Activity — Mammoth Energy Services, Inc.

11 moves.

Date	Actor	Action	Security	Value	Shares Δ	Position after	Impact
Jun 17, 2026	Wexford Capital LP Executive	Buy	Common Stock	$10.47M	+4.0M +60.89%	10,620,789 22.07% of shares	high
May 28, 2026	Amron Arthur H Director	Buy	Common Stock	$9.8K	+3K +5.03%	62,635 0.13% of shares	low
May 26, 2026	Amron Arthur H Director	Buy	Common Stock	$8.1K	+3K +4.38%	59,635 0.12% of shares	low
Jun 11, 2026	Amron Arthur H Director	Buy	Common Stock	$8.0K	+3K +3.99%	65,135 0.14% of shares	low
Jun 12, 2026	Amron Arthur H Director	Buy	Common Stock	$6.6K	+2K +3.07%	67,135 0.14% of shares	low
Jun 17, 2026	Amron Arthur H Director	Other	Common Stock	$0	+10K	10,329 0.02% of shares	low
Jun 17, 2026	Amron Arthur H Director	Other	Common Stock	$0	+19K +28.48%	86,256 0.18% of shares	low
Jun 17, 2026	Wexford Capital LP Executive	Other	Common Stock	$0	+6.4M +2577.46%	6,601,215 13.72% of shares	low
Jun 17, 2026	Wexford Capital LP Executive	Other	Common Stock	$0	+1.1M +283.73%	1,451,034 3.01% of shares	low
Jun 17, 2026	Charles E. Davidson Executive	Other	Common Stock	$0	+4.1M	4,066,610 8.45% of shares	low
Jun 17, 2026	Charles E. Davidson Executive	Other	Common Stock	$0	+2.4M	2,403,831 4.99% of shares	low