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Mammoth Energy Svcs Inc

TUSKNASDAQ · US

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Holders

BlackRock
13F filer
$4.6M
1,410,164 sh
as-of 30 Jun 2024Stale
Renaissance Technologies
13F filer
$568.3K
231,972 sh
as-of 31 Mar 2026Stale
Plaumann Mark Lawrence
US insider
$15.0K
5,000 sh
as-of 10 Oct 2026T+2

Ownership

Ownership data not yet available for this security.

Disclosure timeline

ACQUIREDT+30
Plaumann Mark Lawrence
Mammoth Energy Svcs Inc · NASDAQ
+5,000 sh · $15.0K
Filed 17 Sept 2026SEC Form 4view source
DISCLOSEDStale
Renaissance Technologies
Mammoth Energy Svcs Inc · NASDAQ
231,972 sh · $568.3K
Filed 31 Mar 2026SEC 13Fview source
DISCLOSEDStale
BlackRock
Mammoth Energy Svcs Inc · NASDAQ
1,410,164 sh · $4.6M
Filed 30 Jun 2024SEC 13Fview source

Announcements

No announcements on record for this security.

TUSKNASDAQ · US

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Latest filing17 Sept 2026T+30

3 disclosed holders · 3 disclosures · 0 announcements

Ownership

Ownership data not yet available for this security.

Announcements

No announcements on record for this security.