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Mammoth Energy Services, Inc. (TUSK) — large price moves

Energy · NASDAQ

Single sessions where TUSK closed 10% or more away from the previous close, between 2025-10-20 and 2026-10-20. Each one lists the events filed in the 5 days ending at that session, in date order.

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Of the 8 moves listed, 4 have at least one filed event in the 5 days ending at the session, and 4 have none. Across the catalog most large moves have nothing filed near them, so an empty list is an ordinary result and not a gap.

Moves

  • 2026-08-07 +15.3% $2.94 to $3.39 filed events in the 5 days to 2026-08-07
    • 2026-08-07 Periodic filing 10-Q filedaccession 0001628280-26-054813Source: SEC EDGAR
    • 2026-08-07 Material event 8-K filed (material event)accession 0001628280-26-054588Source: SEC EDGAR
  • 2026-06-30 +11.7% $2.91 to $3.25 filed events in the 5 days to 2026-06-30

    No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.

  • 2026-06-25 -10.8% $3.05 to $2.72 filed events in the 5 days to 2026-06-25

    No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.

  • 2026-05-13 +10.9% $2.94 to $3.26 filed events in the 5 days to 2026-05-13
    • 2026-05-11 Periodic filing 10-Q filedaccession 0001628280-26-033686Source: SEC EDGAR
    • 2026-05-11 Material event 8-K filed (material event)accession 0001628280-26-033142Source: SEC EDGAR
    • 2026-05-11 Filing language risk_factors changed in the 10-Qsection risk_factors · accession 0001628280-26-033686Source: SEC EDGAR (section comparison against the prior filing)
    • 2026-05-11 Filing language mdna changed in the 10-Qsection mdna · accession 0001628280-26-033686Source: SEC EDGAR (section comparison against the prior filing)
  • 2026-05-11 +21.8% $2.39 to $2.91 filed events in the 5 days to 2026-05-11
    • 2026-05-11 Periodic filing 10-Q filedaccession 0001628280-26-033686Source: SEC EDGAR
    • 2026-05-11 Material event 8-K filed (material event)accession 0001628280-26-033142Source: SEC EDGAR
    • 2026-05-11 Filing language risk_factors changed in the 10-Qsection risk_factors · accession 0001628280-26-033686Source: SEC EDGAR (section comparison against the prior filing)
    • 2026-05-11 Filing language mdna changed in the 10-Qsection mdna · accession 0001628280-26-033686Source: SEC EDGAR (section comparison against the prior filing)
  • 2026-03-26 +12.4% $2.33 to $2.62 filed events in the 5 days to 2026-03-26

    No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.

  • 2026-03-06 -16.9% $2.55 to $2.12 filed events in the 5 days to 2026-03-06
    • 2026-03-06 Periodic filing 10-K filedaccession 0001628280-26-015693Source: SEC EDGAR
    • 2026-03-06 Material event 8-K filed (material event)accession 0001628280-26-015465Source: SEC EDGAR
  • 2025-12-03 +21.8% $1.77 to $2.15 filed events in the 5 days to 2025-12-03

    No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.

These are events filed near a session, listed by date. They are not ranked, and no connection between an event and a price move is stated or implied.

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See the full company profile: Mammoth Energy Services, Inc. (TUSK).

Informational only — NOT financial advice. Price moves are computed from stored daily closes; filed events come from their own sources with their own dates.