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Insider trade

Mammoth Energy Services (TUSK)Director bought ~$19K

Arthur H Amron, Director at Mammoth Energy Services, bought ~$19K of Mammoth Energy Services shares.

~$19K
Approx. value · 10K sh @ $1.89
57K
Holds after · shares reported
Traded
Dec 11, 2025
Filed
Dec 15, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Oct 31, 2025Company filing · Form 8-K · ResultsReported its results
  2. Dec 2, 2025Company filing · Form 8-K · Material agreement, Acquisition or saleCompleted buying or selling a business or assets, and signed an important agreement (and 1 more item)“On December 2, 2025, the Company issued a press release announcing the Transaction. A copy of the press release is furnished herewith as Exhibit 99.1 hereto and is incorporated by reference into this”
  3. Dec 11, 2025 · this disclosureInsider · Their largest buy since 2024Director purchased ~$19K of TUSK shares in the open market

What came next

  1. Mar 6, 2026Company filing · Form 8-K · ResultsReported its results
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Mammoth Energy Services

For Mammoth Energy Services, OQRO holds 1 insider filing (SEC Form 4 or Form 144) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its TUSK page.

Other recent filings by Arthur H Amron, Director

The full history of Arthur H Amron, Director is on the profile page.

How this filing works

Other disclosures at Mammoth Energy Services

Everything OQRO holds on this company is on its TUSK page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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