MAD RIVER INVESTORS

Holdings History for MAMMOTH ENERGY SERVICES, INC. - Common Stock, $0.01 par value (TUSK)

Symbol: TUSK on Nasdaq
Investment type: Equity / Common Stock, $0.01 par value

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Mar 2023		-0.05%	$0	0	-10,700	-100%	$2.41	Q1 2023
31 Dec 2022	0.05%	-0%	$93,000	10,700	-550	-4.9%	$8.69	Q4 2022
30 Sep 2022	0.03%	+0%	$38,000	11,250	+550	+5.1%	$3.38	Q3 2022
30 Jun 2022	0.02%	0%	$24,000	10,700	0		$2.24	Q2 2022
31 Mar 2022	0.02%	0%	$23,000	10,700	0		$2.15	Q1 2022
31 Dec 2021	0.01%	0%	$19,000	10,700	0		$1.78	Q4 2021
30 Sep 2021		0%	$49,000	10,700	0		$4.58 ^*	Q3 2021
30 Jun 2021	0.03%	0%	$49,000	10,700	0		$4.58	Q2 2021
31 Mar 2021	0.04%	-0%	$57,000	10,700	-1,000	-8.5%	$5.33	Q1 2021
31 Dec 2020	0.05%	0%	$52,000	11,700	0		$4.44	Q4 2020
30 Sep 2020	0.02%	+0.02%	$19,000	11,700	+11,700	NEW	$1.62	Q3 2020
30 Jun 2019		-0.38%	$0	0	-25,800	-100%	$2.41	Q2 2019
31 Mar 2019	0.38%	-0.06%	$430,000	25,800	-4,000	-13%	$16.67	Q1 2019
31 Dec 2018	0.59%	-0.47%	$536,000	29,800	-23,500	-44%	$17.99	Q4 2018
30 Sep 2018	1.2%	-0.1%	$1,551,000	53,300	-4,400	-7.6%	$29.10	Q3 2018
30 Jun 2018	1.6%	+1.6%	$1,959,000	57,700	+57,700	NEW	$33.95	Q2 2018

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.