MAMMOTH ENERGY SVCS INC

Ticker: TUSK CUSIP: 56155L108 Class: COM

Sigma Planning Corp's Holding History (CIK: 0001449126)

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

Q3 2021

Shares 14,500 Value ($000) $42 Avg Close $3.56 Range $2.44 - $5.08

Q2 2021

Shares 22,000 Value ($000) $101 Avg Close $4.12 Range $2.93 - $5.89

Q1 2021

Shares 21,500 Value ($000) $114 Avg Close $5.06 Range $3.67 - $7.27

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	14,500	$42	$3.56	$2.44 - $5.08
Q2 2021	22,000	$101	$4.12	$2.93 - $5.89
Q1 2021	21,500	$114	$5.06	$3.67 - $7.27