PROPETRO HLDG CORP

CUSIP: 74347m108 Class: COM

ELCO Management Co., LLC's Holding History (CIK: 0001690717)

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

Q3 2019
Shares 58,000 Value ($000) $527 Avg Close — Range —
Q2 2019
Shares 58,000 Value ($000) $1,201 Avg Close — Range —
Q1 2019
Shares 72,000 Value ($000) $1,623 Avg Close — Range —
Q4 2018
Shares 61,000 Value ($000) $752 Avg Close — Range —
Q3 2018
Shares 61,000 Value ($000) $1,006 Avg Close — Range —
Q2 2018
Shares 61,000 Value ($000) $956 Avg Close — Range —
Q1 2018
Shares 61,000 Value ($000) $969 Avg Close — Range —
Q4 2017
Shares 39,000 Value ($000) $786 Avg Close — Range —
Q3 2017
Shares 39,000 Value ($000) $560 Avg Close — Range —