Amron Arthur H
Reporting Owner SEC Filing List

CIK: 0001179697
Form Filer Subject Company Filing Agent Date Actions
4Statement of changes in beneficial owner...Mammoth Energy Services, Inc. Workiva Inc. Wdesk /fa 06/15/2026
4Statement of changes in beneficial owner...Amron Arthur H 06/15/2026
4Statement of changes in beneficial owner...Nephros Inc Fredrikson & Byron/pa /fa 06/12/2026
4Statement of changes in beneficial owner...Nephros Inc Fredrikson & Byron/pa /fa 06/12/2026
4Statement of changes in beneficial owner...Amron Arthur H 06/12/2026
4Statement of changes in beneficial owner...Mammoth Energy Services, Inc. Workiva Inc. Wdesk /fa 05/28/2026
4Statement of changes in beneficial owner...Amron Arthur H 05/28/2026
4Statement of changes in beneficial owner...Nephros Inc Fredrikson & Byron/pa /fa 03/18/2026
4Statement of changes in beneficial owner...Amron Arthur H 03/18/2026
4Statement of changes in beneficial owner...Mammoth Energy Services, Inc. Workiva Inc. Wdesk /fa 12/15/2025
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Amron Arthur H 's Ownership Transactions

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Shares Price Total Amt Shares Owned