PROPETRO HLDG CORP

Ticker: PUMP CUSIP: 74347M108 Class: Common Stock

HARBOR CAPITAL ADVISORS, INC.'s Holding History (CIK: 0001039128)

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

Q4 2025

Shares 1,193 Value ($000) $0 Avg Close $8.69 Range $4.87 - $11.66

Q3 2025

Shares 1,213 Value ($000) $0 Avg Close $5.31 Range $4.51 - $6.71

Q2 2023

Shares 2,952 Value ($000) $24 Avg Close $7.34 Range $6.33 - $8.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,193	$0	$8.69	$4.87 - $11.66
Q3 2025	1,213	$0	$5.31	$4.51 - $6.71
Q2 2023	2,952	$24	$7.34	$6.33 - $8.33