PROPETRO HLDG CORP

Ticker: PUMP CUSIP: 74347M108 Class: Common Stock

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q4 2025

Shares 947,900 Value ($000) $9,015 Avg Close $8.69 Range $4.87 - $11.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	947,900	$9,015	$8.69	$4.87 - $11.66