Stocks
TUSK Mammoth Energy Services, Inc.

TUSK

Mammoth Energy Services, Inc.

Company with tickers: TUSK

CIK

1679268

CUSIP

56155L108

Shares Outstanding

48,170,647

13F Activity (30d)

81 filings 79 filers

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-28	Amron Arthur H	Director	Buy	3,000	$3.25	$9,750	62,635
2026-05-26	Amron Arthur H	Director	Buy	2,500	$3.24	$8,100	59,635
2025-12-11	Amron Arthur H	Director	Buy	10,000	$1.89	$18,900	57,135
2025-05-22	SMITH ARTHUR L	Director	Sell	20,000	$2.51	$50,200	130,034
2025-05-20	SMITH ARTHUR L	Director	Sell	50,000	$2.51	$125,500	150,034
2025-05-19	SMITH ARTHUR L	Director	Sell	15,000	$2.49	$37,350	200,034
2024-12-12	Amron Arthur H	Director	Buy	1,000	$2.97	$2,971	47,135
2024-11-25	Booker Corey J.	Director	Sell	15,000	$3.47	$52,050	125,488
2024-11-22	Booker Corey J.	Director	Sell	10,000	$3.43	$34,300	140,488
2024-11-21	Booker Corey J.	Director	Sell	6,709	$3.25	$21,804	150,488
2024-11-20	Booker Corey J.	Director	Sell	5,000	$3.21	$16,050	157,197
2024-11-14	Booker Corey J.	Director	Sell	3,607	$3.50	$12,625	162,197
2024-11-13	Booker Corey J.	Director	Sell	7,100	$3.68	$26,100	165,804
2024-11-11	Booker Corey J.	Director	Sell	3,494	$3.61	$12,613	172,904
2024-11-08	Booker Corey J.	Director	Sell	24	$3.76	$90	176,398
2024-11-07	Booker Corey J.	Director	Sell	165	$3.90	$644	176,422
2024-06-12	Jacobi Paul M.	Director	Award	27,856	—	—	27,856
2024-06-12	Amron Arthur H	Director	Award	27,856	—	—	46,135
2024-06-12	Palm James D	Director	Award	27,856	—	—	240,144
2024-06-12	SMITH ARTHUR L	Director	Award	27,856	—	—	215,034
2024-06-12	Booker Corey J.	Director	Award	27,856	—	—	176,587
2024-05-30	Amron Arthur H	Director	Buy	3,000	$3.65	$10,944	18,279
2024-05-28	Amron Arthur H	Director	Buy	2,000	$3.57	$7,148	15,279
2024-03-12	WEXFORD CAPITAL LP	10% Owner	Other	535,366	—	—	21,690,075
2024-03-12	WEXFORD CAPITAL LP	10% Owner	Other	340,797	—	—	340,797
2024-03-12	Amron Arthur H	Director	Other	10,279	—	—	10,279
2024-03-12	Amron Arthur H	Director	Buy	3,000	$3.72	$11,157	13,279
2023-12-19	Straehla Arty	Director, Chief Executive Officer	Sell	40,000	$4.35	$174,160	1,012,107
2023-12-18	Straehla Arty	Director, Chief Executive Officer	Other	1,792	—	—	1,792
2023-12-18	Straehla Arty	Director, Chief Executive Officer	Sell	30,000	$4.38	$131,280	1,052,107
2023-12-15	Straehla Arty	Director, Chief Executive Officer	Sell	40,000	$4.36	$174,440	1,082,107
2023-12-14	Straehla Arty	Director, Chief Executive Officer	Sell	55,000	$4.44	$244,145	1,122,107
2023-12-13	Straehla Arty	Director, Chief Executive Officer	Sell	25,000	$4.39	$109,650	1,177,107
2023-12-13	Straehla Arty	Director, Chief Executive Officer	Other	1,792	—	—	1,792
2023-06-07	Palm James D	Director	Award	23,810	—	—	212,288
2023-06-07	Jacobi Paul M.	Director	Award	23,810	—	—	23,810
2023-06-07	Amron Arthur H	Director	Award	23,810	—	—	23,810
2023-06-07	SMITH ARTHUR L	Director	Award	23,810	—	—	187,178
2023-06-07	Booker Corey J.	Director	Award	23,810	—	—	148,731
2023-03-03	Straehla Arty	Director, Chief Executive Officer	Tax	129,220	$5.55	$717,171	1,202,107
2023-03-03	Straehla Arty	Director, Chief Executive Officer	Other	1,792	—	—	1,792
2023-03-03	Layton Mark E.	CFO and Secretary	Tax	36,375	$5.55	$201,881	418,985
2022-11-11	SMITH ARTHUR L	Director	Sell	20,000	$7.07	$141,324	163,368
2022-06-29	Amron Arthur H	Director	Award	45,662	—	—	45,662
2022-06-29	Booker Corey J.	Director	Award	45,662	—	—	124,921
2022-06-29	Palm James D	Director	Award	45,662	—	—	188,478
2022-06-29	Jacobi Paul M.	Director	Award	45,662	—	—	45,662
2022-06-29	SMITH ARTHUR L	Director	Award	45,662	—	—	183,368
2022-06-17	WEXFORD CAPITAL LP	10% Owner	Buy	10,382	$2.17	$22,578	22,434,125
2022-06-16	WEXFORD CAPITAL LP	10% Owner	Buy	35,000	$2.13	$74,400	22,423,743

Showing 1–50 of 81 transactions