Filing Manager
VALUEWORKS LLC
Reporting Manager
VALUEWORKS LLC
Symbol
TUSK
Shares outstanding
48,165,948 shares
Disclosed Ownership
2,389,031 shares
Ownership
5%
Form type
SCHEDULE 13G/A
Filing time
14 Aug 2025, 19:02:01 UTC
Date of event
30 Jun 2025

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Quoteable Key Fact

"VALUEWORKS LLC disclosed 5% ownership in Mammoth Energy Services, Inc. Common Stock, $0.01 par value (TUSK) on 30 Jun 2025."

Quick Takeaways

  • VALUEWORKS LLC filed SCHEDULE 13G/A for Mammoth Energy Services, Inc. Common Stock, $0.01 par value (TUSK).
  • Disclosed ownership: 5%.
  • Date of event: 30 Jun 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 14 Aug 2025, 19:02.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
VALUEWORKS LIMITED PARTNERS, LP 3.9% 1,891,521 0 1,891,521 By: ValueWorks Capital, LLC, its general partner, By: /s/ Charles Lemonides Charles Lemonides, Managing Member
VALUEWORKS CAPITAL, LLC 3.9% 1,891,521 0 1,891,521 By: /s/ Charles Lemonides Charles Lemonides, Managing Member
VALUEWORKS LLC 5% 2,389,031 0 2,389,031 By: /s/ Charles Lemonides Charles Lemonides, Managing Member
CHARLES LEMONIDES 5% 2,389,031 0 2,389,031 By: /s/ Charles Lemonides Charles Lemonides