Form 4 for PUMP ProPetro Holding Corp.

Accepted 2026-05-19 17:58:16 ET · period of report 2026-05-18 · accession 0001680247-26-000074 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2026-05-19 17:58	2026-05-18	PUMP	GOBE PHILLIP A	Dir	M - OptEx	—	+28.2K	235.9K	+14%	—
D	2026-05-19 17:58	2026-05-18	PUMP	GOBE PHILLIP A	Dir	M - OptEx	$0.00	-28.2K	0	-100%	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-05-18	M	A	28,181	—	235,865	D	—	—	(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.
2	Derivative	Restricted Stock Units	2026-05-18	M	D	28,181	$0.00	0	D	— · — to —	28,181 Common Stock	(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) On May 21 2025, the reporting person was granted 28,181 RSUs, vesting in full upon the earlier to occur of the day immediately preceding the Issuer's annual meeting of stockholders in 2026 and May 21, 2026. (F3) On May 21 2025, the reporting person was granted 28,181 RSUs, vesting in full upon the earlier to occur of the day immediately preceding the Issuer's annual meeting of stockholders in 2026 and May 21, 2026.