Form 4 for TUSK MAMMOTH ENERGY SERVICES, INC.

Accepted 2026-06-22 16:26:43 ET · period of report 2026-06-17 · accession 0001398344-26-011113 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
	2026-06-22 16:26	2026-06-17	TUSK	WEXFORD CAPITAL LP	Chief Business Off, Dir, 10%	J - Other	$0.00	+1.07M	1.45M	+284%	$0
I	2026-06-22 16:26	2026-06-17	TUSK	WEXFORD CAPITAL LP	Chief Business Off, Dir, 10%	J - Other	$0.00	+6.35M	6.60M	+2,577%	$0
I	2026-06-22 16:26	2026-06-17	TUSK	WEXFORD CAPITAL LP	Chief Business Off, Dir, 10%	P - Purchase	$2.60	+4.02M	10.62M	+61%	+$10.47M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-06-17	J	A	1,072,896	$0.00	1,451,034	D	—	—	(F1) Represents an in-kind distribution from MEH SUB LLC ("MEH SUB"), an entity managed by Wexford Capital LP ("Wexford Capital"), as payment of fees and expenses owed to Wexford Capital related to its performance of investment management services.
2	Common	Common Stock	2026-06-17	J	A	6,354,667	$0.00	6,601,215	I See footnotes	—	—	(F2) Represents an in-kind distribution from MEH SUB that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration. (F3) Represents the common stock of the Issuer held in the aggregate by Wexford Spectrum Trading Limited ("WST"), Wexford Catalyst Trading Limited ("WCT") and Wexford Focused Trading Limited ("WFT", and together with WST and WCT, the "Wexford Entities"). (F4) Wexford Capital may, by reason of its status as (i) sub-advisor of each of WST and WCT and (ii) investment manager of WFT be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC ("Wexford GP") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson ("Davidson") and Joseph M. Jacobs ("Jacobs", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the "Reporting Persons") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities. (F5) Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein. The Reporting Persons may be deemed to be a director and officer of the Issuer by virtue of Paul Jacobi, an employee of Wexford Capital, serving as a director and officer of the Issuer.
3	Common	Common Stock	2026-06-17	P	A	4,019,574	$2.60	10,620,789	I See footnotes	—	—	(F3) Represents the common stock of the Issuer held in the aggregate by Wexford Spectrum Trading Limited ("WST"), Wexford Catalyst Trading Limited ("WCT") and Wexford Focused Trading Limited ("WFT", and together with WST and WCT, the "Wexford Entities"). (F4) Wexford Capital may, by reason of its status as (i) sub-advisor of each of WST and WCT and (ii) investment manager of WFT be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC ("Wexford GP") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson ("Davidson") and Joseph M. Jacobs ("Jacobs", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the "Reporting Persons") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities. (F5) Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein. The Reporting Persons may be deemed to be a director and officer of the Issuer by virtue of Paul Jacobi, an employee of Wexford Capital, serving as a director and officer of the Issuer.