David Scott Schorlemer - Oct 13, 2021 Form 4 Insider Report for ProPetro Holding Corp. (PUMP)

Role: Chief Financial Officer
Signature: /s/ Newton W. Wilson III, as attorney-in-fact for David Scott Schorlemer
Stock symbol: PUMP
Transactions as of: Oct 13, 2021
Transactions value $: -$22,576
Form type: 4
Date filed: 10/14/2021, 04:48 PM
Next filing: Feb 17, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PUMP	Common Stock	Options Exercise		+9.07K			9.07K	Oct 13, 2021	Direct	F1, F2
transaction	PUMP	Common Stock	Tax liability	-$22.6K	-2.21K	-24.36%	$10.22	6.86K	Oct 13, 2021	Direct	F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	PUMP	Restricted Stock Units	Options Exercise	$0	-9.07K	-13.31%	$0.00	59.1K	Oct 13, 2021	Common Stock	9.07K		Direct	F2, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects shares of common stock of the Issuer ("Common Stock") delivered upon vesting and settlement of previously awarded restricted stock units ("RSUs").
F2	Each RSU represents a contingent right to receive either one share of Common Stock or an amount of cash equal to the fair market value of one share of Common Stock.
F3	Reflects shares of Common Stock withheld to satisfy taxes payable in connection with the vesting and settlement of previously awarded RSUs
F4	On October 13, 2020, the reporting person was granted 27,210 RSUs, vesting in three substantially equal annual installments beginning on the first anniversary of the grant date.