PROPETRO HLDG CORP

Ticker: PUMP CUSIP: 74347M108 Class: Common Stock

Granahan Investment Management, LLC's Holding History (CIK: 0001026710)

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

Q4 2019
Shares 401,634 Value ($000) $4,518 Avg Close $8.94 Range $7.07 - $11.46
Q3 2019
Shares 433,119 Value ($000) $3,937 Avg Close $13.88 Range $8.68 - $21.83
Q2 2019
Shares 418,801 Value ($000) $8,669 Avg Close $21.24 Range $17.63 - $25.38
Q1 2019
Shares 477,883 Value ($000) $10,771 Avg Close $17.90 Range $11.78 - $23.32
Q4 2018
Shares 555,724 Value ($000) $6,847 Avg Close $16.47 Range $11.27 - $19.76
Q3 2018
Shares 550,711 Value ($000) $9,081 Avg Close $16.12 Range $14.32 - $17.89
Q2 2018
Shares 515,950 Value ($000) $8,090 Avg Close $17.21 Range $14.00 - $20.91
Q1 2018
Shares 291,481 Value ($000) $4,632 Avg Close $18.08 Range $14.56 - $22.88
Q4 2017
Shares 129,902 Value ($000) $2,619 Avg Close $16.95 Range $13.26 - $20.60