 22, 2025
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DEF 14C
Other definitive information statements
Oct 20, 2025
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PRE14C
Other preliminary information statements
Oct 10, 2025
View
DEF14A
Other definitive proxy statements
Oct 9, 2025
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8-K
Current Report
Oct 8, 2025
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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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