Form4insider filings, from the source

SEC Form 4 · accession 0001398344-26-011119

MAMMOTH ENERGY SERVICES, INC. · TUSK

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Paul M. Jacobi
Officer — Chief Business Officer · Director
Period of report
Jun 17, 2026
Accepted (ET)
Jun 22, 2026 · 4:42 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001679268

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockJun 17, 2026J3,211$0.00A31,067D

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

Remarks

The shares awarded to Paul Jacobi and reported in the Form 4 filed on June 14, 2024 were retained by Mr. Jacobi rather than assigned to Wexford Capital LP, due to updated terms of his employment with Wexford Capital LP.