MAMMOTH ENERGY SVCS INC

Ticker: TUSK CUSIP: 56155L108 Class: COM

GLOBEFLEX CAPITAL L P's Holding History (CIK: 0000921531)

Note: Option positions (PUT/CALL) are excluded.

Q2 2019

Shares 27,102 Value ($000) $186 Avg Close $12.71 Range $5.55 - $18.81

Q1 2019

Shares 56,452 Value ($000) $940 Avg Close $21.35 Range $16.27 - $24.62

Q4 2018

Shares 14,663 Value ($000) $264 Avg Close $24.57 Range $16.81 - $30.61

Q3 2018

Shares 14,663 Value ($000) $427 Avg Close $32.95 Range $25.64 - $40.75

Q2 2018

Shares 13,863 Value ($000) $471 Avg Close $35.13 Range $28.34 - $42.30

Q1 2018

Shares 2,900 Value ($000) $93 Avg Close $24.99 Range $18.66 - $33.67

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2019	27,102	$186	$12.71	$5.55 - $18.81
Q1 2019	56,452	$940	$21.35	$16.27 - $24.62
Q4 2018	14,663	$264	$24.57	$16.81 - $30.61
Q3 2018	14,663	$427	$32.95	$25.64 - $40.75
Q2 2018	13,863	$471	$35.13	$28.34 - $42.30
Q1 2018	2,900	$93	$24.99	$18.66 - $33.67