Mammoth Energy CEO Arty Straehla to retire Dec 31; Phil Lancaster to become CEO Jan 1

MAMMOTH ENERGY SERVICES, INC.

Arty Straehla will retire as CEO and resign from the Board, effective December 31, 2024.
Phil Lancaster, current VP of Corporate Development, will become CEO on January 1, 2025.
Lancaster has over 20 years of energy industry experience, including prior CEO roles.
Compensatory terms for Straehla and Lancaster have not been finalized; will be disclosed later.

item 5.02 item 7.01 item 9.01

Executive movements

Machine-extracted from this filing. Every card cites the SEC source. See all recent executive movements.

Appointed

Phil Lancaster

Chief Executive Officer

TUSK · MAMMOTH ENERGY SERVICES, INC.

Effective: 2025-01-01
Filed: November 7, 2024, 6:59 PM ET

The Company also announced that Phil Lancaster, who currently serves as the Company’s Vice President of Corporate Development, will transition into the role of the Company’s Chief Executive Officer, effective as of January 1, 2025.

Departed

Arty Straehla

Chief Executive Officer

TUSK · MAMMOTH ENERGY SERVICES, INC.

Effective: 2024-12-31
Successor: Phil Lancaster
Filed: November 7, 2024, 6:59 PM ET

Arty Straehla has notified the Company’s Board of Directors (the “Board”) on November 6, 2024 of his decision to retire as the Chief Executive Officer of the Company, effective as of December 31, 2024.

Key facts

Extracted from this filing and checked against the source text.

Executive change SEC 8-K Item 5.02 confidence 0.95

Phil Lancaster was appointed as Chief Executive Officer at MAMMOTH ENERGY SERVICES, INC..

Action: appointed
Role: Chief Executive Officer

Exact text from the filing

The Company also announced that Phil Lancaster, who currently serves as the Company’s Vice President of Corporate Development, will transition into the role of the Company’s Chief Executive Officer, effective as of January 1, 2025.

View on SEC.gov

Executive change SEC 8-K Item 5.02 confidence 0.95

Arty Straehla retired as Chief Executive Officer at MAMMOTH ENERGY SERVICES, INC..

Action: retired
Role: Chief Executive Officer

Exact text from the filing

Arty Straehla has notified the Company’s Board of Directors (the “Board”) on November 6, 2024 of his decision to retire as the Chief Executive Officer of the Company, effective as of December 31, 2024.

View on SEC.gov

MAMMOTH ENERGY SERVICES, INC. filing history →

Source: SEC EDGAR

accession 0001679268-24-000080

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