PROPETRO HLDG CORP

Ticker: PUMP CUSIP: 74347M108 Class: Common Stock

Cornerstone Wealth Management, LLC's Holding History (CIK: 0001674117)

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

Q2 2018

Shares 35,167 Value ($000) $2,306 Avg Close $17.21 Range $14.00 - $20.91

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	35,167	$2,306	$17.21	$14.00 - $20.91