Insider Transactions

What MAMMOTH ENERGY SERVICES, INC.'s executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.

Insider trades

	3 months	12 months
Open-market buys	3	6
Sells	0	0
Total trades	11	14

Shares traded

	3 months	12 months
Acquired	18,022,891	18,038,391
Disposed	0	0
Net activity	+18,022,891	+18,038,391

See the story behind these numbers

View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.

Open-market buyer Disclosed 10b5-1 Heavy discretionary Sign up free

All transactions

All Buys Sells

Insider	Relation	Date	Transaction	Shares	Price	Value	Shares held
Lancaster Phillip	Director	Jun 26	Other Transaction · J	+68,152	—	—	159,445
Davidson Charles E	10% owner	Jun 17	Other Transaction · J	+4,066,610	—	—	4,066,610
Davidson Charles E	10% owner	Jun 17	Other Transaction · J	+2,403,831	—	—	2,403,831
Wexford Capital Lp	Chief Business Officer	Jun 17	Open-market buy · P	+4,019,574	$2.60	+$10.5M	10,620,789
Wexford Capital Lp	Chief Business Officer	Jun 17	Other Transaction · J	+6,354,667	—	—	6,601,215
Wexford Capital Lp	Chief Business Officer	Jun 17	Other Transaction · J	+1,072,896	—	—	1,451,034
Amron Arthur H	Director	Jun 17	Other Transaction · J	+10,329	—	—	10,329
Amron Arthur H	Director	Jun 17	Other Transaction · J	+19,121	—	—	86,256
Jacobi Paul M.	Chief Business Officer	Jun 17	Other Transaction · J	+3,211	—	—	31,067
Amron Arthur H	Director	Jun 12	Open-market buy · P	+2,000	$3.28	+$6.56K	67,135
Amron Arthur H	Director	Jun 11	Open-market buy · P	+2,500	$3.22	+$8.05K	65,135
Amron Arthur H	Director	May 28	Open-market buy · P	+3,000	$3.25	+$9.75K	62,635
Amron Arthur H	Director	May 26	Open-market buy · P	+2,500	$3.24	+$8.1K	59,635
Amron Arthur H	Director	Dec 11	Open-market buy · P	+10,000	$1.89	+$18.9K	57,135
Smith Arthur L	Director	May 22	Open-market sale · S	−20,000	$2.51	−$50.2K	130,034
Smith Arthur L	Director	May 20	Open-market sale · S	−50,000	$2.51	−$126K	150,034
Smith Arthur L	Director	May 19	Open-market sale · S	−15,000	$2.49	−$37.4K	200,034
Amron Arthur H	Director	Dec 12	Open-market buy · P	+1,000	$2.97	+$2.97K	47,135
Booker Corey J.	Director	Nov 25	Open-market sale · S	−15,000	$3.47	−$52.1K	125,488
Booker Corey J.	Director	Nov 22	Open-market sale · S	−10,000	$3.43	−$34.3K	140,488

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